-- CreateTable
CREATE TABLE `users` (
    `id` VARCHAR(191) NOT NULL,
    `email` VARCHAR(191) NOT NULL,
    `name` VARCHAR(191) NOT NULL,
    `nameAr` VARCHAR(191) NULL,
    `passwordHash` VARCHAR(191) NOT NULL,
    `role` ENUM('SUPER_ADMIN', 'ADMIN', 'MANAGER', 'SALES_REP', 'SUPPORT_SUPERVISOR', 'SUPPORT_AGENT', 'MARKETING_MANAGER', 'VIEWER') NOT NULL DEFAULT 'SALES_REP',
    `avatar` VARCHAR(191) NULL,
    `phone` VARCHAR(191) NULL,
    `isActive` BOOLEAN NOT NULL DEFAULT true,
    `language` ENUM('ar', 'en') NOT NULL DEFAULT 'ar',
    `twoFactorEnabled` BOOLEAN NOT NULL DEFAULT false,
    `twoFactorSecret` VARCHAR(191) NULL,
    `failedLoginCount` INTEGER NOT NULL DEFAULT 0,
    `lockedUntil` DATETIME(3) NULL,
    `lastLoginAt` DATETIME(3) NULL,
    `lastLoginIp` VARCHAR(191) NULL,
    `doNotDisturb` BOOLEAN NOT NULL DEFAULT false,
    `dndStart` VARCHAR(191) NULL,
    `dndEnd` VARCHAR(191) NULL,
    `teamId` VARCHAR(191) NULL,
    `managerId` VARCHAR(191) NULL,
    `createdAt` DATETIME(3) NOT NULL DEFAULT CURRENT_TIMESTAMP(3),
    `updatedAt` DATETIME(3) NOT NULL,
    `deletedAt` DATETIME(3) NULL,

    UNIQUE INDEX `users_email_key`(`email`),
    INDEX `users_email_idx`(`email`),
    INDEX `users_teamId_idx`(`teamId`),
    INDEX `users_deletedAt_idx`(`deletedAt`),
    PRIMARY KEY (`id`)
) DEFAULT CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci;

-- CreateTable
CREATE TABLE `teams` (
    `id` VARCHAR(191) NOT NULL,
    `name` VARCHAR(191) NOT NULL,
    `nameAr` VARCHAR(191) NULL,
    `description` VARCHAR(191) NULL,
    `createdAt` DATETIME(3) NOT NULL DEFAULT CURRENT_TIMESTAMP(3),
    `updatedAt` DATETIME(3) NOT NULL,
    `deletedAt` DATETIME(3) NULL,

    PRIMARY KEY (`id`)
) DEFAULT CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci;

-- CreateTable
CREATE TABLE `accounts` (
    `id` VARCHAR(191) NOT NULL,
    `name` VARCHAR(191) NOT NULL,
    `nameAr` VARCHAR(191) NULL,
    `type` ENUM('CUSTOMER', 'PROSPECT', 'PARTNER', 'VENDOR', 'OTHER') NOT NULL DEFAULT 'CUSTOMER',
    `industry` VARCHAR(191) NULL,
    `website` VARCHAR(191) NULL,
    `phone` VARCHAR(191) NULL,
    `email` VARCHAR(191) NULL,
    `addressLine1` VARCHAR(191) NULL,
    `addressLine2` VARCHAR(191) NULL,
    `city` VARCHAR(191) NULL,
    `state` VARCHAR(191) NULL,
    `country` VARCHAR(191) NULL,
    `postalCode` VARCHAR(191) NULL,
    `annualRevenue` DECIMAL(15, 2) NULL,
    `employeesCount` INTEGER NULL,
    `currency` VARCHAR(191) NOT NULL DEFAULT 'USD',
    `source` ENUM('WEBSITE', 'REFERRAL', 'SOCIAL_MEDIA', 'EMAIL_CAMPAIGN', 'COLD_CALL', 'EVENT', 'PARTNER', 'ADVERTISEMENT', 'OTHER') NULL,
    `description` TEXT NULL,
    `tags` TEXT NULL,
    `parentAccountId` VARCHAR(191) NULL,
    `ownerId` VARCHAR(191) NULL,
    `createdAt` DATETIME(3) NOT NULL DEFAULT CURRENT_TIMESTAMP(3),
    `updatedAt` DATETIME(3) NOT NULL,
    `deletedAt` DATETIME(3) NULL,

    INDEX `accounts_ownerId_idx`(`ownerId`),
    INDEX `accounts_deletedAt_idx`(`deletedAt`),
    PRIMARY KEY (`id`)
) DEFAULT CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci;

-- CreateTable
CREATE TABLE `contacts` (
    `id` VARCHAR(191) NOT NULL,
    `firstName` VARCHAR(191) NOT NULL,
    `lastName` VARCHAR(191) NOT NULL,
    `fullNameAr` VARCHAR(191) NULL,
    `accountId` VARCHAR(191) NULL,
    `jobTitle` VARCHAR(191) NULL,
    `department` VARCHAR(191) NULL,
    `email` VARCHAR(191) NOT NULL,
    `phone` VARCHAR(191) NULL,
    `mobile` VARCHAR(191) NULL,
    `whatsapp` VARCHAR(191) NULL,
    `linkedinUrl` VARCHAR(191) NULL,
    `preferredLanguage` ENUM('ar', 'en') NOT NULL DEFAULT 'ar',
    `preferredChannel` VARCHAR(191) NULL,
    `isDecisionMaker` BOOLEAN NOT NULL DEFAULT false,
    `source` ENUM('WEBSITE', 'REFERRAL', 'SOCIAL_MEDIA', 'EMAIL_CAMPAIGN', 'COLD_CALL', 'EVENT', 'PARTNER', 'ADVERTISEMENT', 'OTHER') NULL,
    `tags` TEXT NULL,
    `avatarUrl` VARCHAR(191) NULL,
    `dateOfBirth` DATETIME(3) NULL,
    `doNotEmail` BOOLEAN NOT NULL DEFAULT false,
    `doNotCall` BOOLEAN NOT NULL DEFAULT false,
    `ownerId` VARCHAR(191) NULL,
    `createdAt` DATETIME(3) NOT NULL DEFAULT CURRENT_TIMESTAMP(3),
    `updatedAt` DATETIME(3) NOT NULL,
    `deletedAt` DATETIME(3) NULL,

    UNIQUE INDEX `contacts_email_key`(`email`),
    INDEX `contacts_email_idx`(`email`),
    INDEX `contacts_accountId_idx`(`accountId`),
    INDEX `contacts_ownerId_idx`(`ownerId`),
    INDEX `contacts_deletedAt_idx`(`deletedAt`),
    PRIMARY KEY (`id`)
) DEFAULT CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci;

-- CreateTable
CREATE TABLE `leads` (
    `id` VARCHAR(191) NOT NULL,
    `firstName` VARCHAR(191) NOT NULL,
    `lastName` VARCHAR(191) NOT NULL,
    `email` VARCHAR(191) NULL,
    `phone` VARCHAR(191) NULL,
    `company` VARCHAR(191) NULL,
    `jobTitle` VARCHAR(191) NULL,
    `status` ENUM('NEW', 'CONTACTED', 'QUALIFIED', 'UNQUALIFIED', 'CONVERTED', 'LOST') NOT NULL DEFAULT 'NEW',
    `source` ENUM('WEBSITE', 'REFERRAL', 'SOCIAL_MEDIA', 'EMAIL_CAMPAIGN', 'COLD_CALL', 'EVENT', 'PARTNER', 'ADVERTISEMENT', 'OTHER') NOT NULL DEFAULT 'OTHER',
    `score` INTEGER NOT NULL DEFAULT 0,
    `notes` TEXT NULL,
    `website` VARCHAR(191) NULL,
    `country` VARCHAR(191) NULL,
    `city` VARCHAR(191) NULL,
    `industry` VARCHAR(191) NULL,
    `budget` DECIMAL(15, 2) NULL,
    `currency` VARCHAR(191) NOT NULL DEFAULT 'USD',
    `isConverted` BOOLEAN NOT NULL DEFAULT false,
    `convertedAt` DATETIME(3) NULL,
    `assignedToId` VARCHAR(191) NULL,
    `createdById` VARCHAR(191) NULL,
    `campaignId` VARCHAR(191) NULL,
    `contactId` VARCHAR(191) NULL,
    `createdAt` DATETIME(3) NOT NULL DEFAULT CURRENT_TIMESTAMP(3),
    `updatedAt` DATETIME(3) NOT NULL,
    `deletedAt` DATETIME(3) NULL,

    UNIQUE INDEX `leads_contactId_key`(`contactId`),
    INDEX `leads_assignedToId_idx`(`assignedToId`),
    INDEX `leads_status_idx`(`status`),
    INDEX `leads_deletedAt_idx`(`deletedAt`),
    PRIMARY KEY (`id`)
) DEFAULT CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci;

-- CreateTable
CREATE TABLE `pipelines` (
    `id` VARCHAR(191) NOT NULL,
    `name` VARCHAR(191) NOT NULL,
    `nameAr` VARCHAR(191) NULL,
    `isDefault` BOOLEAN NOT NULL DEFAULT false,
    `createdAt` DATETIME(3) NOT NULL DEFAULT CURRENT_TIMESTAMP(3),
    `updatedAt` DATETIME(3) NOT NULL,

    PRIMARY KEY (`id`)
) DEFAULT CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci;

-- CreateTable
CREATE TABLE `pipeline_stages` (
    `id` VARCHAR(191) NOT NULL,
    `name` VARCHAR(191) NOT NULL,
    `nameAr` VARCHAR(191) NULL,
    `pipelineId` VARCHAR(191) NOT NULL,
    `order` INTEGER NOT NULL DEFAULT 0,
    `probability` INTEGER NOT NULL DEFAULT 0,
    `isWon` BOOLEAN NOT NULL DEFAULT false,
    `isLost` BOOLEAN NOT NULL DEFAULT false,
    `color` VARCHAR(191) NOT NULL DEFAULT '#94a3b8',
    `createdAt` DATETIME(3) NOT NULL DEFAULT CURRENT_TIMESTAMP(3),

    INDEX `pipeline_stages_pipelineId_idx`(`pipelineId`),
    PRIMARY KEY (`id`)
) DEFAULT CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci;

-- CreateTable
CREATE TABLE `opportunities` (
    `id` VARCHAR(191) NOT NULL,
    `title` VARCHAR(191) NOT NULL,
    `value` DECIMAL(15, 2) NOT NULL,
    `currency` VARCHAR(191) NOT NULL DEFAULT 'USD',
    `stage` ENUM('QUALIFICATION', 'DISCOVERY', 'PROPOSAL', 'NEGOTIATION', 'CONTRACT', 'CLOSED_WON', 'CLOSED_LOST') NOT NULL DEFAULT 'QUALIFICATION',
    `pipelineId` VARCHAR(191) NULL,
    `stageId` VARCHAR(191) NULL,
    `probability` INTEGER NOT NULL DEFAULT 10,
    `closeDate` DATETIME(3) NULL,
    `wonAt` DATETIME(3) NULL,
    `lostAt` DATETIME(3) NULL,
    `lostReason` VARCHAR(191) NULL,
    `notes` TEXT NULL,
    `isActive` BOOLEAN NOT NULL DEFAULT true,
    `accountId` VARCHAR(191) NULL,
    `contactId` VARCHAR(191) NULL,
    `assignedToId` VARCHAR(191) NULL,
    `createdAt` DATETIME(3) NOT NULL DEFAULT CURRENT_TIMESTAMP(3),
    `updatedAt` DATETIME(3) NOT NULL,
    `deletedAt` DATETIME(3) NULL,

    INDEX `opportunities_assignedToId_idx`(`assignedToId`),
    INDEX `opportunities_accountId_idx`(`accountId`),
    INDEX `opportunities_deletedAt_idx`(`deletedAt`),
    PRIMARY KEY (`id`)
) DEFAULT CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci;

-- CreateTable
CREATE TABLE `activities` (
    `id` VARCHAR(191) NOT NULL,
    `type` ENUM('CALL', 'EMAIL', 'MEETING', 'NOTE', 'DEMO', 'FOLLOW_UP', 'TASK') NOT NULL,
    `subject` VARCHAR(191) NOT NULL,
    `description` TEXT NULL,
    `outcome` VARCHAR(191) NULL,
    `duration` INTEGER NULL,
    `scheduledAt` DATETIME(3) NULL,
    `completedAt` DATETIME(3) NULL,
    `userId` VARCHAR(191) NOT NULL,
    `leadId` VARCHAR(191) NULL,
    `contactId` VARCHAR(191) NULL,
    `opportunityId` VARCHAR(191) NULL,
    `accountId` VARCHAR(191) NULL,
    `ticketId` VARCHAR(191) NULL,
    `createdAt` DATETIME(3) NOT NULL DEFAULT CURRENT_TIMESTAMP(3),
    `updatedAt` DATETIME(3) NOT NULL,

    INDEX `activities_userId_idx`(`userId`),
    INDEX `activities_leadId_idx`(`leadId`),
    INDEX `activities_contactId_idx`(`contactId`),
    INDEX `activities_opportunityId_idx`(`opportunityId`),
    PRIMARY KEY (`id`)
) DEFAULT CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci;

-- CreateTable
CREATE TABLE `tasks` (
    `id` VARCHAR(191) NOT NULL,
    `title` VARCHAR(191) NOT NULL,
    `description` TEXT NULL,
    `priority` ENUM('LOW', 'MEDIUM', 'HIGH', 'URGENT') NOT NULL DEFAULT 'MEDIUM',
    `status` ENUM('TODO', 'IN_PROGRESS', 'DONE', 'CANCELLED') NOT NULL DEFAULT 'TODO',
    `dueDate` DATETIME(3) NULL,
    `completedAt` DATETIME(3) NULL,
    `assignedToId` VARCHAR(191) NULL,
    `createdById` VARCHAR(191) NULL,
    `leadId` VARCHAR(191) NULL,
    `opportunityId` VARCHAR(191) NULL,
    `createdAt` DATETIME(3) NOT NULL DEFAULT CURRENT_TIMESTAMP(3),
    `updatedAt` DATETIME(3) NOT NULL,
    `deletedAt` DATETIME(3) NULL,

    INDEX `tasks_assignedToId_idx`(`assignedToId`),
    INDEX `tasks_status_idx`(`status`),
    INDEX `tasks_deletedAt_idx`(`deletedAt`),
    PRIMARY KEY (`id`)
) DEFAULT CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci;

-- CreateTable
CREATE TABLE `sla_policies` (
    `id` VARCHAR(191) NOT NULL,
    `name` VARCHAR(191) NOT NULL,
    `priority` ENUM('LOW', 'MEDIUM', 'HIGH', 'CRITICAL') NOT NULL,
    `firstResponseMinutes` INTEGER NOT NULL,
    `resolutionMinutes` INTEGER NOT NULL,
    `isActive` BOOLEAN NOT NULL DEFAULT true,
    `createdAt` DATETIME(3) NOT NULL DEFAULT CURRENT_TIMESTAMP(3),

    PRIMARY KEY (`id`)
) DEFAULT CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci;

-- CreateTable
CREATE TABLE `tickets` (
    `id` VARCHAR(191) NOT NULL,
    `ticketNumber` VARCHAR(191) NOT NULL,
    `subject` VARCHAR(191) NOT NULL,
    `description` TEXT NOT NULL,
    `status` ENUM('NEW', 'OPEN', 'IN_PROGRESS', 'WAITING_CUSTOMER', 'RESOLVED', 'CLOSED') NOT NULL DEFAULT 'NEW',
    `priority` ENUM('LOW', 'MEDIUM', 'HIGH', 'CRITICAL') NOT NULL DEFAULT 'MEDIUM',
    `type` ENUM('PROBLEM', 'INQUIRY', 'FEATURE_REQUEST', 'COMPLAINT') NOT NULL DEFAULT 'PROBLEM',
    `channel` ENUM('EMAIL', 'PHONE', 'WHATSAPP', 'PORTAL', 'CHAT', 'OTHER') NOT NULL DEFAULT 'EMAIL',
    `accountId` VARCHAR(191) NULL,
    `contactId` VARCHAR(191) NULL,
    `assignedToId` VARCHAR(191) NULL,
    `teamId` VARCHAR(191) NULL,
    `slaPolicyId` VARCHAR(191) NULL,
    `firstResponseDue` DATETIME(3) NULL,
    `firstResponseAt` DATETIME(3) NULL,
    `resolutionDue` DATETIME(3) NULL,
    `resolvedAt` DATETIME(3) NULL,
    `closedAt` DATETIME(3) NULL,
    `satisfactionRating` INTEGER NULL,
    `satisfactionComment` VARCHAR(191) NULL,
    `mergedIntoId` VARCHAR(191) NULL,
    `createdAt` DATETIME(3) NOT NULL DEFAULT CURRENT_TIMESTAMP(3),
    `updatedAt` DATETIME(3) NOT NULL,
    `deletedAt` DATETIME(3) NULL,

    UNIQUE INDEX `tickets_ticketNumber_key`(`ticketNumber`),
    INDEX `tickets_assignedToId_idx`(`assignedToId`),
    INDEX `tickets_status_idx`(`status`),
    INDEX `tickets_contactId_idx`(`contactId`),
    INDEX `tickets_deletedAt_idx`(`deletedAt`),
    PRIMARY KEY (`id`)
) DEFAULT CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci;

-- CreateTable
CREATE TABLE `ticket_comments` (
    `id` VARCHAR(191) NOT NULL,
    `body` TEXT NOT NULL,
    `isInternal` BOOLEAN NOT NULL DEFAULT false,
    `authorName` VARCHAR(191) NULL,
    `ticketId` VARCHAR(191) NOT NULL,
    `createdAt` DATETIME(3) NOT NULL DEFAULT CURRENT_TIMESTAMP(3),

    INDEX `ticket_comments_ticketId_idx`(`ticketId`),
    PRIMARY KEY (`id`)
) DEFAULT CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci;

-- CreateTable
CREATE TABLE `product_categories` (
    `id` VARCHAR(191) NOT NULL,
    `name` VARCHAR(191) NOT NULL,
    `nameAr` VARCHAR(191) NULL,
    `parentId` VARCHAR(191) NULL,

    PRIMARY KEY (`id`)
) DEFAULT CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci;

-- CreateTable
CREATE TABLE `products` (
    `id` VARCHAR(191) NOT NULL,
    `name` VARCHAR(191) NOT NULL,
    `nameAr` VARCHAR(191) NULL,
    `description` TEXT NULL,
    `sku` VARCHAR(191) NULL,
    `categoryId` VARCHAR(191) NULL,
    `price` DECIMAL(15, 2) NOT NULL,
    `currency` VARCHAR(191) NOT NULL DEFAULT 'USD',
    `taxRate` DECIMAL(5, 2) NOT NULL DEFAULT 0,
    `isActive` BOOLEAN NOT NULL DEFAULT true,
    `imageUrl` VARCHAR(191) NULL,
    `createdAt` DATETIME(3) NOT NULL DEFAULT CURRENT_TIMESTAMP(3),
    `updatedAt` DATETIME(3) NOT NULL,
    `deletedAt` DATETIME(3) NULL,

    UNIQUE INDEX `products_sku_key`(`sku`),
    INDEX `products_deletedAt_idx`(`deletedAt`),
    PRIMARY KEY (`id`)
) DEFAULT CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci;

-- CreateTable
CREATE TABLE `quotes` (
    `id` VARCHAR(191) NOT NULL,
    `quoteNumber` VARCHAR(191) NOT NULL,
    `opportunityId` VARCHAR(191) NULL,
    `accountId` VARCHAR(191) NULL,
    `contactId` VARCHAR(191) NULL,
    `ownerId` VARCHAR(191) NULL,
    `status` ENUM('DRAFT', 'SENT', 'ACCEPTED', 'REJECTED', 'EXPIRED') NOT NULL DEFAULT 'DRAFT',
    `validUntil` DATETIME(3) NULL,
    `subtotal` DECIMAL(15, 2) NOT NULL DEFAULT 0,
    `discountAmount` DECIMAL(15, 2) NOT NULL DEFAULT 0,
    `discountPercent` DECIMAL(5, 2) NOT NULL DEFAULT 0,
    `taxAmount` DECIMAL(15, 2) NOT NULL DEFAULT 0,
    `total` DECIMAL(15, 2) NOT NULL DEFAULT 0,
    `currency` VARCHAR(191) NOT NULL DEFAULT 'USD',
    `termsConditions` TEXT NULL,
    `notes` TEXT NULL,
    `pdfUrl` VARCHAR(191) NULL,
    `version` INTEGER NOT NULL DEFAULT 1,
    `rejectionReason` VARCHAR(191) NULL,
    `sentAt` DATETIME(3) NULL,
    `acceptedAt` DATETIME(3) NULL,
    `rejectedAt` DATETIME(3) NULL,
    `createdAt` DATETIME(3) NOT NULL DEFAULT CURRENT_TIMESTAMP(3),
    `updatedAt` DATETIME(3) NOT NULL,
    `deletedAt` DATETIME(3) NULL,

    UNIQUE INDEX `quotes_quoteNumber_key`(`quoteNumber`),
    INDEX `quotes_opportunityId_idx`(`opportunityId`),
    INDEX `quotes_deletedAt_idx`(`deletedAt`),
    PRIMARY KEY (`id`)
) DEFAULT CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci;

-- CreateTable
CREATE TABLE `invoices` (
    `id` VARCHAR(191) NOT NULL,
    `invoiceNumber` VARCHAR(191) NOT NULL,
    `quoteId` VARCHAR(191) NULL,
    `accountId` VARCHAR(191) NULL,
    `contactId` VARCHAR(191) NULL,
    `ownerId` VARCHAR(191) NULL,
    `status` ENUM('DRAFT', 'SENT', 'UNPAID', 'PARTIAL', 'PAID', 'OVERDUE', 'CANCELLED') NOT NULL DEFAULT 'DRAFT',
    `dueDate` DATETIME(3) NULL,
    `subtotal` DECIMAL(15, 2) NOT NULL DEFAULT 0,
    `discountAmount` DECIMAL(15, 2) NOT NULL DEFAULT 0,
    `taxAmount` DECIMAL(15, 2) NOT NULL DEFAULT 0,
    `total` DECIMAL(15, 2) NOT NULL DEFAULT 0,
    `amountPaid` DECIMAL(15, 2) NOT NULL DEFAULT 0,
    `currency` VARCHAR(191) NOT NULL DEFAULT 'USD',
    `notes` TEXT NULL,
    `pdfUrl` VARCHAR(191) NULL,
    `sentAt` DATETIME(3) NULL,
    `paidAt` DATETIME(3) NULL,
    `cancelledAt` DATETIME(3) NULL,
    `createdAt` DATETIME(3) NOT NULL DEFAULT CURRENT_TIMESTAMP(3),
    `updatedAt` DATETIME(3) NOT NULL,
    `deletedAt` DATETIME(3) NULL,

    UNIQUE INDEX `invoices_invoiceNumber_key`(`invoiceNumber`),
    UNIQUE INDEX `invoices_quoteId_key`(`quoteId`),
    INDEX `invoices_deletedAt_idx`(`deletedAt`),
    PRIMARY KEY (`id`)
) DEFAULT CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci;

-- CreateTable
CREATE TABLE `line_items` (
    `id` VARCHAR(191) NOT NULL,
    `productId` VARCHAR(191) NULL,
    `description` VARCHAR(191) NOT NULL,
    `quantity` DECIMAL(10, 2) NOT NULL DEFAULT 1,
    `unitPrice` DECIMAL(15, 2) NOT NULL,
    `discount` DECIMAL(5, 2) NOT NULL DEFAULT 0,
    `taxRate` DECIMAL(5, 2) NOT NULL DEFAULT 0,
    `total` DECIMAL(15, 2) NOT NULL,
    `order` INTEGER NOT NULL DEFAULT 0,
    `quoteId` VARCHAR(191) NULL,
    `invoiceId` VARCHAR(191) NULL,

    PRIMARY KEY (`id`)
) DEFAULT CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci;

-- CreateTable
CREATE TABLE `payments` (
    `id` VARCHAR(191) NOT NULL,
    `invoiceId` VARCHAR(191) NOT NULL,
    `amount` DECIMAL(15, 2) NOT NULL,
    `currency` VARCHAR(191) NOT NULL DEFAULT 'USD',
    `method` VARCHAR(191) NULL,
    `reference` VARCHAR(191) NULL,
    `notes` VARCHAR(191) NULL,
    `paidAt` DATETIME(3) NOT NULL DEFAULT CURRENT_TIMESTAMP(3),
    `createdAt` DATETIME(3) NOT NULL DEFAULT CURRENT_TIMESTAMP(3),

    INDEX `payments_invoiceId_idx`(`invoiceId`),
    PRIMARY KEY (`id`)
) DEFAULT CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci;

-- CreateTable
CREATE TABLE `subscriptions` (
    `id` VARCHAR(191) NOT NULL,
    `name` VARCHAR(191) NOT NULL,
    `description` TEXT NULL,
    `status` ENUM('TRIAL', 'ACTIVE', 'PAUSED', 'CANCELLED', 'EXPIRED') NOT NULL DEFAULT 'TRIAL',
    `startDate` DATETIME(3) NULL,
    `endDate` DATETIME(3) NULL,
    `nextBillingAt` DATETIME(3) NULL,
    `billingCycle` VARCHAR(191) NULL,
    `amount` DECIMAL(15, 2) NOT NULL DEFAULT 0,
    `currency` VARCHAR(191) NOT NULL DEFAULT 'USD',
    `accountId` VARCHAR(191) NULL,
    `contactId` VARCHAR(191) NULL,
    `ownerId` VARCHAR(191) NULL,
    `createdAt` DATETIME(3) NOT NULL DEFAULT CURRENT_TIMESTAMP(3),
    `updatedAt` DATETIME(3) NOT NULL,
    `deletedAt` DATETIME(3) NULL,

    INDEX `subscriptions_status_idx`(`status`),
    INDEX `subscriptions_accountId_idx`(`accountId`),
    INDEX `subscriptions_contactId_idx`(`contactId`),
    INDEX `subscriptions_ownerId_idx`(`ownerId`),
    INDEX `subscriptions_deletedAt_idx`(`deletedAt`),
    PRIMARY KEY (`id`)
) DEFAULT CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci;

-- CreateTable
CREATE TABLE `contracts` (
    `id` VARCHAR(191) NOT NULL,
    `contractNo` VARCHAR(191) NULL,
    `title` VARCHAR(191) NOT NULL,
    `description` TEXT NULL,
    `status` ENUM('DRAFT', 'IN_REVIEW', 'ACTIVE', 'EXPIRED', 'TERMINATED') NOT NULL DEFAULT 'DRAFT',
    `startDate` DATETIME(3) NULL,
    `endDate` DATETIME(3) NULL,
    `signedAt` DATETIME(3) NULL,
    `value` DECIMAL(15, 2) NOT NULL DEFAULT 0,
    `currency` VARCHAR(191) NOT NULL DEFAULT 'USD',
    `accountId` VARCHAR(191) NULL,
    `contactId` VARCHAR(191) NULL,
    `ownerId` VARCHAR(191) NULL,
    `createdAt` DATETIME(3) NOT NULL DEFAULT CURRENT_TIMESTAMP(3),
    `updatedAt` DATETIME(3) NOT NULL,
    `deletedAt` DATETIME(3) NULL,

    UNIQUE INDEX `contracts_contractNo_key`(`contractNo`),
    INDEX `contracts_status_idx`(`status`),
    INDEX `contracts_accountId_idx`(`accountId`),
    INDEX `contracts_contactId_idx`(`contactId`),
    INDEX `contracts_ownerId_idx`(`ownerId`),
    INDEX `contracts_deletedAt_idx`(`deletedAt`),
    PRIMARY KEY (`id`)
) DEFAULT CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci;

-- CreateTable
CREATE TABLE `campaigns` (
    `id` VARCHAR(191) NOT NULL,
    `name` VARCHAR(191) NOT NULL,
    `type` ENUM('EMAIL', 'SMS', 'EVENT', 'OTHER') NOT NULL DEFAULT 'EMAIL',
    `status` ENUM('DRAFT', 'SCHEDULED', 'RUNNING', 'PAUSED', 'COMPLETED', 'CANCELLED') NOT NULL DEFAULT 'DRAFT',
    `startDate` DATETIME(3) NULL,
    `endDate` DATETIME(3) NULL,
    `budget` DECIMAL(15, 2) NULL,
    `actualCost` DECIMAL(15, 2) NULL,
    `description` TEXT NULL,
    `createdAt` DATETIME(3) NOT NULL DEFAULT CURRENT_TIMESTAMP(3),
    `updatedAt` DATETIME(3) NOT NULL,
    `deletedAt` DATETIME(3) NULL,

    PRIMARY KEY (`id`)
) DEFAULT CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci;

-- CreateTable
CREATE TABLE `notes` (
    `id` VARCHAR(191) NOT NULL,
    `body` TEXT NOT NULL,
    `isInternal` BOOLEAN NOT NULL DEFAULT false,
    `leadId` VARCHAR(191) NULL,
    `contactId` VARCHAR(191) NULL,
    `accountId` VARCHAR(191) NULL,
    `opportunityId` VARCHAR(191) NULL,
    `ticketId` VARCHAR(191) NULL,
    `createdById` VARCHAR(191) NULL,
    `createdAt` DATETIME(3) NOT NULL DEFAULT CURRENT_TIMESTAMP(3),
    `updatedAt` DATETIME(3) NOT NULL,

    PRIMARY KEY (`id`)
) DEFAULT CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci;

-- CreateTable
CREATE TABLE `attachments` (
    `id` VARCHAR(191) NOT NULL,
    `filename` VARCHAR(191) NOT NULL,
    `fileUrl` VARCHAR(191) NOT NULL,
    `fileSize` INTEGER NULL,
    `mimeType` VARCHAR(191) NULL,
    `leadId` VARCHAR(191) NULL,
    `contactId` VARCHAR(191) NULL,
    `accountId` VARCHAR(191) NULL,
    `opportunityId` VARCHAR(191) NULL,
    `ticketId` VARCHAR(191) NULL,
    `uploadedById` VARCHAR(191) NULL,
    `createdAt` DATETIME(3) NOT NULL DEFAULT CURRENT_TIMESTAMP(3),

    PRIMARY KEY (`id`)
) DEFAULT CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci;

-- CreateTable
CREATE TABLE `audit_logs` (
    `id` VARCHAR(191) NOT NULL,
    `userId` VARCHAR(191) NULL,
    `action` ENUM('CREATE', 'UPDATE', 'DELETE', 'LOGIN', 'LOGOUT', 'EXPORT', 'IMPORT', 'PERMISSION_CHANGE', 'PASSWORD_CHANGE', 'RESTORE', 'CONVERT', 'MERGE') NOT NULL,
    `entity` VARCHAR(191) NOT NULL,
    `entityId` VARCHAR(191) NULL,
    `oldValues` TEXT NULL,
    `newValues` TEXT NULL,
    `ipAddress` VARCHAR(191) NULL,
    `userAgent` VARCHAR(191) NULL,
    `createdAt` DATETIME(3) NOT NULL DEFAULT CURRENT_TIMESTAMP(3),

    INDEX `audit_logs_userId_idx`(`userId`),
    INDEX `audit_logs_entity_entityId_idx`(`entity`, `entityId`),
    INDEX `audit_logs_createdAt_idx`(`createdAt`),
    PRIMARY KEY (`id`)
) DEFAULT CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci;

-- CreateTable
CREATE TABLE `notifications` (
    `id` VARCHAR(191) NOT NULL,
    `userId` VARCHAR(191) NOT NULL,
    `title` VARCHAR(191) NOT NULL,
    `body` VARCHAR(191) NOT NULL,
    `type` VARCHAR(191) NOT NULL,
    `channel` ENUM('IN_APP', 'EMAIL', 'SMS') NOT NULL DEFAULT 'IN_APP',
    `isRead` BOOLEAN NOT NULL DEFAULT false,
    `readAt` DATETIME(3) NULL,
    `link` VARCHAR(191) NULL,
    `createdAt` DATETIME(3) NOT NULL DEFAULT CURRENT_TIMESTAMP(3),

    INDEX `notifications_userId_isRead_idx`(`userId`, `isRead`),
    PRIMARY KEY (`id`)
) DEFAULT CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci;

-- CreateTable
CREATE TABLE `notification_preferences` (
    `id` VARCHAR(191) NOT NULL,
    `userId` VARCHAR(191) NOT NULL,
    `eventType` VARCHAR(191) NOT NULL,
    `channel` ENUM('IN_APP', 'EMAIL', 'SMS') NOT NULL,
    `isEnabled` BOOLEAN NOT NULL DEFAULT true,

    UNIQUE INDEX `notification_preferences_userId_eventType_channel_key`(`userId`, `eventType`, `channel`),
    PRIMARY KEY (`id`)
) DEFAULT CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci;

-- CreateTable
CREATE TABLE `workflows` (
    `id` VARCHAR(191) NOT NULL,
    `name` VARCHAR(191) NOT NULL,
    `description` VARCHAR(191) NULL,
    `isActive` BOOLEAN NOT NULL DEFAULT true,
    `triggerType` VARCHAR(191) NOT NULL,
    `triggerEntity` VARCHAR(191) NULL,
    `conditions` TEXT NULL,
    `actions` TEXT NULL,
    `createdAt` DATETIME(3) NOT NULL DEFAULT CURRENT_TIMESTAMP(3),
    `updatedAt` DATETIME(3) NOT NULL,

    PRIMARY KEY (`id`)
) DEFAULT CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci;

-- CreateTable
CREATE TABLE `custom_fields` (
    `id` VARCHAR(191) NOT NULL,
    `entity` VARCHAR(191) NOT NULL,
    `fieldName` VARCHAR(191) NOT NULL,
    `fieldLabel` VARCHAR(191) NOT NULL,
    `fieldLabelAr` VARCHAR(191) NULL,
    `fieldType` VARCHAR(191) NOT NULL,
    `isRequired` BOOLEAN NOT NULL DEFAULT false,
    `isActive` BOOLEAN NOT NULL DEFAULT true,
    `options` TEXT NULL,
    `order` INTEGER NOT NULL DEFAULT 0,
    `createdAt` DATETIME(3) NOT NULL DEFAULT CURRENT_TIMESTAMP(3),

    UNIQUE INDEX `custom_fields_entity_fieldName_key`(`entity`, `fieldName`),
    PRIMARY KEY (`id`)
) DEFAULT CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci;

-- CreateTable
CREATE TABLE `custom_field_values` (
    `id` VARCHAR(191) NOT NULL,
    `customFieldId` VARCHAR(191) NOT NULL,
    `entityId` VARCHAR(191) NOT NULL,
    `value` TEXT NULL,
    `createdAt` DATETIME(3) NOT NULL DEFAULT CURRENT_TIMESTAMP(3),
    `updatedAt` DATETIME(3) NOT NULL,

    UNIQUE INDEX `custom_field_values_customFieldId_entityId_key`(`customFieldId`, `entityId`),
    PRIMARY KEY (`id`)
) DEFAULT CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci;

-- CreateTable
CREATE TABLE `kb_categories` (
    `id` VARCHAR(191) NOT NULL,
    `name` VARCHAR(191) NOT NULL,
    `nameAr` VARCHAR(191) NULL,
    `parentId` VARCHAR(191) NULL,
    `order` INTEGER NOT NULL DEFAULT 0,
    `createdAt` DATETIME(3) NOT NULL DEFAULT CURRENT_TIMESTAMP(3),

    PRIMARY KEY (`id`)
) DEFAULT CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci;

-- CreateTable
CREATE TABLE `kb_articles` (
    `id` VARCHAR(191) NOT NULL,
    `title` VARCHAR(191) NOT NULL,
    `titleAr` VARCHAR(191) NULL,
    `body` LONGTEXT NOT NULL,
    `bodyAr` LONGTEXT NULL,
    `categoryId` VARCHAR(191) NULL,
    `status` VARCHAR(191) NOT NULL DEFAULT 'DRAFT',
    `helpfulYes` INTEGER NOT NULL DEFAULT 0,
    `helpfulNo` INTEGER NOT NULL DEFAULT 0,
    `createdById` VARCHAR(191) NULL,
    `createdAt` DATETIME(3) NOT NULL DEFAULT CURRENT_TIMESTAMP(3),
    `updatedAt` DATETIME(3) NOT NULL,

    INDEX `kb_articles_categoryId_idx`(`categoryId`),
    PRIMARY KEY (`id`)
) DEFAULT CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci;

-- CreateTable
CREATE TABLE `settings` (
    `id` VARCHAR(191) NOT NULL,
    `key` VARCHAR(191) NOT NULL,
    `value` TEXT NOT NULL,
    `createdAt` DATETIME(3) NOT NULL DEFAULT CURRENT_TIMESTAMP(3),
    `updatedAt` DATETIME(3) NOT NULL,

    UNIQUE INDEX `settings_key_key`(`key`),
    PRIMARY KEY (`id`)
) DEFAULT CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci;

-- AddForeignKey
ALTER TABLE `users` ADD CONSTRAINT `users_teamId_fkey` FOREIGN KEY (`teamId`) REFERENCES `teams`(`id`) ON DELETE SET NULL ON UPDATE CASCADE;

-- AddForeignKey
ALTER TABLE `users` ADD CONSTRAINT `users_managerId_fkey` FOREIGN KEY (`managerId`) REFERENCES `users`(`id`) ON DELETE SET NULL ON UPDATE CASCADE;

-- AddForeignKey
ALTER TABLE `accounts` ADD CONSTRAINT `accounts_parentAccountId_fkey` FOREIGN KEY (`parentAccountId`) REFERENCES `accounts`(`id`) ON DELETE SET NULL ON UPDATE CASCADE;

-- AddForeignKey
ALTER TABLE `accounts` ADD CONSTRAINT `accounts_ownerId_fkey` FOREIGN KEY (`ownerId`) REFERENCES `users`(`id`) ON DELETE SET NULL ON UPDATE CASCADE;

-- AddForeignKey
ALTER TABLE `contacts` ADD CONSTRAINT `contacts_accountId_fkey` FOREIGN KEY (`accountId`) REFERENCES `accounts`(`id`) ON DELETE SET NULL ON UPDATE CASCADE;

-- AddForeignKey
ALTER TABLE `contacts` ADD CONSTRAINT `contacts_ownerId_fkey` FOREIGN KEY (`ownerId`) REFERENCES `users`(`id`) ON DELETE SET NULL ON UPDATE CASCADE;

-- AddForeignKey
ALTER TABLE `leads` ADD CONSTRAINT `leads_assignedToId_fkey` FOREIGN KEY (`assignedToId`) REFERENCES `users`(`id`) ON DELETE SET NULL ON UPDATE CASCADE;

-- AddForeignKey
ALTER TABLE `leads` ADD CONSTRAINT `leads_createdById_fkey` FOREIGN KEY (`createdById`) REFERENCES `users`(`id`) ON DELETE SET NULL ON UPDATE CASCADE;

-- AddForeignKey
ALTER TABLE `leads` ADD CONSTRAINT `leads_campaignId_fkey` FOREIGN KEY (`campaignId`) REFERENCES `campaigns`(`id`) ON DELETE SET NULL ON UPDATE CASCADE;

-- AddForeignKey
ALTER TABLE `leads` ADD CONSTRAINT `leads_contactId_fkey` FOREIGN KEY (`contactId`) REFERENCES `contacts`(`id`) ON DELETE SET NULL ON UPDATE CASCADE;

-- AddForeignKey
ALTER TABLE `pipeline_stages` ADD CONSTRAINT `pipeline_stages_pipelineId_fkey` FOREIGN KEY (`pipelineId`) REFERENCES `pipelines`(`id`) ON DELETE RESTRICT ON UPDATE CASCADE;

-- AddForeignKey
ALTER TABLE `opportunities` ADD CONSTRAINT `opportunities_pipelineId_fkey` FOREIGN KEY (`pipelineId`) REFERENCES `pipelines`(`id`) ON DELETE SET NULL ON UPDATE CASCADE;

-- AddForeignKey
ALTER TABLE `opportunities` ADD CONSTRAINT `opportunities_stageId_fkey` FOREIGN KEY (`stageId`) REFERENCES `pipeline_stages`(`id`) ON DELETE SET NULL ON UPDATE CASCADE;

-- AddForeignKey
ALTER TABLE `opportunities` ADD CONSTRAINT `opportunities_accountId_fkey` FOREIGN KEY (`accountId`) REFERENCES `accounts`(`id`) ON DELETE SET NULL ON UPDATE CASCADE;

-- AddForeignKey
ALTER TABLE `opportunities` ADD CONSTRAINT `opportunities_contactId_fkey` FOREIGN KEY (`contactId`) REFERENCES `contacts`(`id`) ON DELETE SET NULL ON UPDATE CASCADE;

-- AddForeignKey
ALTER TABLE `opportunities` ADD CONSTRAINT `opportunities_assignedToId_fkey` FOREIGN KEY (`assignedToId`) REFERENCES `users`(`id`) ON DELETE SET NULL ON UPDATE CASCADE;

-- AddForeignKey
ALTER TABLE `activities` ADD CONSTRAINT `activities_userId_fkey` FOREIGN KEY (`userId`) REFERENCES `users`(`id`) ON DELETE RESTRICT ON UPDATE CASCADE;

-- AddForeignKey
ALTER TABLE `activities` ADD CONSTRAINT `activities_leadId_fkey` FOREIGN KEY (`leadId`) REFERENCES `leads`(`id`) ON DELETE SET NULL ON UPDATE CASCADE;

-- AddForeignKey
ALTER TABLE `activities` ADD CONSTRAINT `activities_contactId_fkey` FOREIGN KEY (`contactId`) REFERENCES `contacts`(`id`) ON DELETE SET NULL ON UPDATE CASCADE;

-- AddForeignKey
ALTER TABLE `activities` ADD CONSTRAINT `activities_opportunityId_fkey` FOREIGN KEY (`opportunityId`) REFERENCES `opportunities`(`id`) ON DELETE SET NULL ON UPDATE CASCADE;

-- AddForeignKey
ALTER TABLE `activities` ADD CONSTRAINT `activities_accountId_fkey` FOREIGN KEY (`accountId`) REFERENCES `accounts`(`id`) ON DELETE SET NULL ON UPDATE CASCADE;

-- AddForeignKey
ALTER TABLE `activities` ADD CONSTRAINT `activities_ticketId_fkey` FOREIGN KEY (`ticketId`) REFERENCES `tickets`(`id`) ON DELETE SET NULL ON UPDATE CASCADE;

-- AddForeignKey
ALTER TABLE `tasks` ADD CONSTRAINT `tasks_assignedToId_fkey` FOREIGN KEY (`assignedToId`) REFERENCES `users`(`id`) ON DELETE SET NULL ON UPDATE CASCADE;

-- AddForeignKey
ALTER TABLE `tasks` ADD CONSTRAINT `tasks_createdById_fkey` FOREIGN KEY (`createdById`) REFERENCES `users`(`id`) ON DELETE SET NULL ON UPDATE CASCADE;

-- AddForeignKey
ALTER TABLE `tasks` ADD CONSTRAINT `tasks_leadId_fkey` FOREIGN KEY (`leadId`) REFERENCES `leads`(`id`) ON DELETE SET NULL ON UPDATE CASCADE;

-- AddForeignKey
ALTER TABLE `tasks` ADD CONSTRAINT `tasks_opportunityId_fkey` FOREIGN KEY (`opportunityId`) REFERENCES `opportunities`(`id`) ON DELETE SET NULL ON UPDATE CASCADE;

-- AddForeignKey
ALTER TABLE `tickets` ADD CONSTRAINT `tickets_accountId_fkey` FOREIGN KEY (`accountId`) REFERENCES `accounts`(`id`) ON DELETE SET NULL ON UPDATE CASCADE;

-- AddForeignKey
ALTER TABLE `tickets` ADD CONSTRAINT `tickets_contactId_fkey` FOREIGN KEY (`contactId`) REFERENCES `contacts`(`id`) ON DELETE SET NULL ON UPDATE CASCADE;

-- AddForeignKey
ALTER TABLE `tickets` ADD CONSTRAINT `tickets_assignedToId_fkey` FOREIGN KEY (`assignedToId`) REFERENCES `users`(`id`) ON DELETE SET NULL ON UPDATE CASCADE;

-- AddForeignKey
ALTER TABLE `tickets` ADD CONSTRAINT `tickets_teamId_fkey` FOREIGN KEY (`teamId`) REFERENCES `teams`(`id`) ON DELETE SET NULL ON UPDATE CASCADE;

-- AddForeignKey
ALTER TABLE `tickets` ADD CONSTRAINT `tickets_slaPolicyId_fkey` FOREIGN KEY (`slaPolicyId`) REFERENCES `sla_policies`(`id`) ON DELETE SET NULL ON UPDATE CASCADE;

-- AddForeignKey
ALTER TABLE `tickets` ADD CONSTRAINT `tickets_mergedIntoId_fkey` FOREIGN KEY (`mergedIntoId`) REFERENCES `tickets`(`id`) ON DELETE SET NULL ON UPDATE CASCADE;

-- AddForeignKey
ALTER TABLE `ticket_comments` ADD CONSTRAINT `ticket_comments_ticketId_fkey` FOREIGN KEY (`ticketId`) REFERENCES `tickets`(`id`) ON DELETE CASCADE ON UPDATE CASCADE;

-- AddForeignKey
ALTER TABLE `product_categories` ADD CONSTRAINT `product_categories_parentId_fkey` FOREIGN KEY (`parentId`) REFERENCES `product_categories`(`id`) ON DELETE SET NULL ON UPDATE CASCADE;

-- AddForeignKey
ALTER TABLE `products` ADD CONSTRAINT `products_categoryId_fkey` FOREIGN KEY (`categoryId`) REFERENCES `product_categories`(`id`) ON DELETE SET NULL ON UPDATE CASCADE;

-- AddForeignKey
ALTER TABLE `quotes` ADD CONSTRAINT `quotes_opportunityId_fkey` FOREIGN KEY (`opportunityId`) REFERENCES `opportunities`(`id`) ON DELETE SET NULL ON UPDATE CASCADE;

-- AddForeignKey
ALTER TABLE `quotes` ADD CONSTRAINT `quotes_accountId_fkey` FOREIGN KEY (`accountId`) REFERENCES `accounts`(`id`) ON DELETE SET NULL ON UPDATE CASCADE;

-- AddForeignKey
ALTER TABLE `quotes` ADD CONSTRAINT `quotes_contactId_fkey` FOREIGN KEY (`contactId`) REFERENCES `contacts`(`id`) ON DELETE SET NULL ON UPDATE CASCADE;

-- AddForeignKey
ALTER TABLE `quotes` ADD CONSTRAINT `quotes_ownerId_fkey` FOREIGN KEY (`ownerId`) REFERENCES `users`(`id`) ON DELETE SET NULL ON UPDATE CASCADE;

-- AddForeignKey
ALTER TABLE `invoices` ADD CONSTRAINT `invoices_quoteId_fkey` FOREIGN KEY (`quoteId`) REFERENCES `quotes`(`id`) ON DELETE SET NULL ON UPDATE CASCADE;

-- AddForeignKey
ALTER TABLE `invoices` ADD CONSTRAINT `invoices_accountId_fkey` FOREIGN KEY (`accountId`) REFERENCES `accounts`(`id`) ON DELETE SET NULL ON UPDATE CASCADE;

-- AddForeignKey
ALTER TABLE `invoices` ADD CONSTRAINT `invoices_contactId_fkey` FOREIGN KEY (`contactId`) REFERENCES `contacts`(`id`) ON DELETE SET NULL ON UPDATE CASCADE;

-- AddForeignKey
ALTER TABLE `invoices` ADD CONSTRAINT `invoices_ownerId_fkey` FOREIGN KEY (`ownerId`) REFERENCES `users`(`id`) ON DELETE SET NULL ON UPDATE CASCADE;

-- AddForeignKey
ALTER TABLE `line_items` ADD CONSTRAINT `line_items_productId_fkey` FOREIGN KEY (`productId`) REFERENCES `products`(`id`) ON DELETE SET NULL ON UPDATE CASCADE;

-- AddForeignKey
ALTER TABLE `line_items` ADD CONSTRAINT `line_items_quoteId_fkey` FOREIGN KEY (`quoteId`) REFERENCES `quotes`(`id`) ON DELETE CASCADE ON UPDATE CASCADE;

-- AddForeignKey
ALTER TABLE `line_items` ADD CONSTRAINT `line_items_invoiceId_fkey` FOREIGN KEY (`invoiceId`) REFERENCES `invoices`(`id`) ON DELETE CASCADE ON UPDATE CASCADE;

-- AddForeignKey
ALTER TABLE `payments` ADD CONSTRAINT `payments_invoiceId_fkey` FOREIGN KEY (`invoiceId`) REFERENCES `invoices`(`id`) ON DELETE RESTRICT ON UPDATE CASCADE;

-- AddForeignKey
ALTER TABLE `subscriptions` ADD CONSTRAINT `subscriptions_accountId_fkey` FOREIGN KEY (`accountId`) REFERENCES `accounts`(`id`) ON DELETE SET NULL ON UPDATE CASCADE;

-- AddForeignKey
ALTER TABLE `subscriptions` ADD CONSTRAINT `subscriptions_contactId_fkey` FOREIGN KEY (`contactId`) REFERENCES `contacts`(`id`) ON DELETE SET NULL ON UPDATE CASCADE;

-- AddForeignKey
ALTER TABLE `subscriptions` ADD CONSTRAINT `subscriptions_ownerId_fkey` FOREIGN KEY (`ownerId`) REFERENCES `users`(`id`) ON DELETE SET NULL ON UPDATE CASCADE;

-- AddForeignKey
ALTER TABLE `contracts` ADD CONSTRAINT `contracts_accountId_fkey` FOREIGN KEY (`accountId`) REFERENCES `accounts`(`id`) ON DELETE SET NULL ON UPDATE CASCADE;

-- AddForeignKey
ALTER TABLE `contracts` ADD CONSTRAINT `contracts_contactId_fkey` FOREIGN KEY (`contactId`) REFERENCES `contacts`(`id`) ON DELETE SET NULL ON UPDATE CASCADE;

-- AddForeignKey
ALTER TABLE `contracts` ADD CONSTRAINT `contracts_ownerId_fkey` FOREIGN KEY (`ownerId`) REFERENCES `users`(`id`) ON DELETE SET NULL ON UPDATE CASCADE;

-- AddForeignKey
ALTER TABLE `notes` ADD CONSTRAINT `notes_leadId_fkey` FOREIGN KEY (`leadId`) REFERENCES `leads`(`id`) ON DELETE SET NULL ON UPDATE CASCADE;

-- AddForeignKey
ALTER TABLE `notes` ADD CONSTRAINT `notes_contactId_fkey` FOREIGN KEY (`contactId`) REFERENCES `contacts`(`id`) ON DELETE SET NULL ON UPDATE CASCADE;

-- AddForeignKey
ALTER TABLE `notes` ADD CONSTRAINT `notes_accountId_fkey` FOREIGN KEY (`accountId`) REFERENCES `accounts`(`id`) ON DELETE SET NULL ON UPDATE CASCADE;

-- AddForeignKey
ALTER TABLE `notes` ADD CONSTRAINT `notes_opportunityId_fkey` FOREIGN KEY (`opportunityId`) REFERENCES `opportunities`(`id`) ON DELETE SET NULL ON UPDATE CASCADE;

-- AddForeignKey
ALTER TABLE `notes` ADD CONSTRAINT `notes_ticketId_fkey` FOREIGN KEY (`ticketId`) REFERENCES `tickets`(`id`) ON DELETE SET NULL ON UPDATE CASCADE;

-- AddForeignKey
ALTER TABLE `attachments` ADD CONSTRAINT `attachments_leadId_fkey` FOREIGN KEY (`leadId`) REFERENCES `leads`(`id`) ON DELETE SET NULL ON UPDATE CASCADE;

-- AddForeignKey
ALTER TABLE `attachments` ADD CONSTRAINT `attachments_contactId_fkey` FOREIGN KEY (`contactId`) REFERENCES `contacts`(`id`) ON DELETE SET NULL ON UPDATE CASCADE;

-- AddForeignKey
ALTER TABLE `attachments` ADD CONSTRAINT `attachments_accountId_fkey` FOREIGN KEY (`accountId`) REFERENCES `accounts`(`id`) ON DELETE SET NULL ON UPDATE CASCADE;

-- AddForeignKey
ALTER TABLE `attachments` ADD CONSTRAINT `attachments_opportunityId_fkey` FOREIGN KEY (`opportunityId`) REFERENCES `opportunities`(`id`) ON DELETE SET NULL ON UPDATE CASCADE;

-- AddForeignKey
ALTER TABLE `attachments` ADD CONSTRAINT `attachments_ticketId_fkey` FOREIGN KEY (`ticketId`) REFERENCES `tickets`(`id`) ON DELETE SET NULL ON UPDATE CASCADE;

-- AddForeignKey
ALTER TABLE `audit_logs` ADD CONSTRAINT `audit_logs_userId_fkey` FOREIGN KEY (`userId`) REFERENCES `users`(`id`) ON DELETE SET NULL ON UPDATE CASCADE;

-- AddForeignKey
ALTER TABLE `notifications` ADD CONSTRAINT `notifications_userId_fkey` FOREIGN KEY (`userId`) REFERENCES `users`(`id`) ON DELETE RESTRICT ON UPDATE CASCADE;

-- AddForeignKey
ALTER TABLE `notification_preferences` ADD CONSTRAINT `notification_preferences_userId_fkey` FOREIGN KEY (`userId`) REFERENCES `users`(`id`) ON DELETE RESTRICT ON UPDATE CASCADE;

-- AddForeignKey
ALTER TABLE `custom_field_values` ADD CONSTRAINT `custom_field_values_customFieldId_fkey` FOREIGN KEY (`customFieldId`) REFERENCES `custom_fields`(`id`) ON DELETE RESTRICT ON UPDATE CASCADE;

-- AddForeignKey
ALTER TABLE `kb_categories` ADD CONSTRAINT `kb_categories_parentId_fkey` FOREIGN KEY (`parentId`) REFERENCES `kb_categories`(`id`) ON DELETE SET NULL ON UPDATE CASCADE;

-- AddForeignKey
ALTER TABLE `kb_articles` ADD CONSTRAINT `kb_articles_categoryId_fkey` FOREIGN KEY (`categoryId`) REFERENCES `kb_categories`(`id`) ON DELETE SET NULL ON UPDATE CASCADE;