-- CreateTable
CREATE TABLE `User` (
    `id` VARCHAR(191) NOT NULL,
    `email` VARCHAR(255) NULL,
    `nickname` VARCHAR(100) NULL,
    `avatarUrl` VARCHAR(500) NULL,
    `role` VARCHAR(32) NOT NULL DEFAULT 'USER',
    `status` VARCHAR(32) NOT NULL DEFAULT 'active',
    `onboardingCompleted` BOOLEAN NOT NULL DEFAULT false,
    `lastLoginAt` DATETIME(3) NULL,
    `createdAt` DATETIME(3) NOT NULL DEFAULT CURRENT_TIMESTAMP(3),
    `updatedAt` DATETIME(3) NOT NULL,
    `deletedAt` DATETIME(3) NULL,

    INDEX `User_email_idx`(`email`),
    INDEX `User_status_idx`(`status`),
    PRIMARY KEY (`id`)
) DEFAULT CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci;

-- CreateTable
CREATE TABLE `AuthAccount` (
    `id` VARCHAR(191) NOT NULL,
    `userId` VARCHAR(191) NOT NULL,
    `provider` VARCHAR(32) NOT NULL,
    `providerUserId` VARCHAR(255) NOT NULL,
    `email` VARCHAR(255) NULL,
    `rawProfileJson` JSON NULL,
    `createdAt` DATETIME(3) NOT NULL DEFAULT CURRENT_TIMESTAMP(3),
    `updatedAt` DATETIME(3) NOT NULL,

    INDEX `AuthAccount_userId_idx`(`userId`),
    UNIQUE INDEX `AuthAccount_provider_providerUserId_key`(`provider`, `providerUserId`),
    PRIMARY KEY (`id`)
) DEFAULT CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci;

-- CreateTable
CREATE TABLE `RefreshToken` (
    `id` VARCHAR(191) NOT NULL,
    `userId` VARCHAR(191) NOT NULL,
    `tokenHash` VARCHAR(255) NOT NULL,
    `deviceId` VARCHAR(255) NULL,
    `deviceName` VARCHAR(255) NULL,
    `expiresAt` DATETIME(3) NOT NULL,
    `revokedAt` DATETIME(3) NULL,
    `createdAt` DATETIME(3) NOT NULL DEFAULT CURRENT_TIMESTAMP(3),
    `updatedAt` DATETIME(3) NOT NULL,

    INDEX `RefreshToken_userId_idx`(`userId`),
    INDEX `RefreshToken_tokenHash_idx`(`tokenHash`),
    PRIMARY KEY (`id`)
) DEFAULT CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci;

-- CreateTable
CREATE TABLE `UserProfile` (
    `id` VARCHAR(191) NOT NULL,
    `userId` VARCHAR(191) NOT NULL,
    `learningIdentity` VARCHAR(100) NULL,
    `learningDirection` VARCHAR(255) NULL,
    `bio` TEXT NULL,
    `currentGoal` VARCHAR(255) NULL,
    `createdAt` DATETIME(3) NOT NULL DEFAULT CURRENT_TIMESTAMP(3),
    `updatedAt` DATETIME(3) NOT NULL,

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

-- CreateTable
CREATE TABLE `UserPreference` (
    `id` VARCHAR(191) NOT NULL,
    `userId` VARCHAR(191) NOT NULL,
    `preferredMethods` JSON NULL,
    `defaultFocusMinutes` INTEGER NOT NULL DEFAULT 25,
    `aiSuggestionLevel` VARCHAR(32) NOT NULL DEFAULT 'normal',
    `language` VARCHAR(32) NOT NULL DEFAULT 'zh-CN',
    `appearance` VARCHAR(32) NOT NULL DEFAULT 'system',
    `notificationEnabled` BOOLEAN NOT NULL DEFAULT true,
    `createdAt` DATETIME(3) NOT NULL DEFAULT CURRENT_TIMESTAMP(3),
    `updatedAt` DATETIME(3) NOT NULL,

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

-- CreateTable
CREATE TABLE `UserConsent` (
    `id` VARCHAR(191) NOT NULL,
    `userId` VARCHAR(191) NOT NULL,
    `consentType` VARCHAR(32) NOT NULL,
    `version` VARCHAR(50) NOT NULL,
    `acceptedAt` DATETIME(3) NOT NULL,
    `ipAddress` VARCHAR(100) NULL,
    `userAgent` VARCHAR(500) NULL,
    `createdAt` DATETIME(3) NOT NULL DEFAULT CURRENT_TIMESTAMP(3),

    INDEX `UserConsent_userId_idx`(`userId`),
    INDEX `UserConsent_consentType_idx`(`consentType`),
    PRIMARY KEY (`id`)
) DEFAULT CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci;

-- CreateTable
CREATE TABLE `KnowledgeBase` (
    `id` VARCHAR(191) NOT NULL,
    `userId` VARCHAR(191) NOT NULL,
    `title` VARCHAR(255) NOT NULL,
    `description` TEXT NULL,
    `coverKey` VARCHAR(100) NULL,
    `status` VARCHAR(32) NOT NULL DEFAULT 'active',
    `itemCount` INTEGER NOT NULL DEFAULT 0,
    `lastStudiedAt` DATETIME(3) NULL,
    `createdAt` DATETIME(3) NOT NULL DEFAULT CURRENT_TIMESTAMP(3),
    `updatedAt` DATETIME(3) NOT NULL,
    `deletedAt` DATETIME(3) NULL,

    INDEX `KnowledgeBase_userId_idx`(`userId`),
    INDEX `KnowledgeBase_status_idx`(`status`),
    PRIMARY KEY (`id`)
) DEFAULT CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci;

-- CreateTable
CREATE TABLE `KnowledgeItem` (
    `id` VARCHAR(191) NOT NULL,
    `userId` VARCHAR(191) NOT NULL,
    `knowledgeBaseId` VARCHAR(191) NOT NULL,
    `parentId` VARCHAR(191) NULL,
    `itemType` VARCHAR(32) NOT NULL,
    `title` VARCHAR(255) NOT NULL,
    `content` LONGTEXT NULL,
    `summary` TEXT NULL,
    `sourceType` VARCHAR(32) NULL,
    `sourceRef` VARCHAR(500) NULL,
    `orderIndex` INTEGER NOT NULL DEFAULT 0,
    `status` VARCHAR(32) NOT NULL DEFAULT 'active',
    `createdAt` DATETIME(3) NOT NULL DEFAULT CURRENT_TIMESTAMP(3),
    `updatedAt` DATETIME(3) NOT NULL,
    `deletedAt` DATETIME(3) NULL,

    INDEX `KnowledgeItem_userId_idx`(`userId`),
    INDEX `KnowledgeItem_knowledgeBaseId_idx`(`knowledgeBaseId`),
    INDEX `KnowledgeItem_parentId_idx`(`parentId`),
    INDEX `KnowledgeItem_itemType_idx`(`itemType`),
    PRIMARY KEY (`id`)
) DEFAULT CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci;

-- CreateTable
CREATE TABLE `KnowledgeItemRelation` (
    `id` VARCHAR(191) NOT NULL,
    `userId` VARCHAR(191) NOT NULL,
    `sourceItemId` VARCHAR(191) NOT NULL,
    `targetItemId` VARCHAR(191) NOT NULL,
    `relationType` VARCHAR(32) NOT NULL,
    `confidence` DECIMAL(5, 2) NULL,
    `reason` TEXT NULL,
    `createdAt` DATETIME(3) NOT NULL DEFAULT CURRENT_TIMESTAMP(3),
    `updatedAt` DATETIME(3) NOT NULL,

    INDEX `KnowledgeItemRelation_sourceItemId_idx`(`sourceItemId`),
    INDEX `KnowledgeItemRelation_targetItemId_idx`(`targetItemId`),
    PRIMARY KEY (`id`)
) DEFAULT CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci;

-- CreateTable
CREATE TABLE `Tag` (
    `id` VARCHAR(191) NOT NULL,
    `userId` VARCHAR(191) NOT NULL,
    `name` VARCHAR(100) NOT NULL,
    `color` VARCHAR(32) NULL,
    `createdAt` DATETIME(3) NOT NULL DEFAULT CURRENT_TIMESTAMP(3),
    `updatedAt` DATETIME(3) NOT NULL,

    UNIQUE INDEX `Tag_userId_name_key`(`userId`, `name`),
    PRIMARY KEY (`id`)
) DEFAULT CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci;

-- CreateTable
CREATE TABLE `KnowledgeItemTag` (
    `id` VARCHAR(191) NOT NULL,
    `knowledgeItemId` VARCHAR(191) NOT NULL,
    `tagId` VARCHAR(191) NOT NULL,
    `createdAt` DATETIME(3) NOT NULL DEFAULT CURRENT_TIMESTAMP(3),

    UNIQUE INDEX `KnowledgeItemTag_knowledgeItemId_tagId_key`(`knowledgeItemId`, `tagId`),
    PRIMARY KEY (`id`)
) DEFAULT CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci;

-- CreateTable
CREATE TABLE `UploadedFile` (
    `id` VARCHAR(191) NOT NULL,
    `userId` VARCHAR(191) NOT NULL,
    `filename` VARCHAR(255) NOT NULL,
    `mimeType` VARCHAR(100) NULL,
    `storagePath` VARCHAR(500) NOT NULL,
    `sizeBytes` BIGINT NOT NULL DEFAULT 0,
    `checksum` VARCHAR(255) NULL,
    `createdAt` DATETIME(3) NOT NULL DEFAULT CURRENT_TIMESTAMP(3),

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

-- CreateTable
CREATE TABLE `DocumentImport` (
    `id` VARCHAR(191) NOT NULL,
    `userId` VARCHAR(191) NOT NULL,
    `knowledgeBaseId` VARCHAR(191) NULL,
    `fileId` VARCHAR(191) NULL,
    `sourceType` VARCHAR(32) NOT NULL,
    `sourceName` VARCHAR(255) NULL,
    `sourceUrl` VARCHAR(500) NULL,
    `rawText` LONGTEXT NULL,
    `status` VARCHAR(32) NOT NULL DEFAULT 'pending',
    `progress` INTEGER NOT NULL DEFAULT 0,
    `errorMessage` TEXT NULL,
    `resultJson` JSON NULL,
    `startedAt` DATETIME(3) NULL,
    `completedAt` DATETIME(3) NULL,
    `createdAt` DATETIME(3) NOT NULL DEFAULT CURRENT_TIMESTAMP(3),
    `updatedAt` DATETIME(3) NOT NULL,

    INDEX `DocumentImport_userId_idx`(`userId`),
    INDEX `DocumentImport_status_idx`(`status`),
    PRIMARY KEY (`id`)
) DEFAULT CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci;

-- CreateTable
CREATE TABLE `LearningSession` (
    `id` VARCHAR(191) NOT NULL,
    `userId` VARCHAR(191) NOT NULL,
    `knowledgeBaseId` VARCHAR(191) NULL,
    `knowledgeItemId` VARCHAR(191) NULL,
    `mode` VARCHAR(32) NOT NULL,
    `status` VARCHAR(32) NOT NULL DEFAULT 'active',
    `startedAt` DATETIME(3) NOT NULL,
    `endedAt` DATETIME(3) NULL,
    `durationSeconds` INTEGER NOT NULL DEFAULT 0,
    `focusMinutes` INTEGER NULL,
    `metadata` JSON NULL,
    `createdAt` DATETIME(3) NOT NULL DEFAULT CURRENT_TIMESTAMP(3),
    `updatedAt` DATETIME(3) NOT NULL,

    INDEX `LearningSession_userId_idx`(`userId`),
    INDEX `LearningSession_knowledgeItemId_idx`(`knowledgeItemId`),
    INDEX `LearningSession_startedAt_idx`(`startedAt`),
    PRIMARY KEY (`id`)
) DEFAULT CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci;

-- CreateTable
CREATE TABLE `LearningRecord` (
    `id` VARCHAR(191) NOT NULL,
    `userId` VARCHAR(191) NOT NULL,
    `sessionId` VARCHAR(191) NULL,
    `recordType` VARCHAR(32) NOT NULL,
    `title` VARCHAR(255) NOT NULL,
    `description` TEXT NULL,
    `durationSeconds` INTEGER NOT NULL DEFAULT 0,
    `occurredAt` DATETIME(3) NOT NULL,
    `metadata` JSON NULL,
    `createdAt` DATETIME(3) NOT NULL DEFAULT CURRENT_TIMESTAMP(3),

    INDEX `LearningRecord_userId_idx`(`userId`),
    INDEX `LearningRecord_occurredAt_idx`(`occurredAt`),
    PRIMARY KEY (`id`)
) DEFAULT CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci;

-- CreateTable
CREATE TABLE `ActiveRecallQuestion` (
    `id` VARCHAR(191) NOT NULL,
    `userId` VARCHAR(191) NOT NULL,
    `knowledgeItemId` VARCHAR(191) NULL,
    `questionText` TEXT NOT NULL,
    `difficulty` VARCHAR(32) NULL,
    `createdBy` VARCHAR(32) NOT NULL DEFAULT 'ai',
    `createdAt` DATETIME(3) NOT NULL DEFAULT CURRENT_TIMESTAMP(3),
    `updatedAt` DATETIME(3) NOT NULL,

    INDEX `ActiveRecallQuestion_userId_idx`(`userId`),
    INDEX `ActiveRecallQuestion_knowledgeItemId_idx`(`knowledgeItemId`),
    PRIMARY KEY (`id`)
) DEFAULT CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci;

-- CreateTable
CREATE TABLE `ActiveRecallAnswer` (
    `id` VARCHAR(191) NOT NULL,
    `userId` VARCHAR(191) NOT NULL,
    `questionId` VARCHAR(191) NULL,
    `sessionId` VARCHAR(191) NULL,
    `answerType` VARCHAR(32) NOT NULL DEFAULT 'text',
    `answerText` LONGTEXT NULL,
    `audioFileId` VARCHAR(191) NULL,
    `submittedAt` DATETIME(3) NOT NULL,
    `createdAt` DATETIME(3) NOT NULL DEFAULT CURRENT_TIMESTAMP(3),

    INDEX `ActiveRecallAnswer_userId_idx`(`userId`),
    INDEX `ActiveRecallAnswer_questionId_idx`(`questionId`),
    INDEX `ActiveRecallAnswer_sessionId_idx`(`sessionId`),
    PRIMARY KEY (`id`)
) DEFAULT CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci;

-- CreateTable
CREATE TABLE `AiAnalysisJob` (
    `id` VARCHAR(191) NOT NULL,
    `userId` VARCHAR(191) NOT NULL,
    `sessionId` VARCHAR(191) NULL,
    `answerId` VARCHAR(191) NULL,
    `jobType` VARCHAR(32) NOT NULL,
    `status` VARCHAR(32) NOT NULL DEFAULT 'pending',
    `progress` INTEGER NOT NULL DEFAULT 0,
    `errorMessage` TEXT NULL,
    `queuedAt` DATETIME(3) NULL,
    `startedAt` DATETIME(3) NULL,
    `completedAt` DATETIME(3) NULL,
    `createdAt` DATETIME(3) NOT NULL DEFAULT CURRENT_TIMESTAMP(3),
    `updatedAt` DATETIME(3) NOT NULL,

    INDEX `AiAnalysisJob_userId_idx`(`userId`),
    INDEX `AiAnalysisJob_status_idx`(`status`),
    INDEX `AiAnalysisJob_sessionId_idx`(`sessionId`),
    PRIMARY KEY (`id`)
) DEFAULT CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci;

-- CreateTable
CREATE TABLE `AiAnalysisResult` (
    `id` VARCHAR(191) NOT NULL,
    `userId` VARCHAR(191) NOT NULL,
    `jobId` VARCHAR(191) NOT NULL,
    `sessionId` VARCHAR(191) NULL,
    `answerId` VARCHAR(191) NULL,
    `summary` TEXT NULL,
    `masteryScore` INTEGER NULL,
    `strengths` JSON NULL,
    `weaknesses` JSON NULL,
    `suggestions` JSON NULL,
    `nextActions` JSON NULL,
    `rawResult` JSON NULL,
    `createdAt` DATETIME(3) NOT NULL DEFAULT CURRENT_TIMESTAMP(3),
    `updatedAt` DATETIME(3) NOT NULL,

    INDEX `AiAnalysisResult_userId_idx`(`userId`),
    INDEX `AiAnalysisResult_jobId_idx`(`jobId`),
    INDEX `AiAnalysisResult_sessionId_idx`(`sessionId`),
    PRIMARY KEY (`id`)
) DEFAULT CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci;

-- CreateTable
CREATE TABLE `FocusItem` (
    `id` VARCHAR(191) NOT NULL,
    `userId` VARCHAR(191) NOT NULL,
    `knowledgeBaseId` VARCHAR(191) NULL,
    `knowledgeItemId` VARCHAR(191) NULL,
    `analysisResultId` VARCHAR(191) NULL,
    `title` VARCHAR(255) NOT NULL,
    `reason` TEXT NULL,
    `suggestion` TEXT NULL,
    `priority` VARCHAR(32) NOT NULL DEFAULT 'normal',
    `status` VARCHAR(32) NOT NULL DEFAULT 'open',
    `masteryScore` INTEGER NULL,
    `dueAt` DATETIME(3) NULL,
    `completedAt` DATETIME(3) NULL,
    `createdAt` DATETIME(3) NOT NULL DEFAULT CURRENT_TIMESTAMP(3),
    `updatedAt` DATETIME(3) NOT NULL,
    `deletedAt` DATETIME(3) NULL,

    INDEX `FocusItem_userId_idx`(`userId`),
    INDEX `FocusItem_status_idx`(`status`),
    INDEX `FocusItem_dueAt_idx`(`dueAt`),
    PRIMARY KEY (`id`)
) DEFAULT CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci;

-- CreateTable
CREATE TABLE `ReviewCard` (
    `id` VARCHAR(191) NOT NULL,
    `userId` VARCHAR(191) NOT NULL,
    `knowledgeItemId` VARCHAR(191) NULL,
    `focusItemId` VARCHAR(191) NULL,
    `frontText` TEXT NOT NULL,
    `backText` TEXT NULL,
    `difficulty` VARCHAR(32) NULL,
    `status` VARCHAR(32) NOT NULL DEFAULT 'active',
    `nextReviewAt` DATETIME(3) NULL,
    `intervalDays` INTEGER NOT NULL DEFAULT 1,
    `easeFactor` DECIMAL(4, 2) NOT NULL DEFAULT 2.50,
    `repetitionCount` INTEGER NOT NULL DEFAULT 0,
    `lapseCount` INTEGER NOT NULL DEFAULT 0,
    `createdAt` DATETIME(3) NOT NULL DEFAULT CURRENT_TIMESTAMP(3),
    `updatedAt` DATETIME(3) NOT NULL,
    `deletedAt` DATETIME(3) NULL,

    INDEX `ReviewCard_userId_idx`(`userId`),
    INDEX `ReviewCard_nextReviewAt_idx`(`nextReviewAt`),
    INDEX `ReviewCard_focusItemId_idx`(`focusItemId`),
    PRIMARY KEY (`id`)
) DEFAULT CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci;

-- CreateTable
CREATE TABLE `ReviewLog` (
    `id` VARCHAR(191) NOT NULL,
    `userId` VARCHAR(191) NOT NULL,
    `reviewCardId` VARCHAR(191) NOT NULL,
    `sessionId` VARCHAR(191) NULL,
    `rating` VARCHAR(32) NOT NULL,
    `responseText` TEXT NULL,
    `reviewedAt` DATETIME(3) NOT NULL,
    `nextReviewAt` DATETIME(3) NULL,
    `createdAt` DATETIME(3) NOT NULL DEFAULT CURRENT_TIMESTAMP(3),

    INDEX `ReviewLog_userId_idx`(`userId`),
    INDEX `ReviewLog_reviewCardId_idx`(`reviewCardId`),
    INDEX `ReviewLog_reviewedAt_idx`(`reviewedAt`),
    PRIMARY KEY (`id`)
) DEFAULT CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci;

-- CreateTable
CREATE TABLE `ReviewPlan` (
    `id` VARCHAR(191) NOT NULL,
    `userId` VARCHAR(191) NOT NULL,
    `title` VARCHAR(255) NOT NULL,
    `status` VARCHAR(32) NOT NULL DEFAULT 'active',
    `scheduledAt` DATETIME(3) NULL,
    `completedAt` DATETIME(3) NULL,
    `cardCount` INTEGER NOT NULL DEFAULT 0,
    `createdAt` DATETIME(3) NOT NULL DEFAULT CURRENT_TIMESTAMP(3),
    `updatedAt` DATETIME(3) NOT NULL,

    INDEX `ReviewPlan_userId_idx`(`userId`),
    INDEX `ReviewPlan_scheduledAt_idx`(`scheduledAt`),
    PRIMARY KEY (`id`)
) DEFAULT CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci;

-- CreateTable
CREATE TABLE `DailyLearningActivity` (
    `id` VARCHAR(191) NOT NULL,
    `userId` VARCHAR(191) NOT NULL,
    `activityDate` DATE NOT NULL,
    `durationSeconds` INTEGER NOT NULL DEFAULT 0,
    `sessionsCount` INTEGER NOT NULL DEFAULT 0,
    `activeRecallCount` INTEGER NOT NULL DEFAULT 0,
    `reviewCount` INTEGER NOT NULL DEFAULT 0,
    `aiAnalysisCount` INTEGER NOT NULL DEFAULT 0,
    `completedLoopCount` INTEGER NOT NULL DEFAULT 0,
    `activityLevel` INTEGER NOT NULL DEFAULT 0,
    `createdAt` DATETIME(3) NOT NULL DEFAULT CURRENT_TIMESTAMP(3),
    `updatedAt` DATETIME(3) NOT NULL,

    INDEX `DailyLearningActivity_userId_idx`(`userId`),
    UNIQUE INDEX `DailyLearningActivity_userId_activityDate_key`(`userId`, `activityDate`),
    PRIMARY KEY (`id`)
) DEFAULT CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci;

-- CreateTable
CREATE TABLE `Notification` (
    `id` VARCHAR(191) NOT NULL,
    `userId` VARCHAR(191) NOT NULL,
    `type` VARCHAR(32) NOT NULL,
    `title` VARCHAR(255) NOT NULL,
    `content` TEXT NULL,
    `data` JSON NULL,
    `readAt` DATETIME(3) NULL,
    `createdAt` DATETIME(3) NOT NULL DEFAULT CURRENT_TIMESTAMP(3),

    INDEX `Notification_userId_idx`(`userId`),
    INDEX `Notification_readAt_idx`(`readAt`),
    INDEX `Notification_type_idx`(`type`),
    PRIMARY KEY (`id`)
) DEFAULT CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci;

-- CreateTable
CREATE TABLE `Feedback` (
    `id` VARCHAR(191) NOT NULL,
    `userId` VARCHAR(191) NULL,
    `email` VARCHAR(255) NULL,
    `category` VARCHAR(64) NOT NULL,
    `content` TEXT NOT NULL,
    `deviceInfo` JSON NULL,
    `status` VARCHAR(32) NOT NULL DEFAULT 'open',
    `createdAt` DATETIME(3) NOT NULL DEFAULT CURRENT_TIMESTAMP(3),
    `updatedAt` DATETIME(3) NOT NULL,

    INDEX `Feedback_userId_idx`(`userId`),
    INDEX `Feedback_status_idx`(`status`),
    PRIMARY KEY (`id`)
) DEFAULT CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci;

-- CreateTable
CREATE TABLE `AppChangelog` (
    `id` VARCHAR(191) NOT NULL,
    `version` VARCHAR(50) NOT NULL,
    `title` VARCHAR(255) NOT NULL,
    `content` TEXT NOT NULL,
    `platform` VARCHAR(32) NOT NULL DEFAULT 'ios',
    `publishedAt` DATETIME(3) 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;

-- AddForeignKey
ALTER TABLE `AuthAccount` ADD CONSTRAINT `AuthAccount_userId_fkey` FOREIGN KEY (`userId`) REFERENCES `User`(`id`) ON DELETE RESTRICT ON UPDATE CASCADE;

-- AddForeignKey
ALTER TABLE `RefreshToken` ADD CONSTRAINT `RefreshToken_userId_fkey` FOREIGN KEY (`userId`) REFERENCES `User`(`id`) ON DELETE RESTRICT ON UPDATE CASCADE;

-- AddForeignKey
ALTER TABLE `UserProfile` ADD CONSTRAINT `UserProfile_userId_fkey` FOREIGN KEY (`userId`) REFERENCES `User`(`id`) ON DELETE RESTRICT ON UPDATE CASCADE;

-- AddForeignKey
ALTER TABLE `UserPreference` ADD CONSTRAINT `UserPreference_userId_fkey` FOREIGN KEY (`userId`) REFERENCES `User`(`id`) ON DELETE RESTRICT ON UPDATE CASCADE;

-- AddForeignKey
ALTER TABLE `UserConsent` ADD CONSTRAINT `UserConsent_userId_fkey` FOREIGN KEY (`userId`) REFERENCES `User`(`id`) ON DELETE RESTRICT ON UPDATE CASCADE;

-- AddForeignKey
ALTER TABLE `KnowledgeBase` ADD CONSTRAINT `KnowledgeBase_userId_fkey` FOREIGN KEY (`userId`) REFERENCES `User`(`id`) ON DELETE RESTRICT ON UPDATE CASCADE;

-- AddForeignKey
ALTER TABLE `KnowledgeItem` ADD CONSTRAINT `KnowledgeItem_userId_fkey` FOREIGN KEY (`userId`) REFERENCES `User`(`id`) ON DELETE RESTRICT ON UPDATE CASCADE;

-- AddForeignKey
ALTER TABLE `KnowledgeItem` ADD CONSTRAINT `KnowledgeItem_knowledgeBaseId_fkey` FOREIGN KEY (`knowledgeBaseId`) REFERENCES `KnowledgeBase`(`id`) ON DELETE RESTRICT ON UPDATE CASCADE;

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

-- AddForeignKey
ALTER TABLE `KnowledgeItemRelation` ADD CONSTRAINT `KnowledgeItemRelation_userId_fkey` FOREIGN KEY (`userId`) REFERENCES `User`(`id`) ON DELETE RESTRICT ON UPDATE CASCADE;

-- AddForeignKey
ALTER TABLE `Tag` ADD CONSTRAINT `Tag_userId_fkey` FOREIGN KEY (`userId`) REFERENCES `User`(`id`) ON DELETE RESTRICT ON UPDATE CASCADE;

-- AddForeignKey
ALTER TABLE `KnowledgeItemTag` ADD CONSTRAINT `KnowledgeItemTag_knowledgeItemId_fkey` FOREIGN KEY (`knowledgeItemId`) REFERENCES `KnowledgeItem`(`id`) ON DELETE RESTRICT ON UPDATE CASCADE;

-- AddForeignKey
ALTER TABLE `KnowledgeItemTag` ADD CONSTRAINT `KnowledgeItemTag_tagId_fkey` FOREIGN KEY (`tagId`) REFERENCES `Tag`(`id`) ON DELETE RESTRICT ON UPDATE CASCADE;

-- AddForeignKey
ALTER TABLE `UploadedFile` ADD CONSTRAINT `UploadedFile_userId_fkey` FOREIGN KEY (`userId`) REFERENCES `User`(`id`) ON DELETE RESTRICT ON UPDATE CASCADE;

-- AddForeignKey
ALTER TABLE `DocumentImport` ADD CONSTRAINT `DocumentImport_userId_fkey` FOREIGN KEY (`userId`) REFERENCES `User`(`id`) ON DELETE RESTRICT ON UPDATE CASCADE;

-- AddForeignKey
ALTER TABLE `LearningSession` ADD CONSTRAINT `LearningSession_userId_fkey` FOREIGN KEY (`userId`) REFERENCES `User`(`id`) ON DELETE RESTRICT ON UPDATE CASCADE;

-- AddForeignKey
ALTER TABLE `LearningRecord` ADD CONSTRAINT `LearningRecord_userId_fkey` FOREIGN KEY (`userId`) REFERENCES `User`(`id`) ON DELETE RESTRICT ON UPDATE CASCADE;

-- AddForeignKey
ALTER TABLE `ActiveRecallQuestion` ADD CONSTRAINT `ActiveRecallQuestion_userId_fkey` FOREIGN KEY (`userId`) REFERENCES `User`(`id`) ON DELETE RESTRICT ON UPDATE CASCADE;

-- AddForeignKey
ALTER TABLE `ActiveRecallAnswer` ADD CONSTRAINT `ActiveRecallAnswer_userId_fkey` FOREIGN KEY (`userId`) REFERENCES `User`(`id`) ON DELETE RESTRICT ON UPDATE CASCADE;

-- AddForeignKey
ALTER TABLE `ActiveRecallAnswer` ADD CONSTRAINT `ActiveRecallAnswer_questionId_fkey` FOREIGN KEY (`questionId`) REFERENCES `ActiveRecallQuestion`(`id`) ON DELETE SET NULL ON UPDATE CASCADE;

-- AddForeignKey
ALTER TABLE `AiAnalysisJob` ADD CONSTRAINT `AiAnalysisJob_userId_fkey` FOREIGN KEY (`userId`) REFERENCES `User`(`id`) ON DELETE RESTRICT ON UPDATE CASCADE;

-- AddForeignKey
ALTER TABLE `AiAnalysisResult` ADD CONSTRAINT `AiAnalysisResult_userId_fkey` FOREIGN KEY (`userId`) REFERENCES `User`(`id`) ON DELETE RESTRICT ON UPDATE CASCADE;

-- AddForeignKey
ALTER TABLE `AiAnalysisResult` ADD CONSTRAINT `AiAnalysisResult_jobId_fkey` FOREIGN KEY (`jobId`) REFERENCES `AiAnalysisJob`(`id`) ON DELETE RESTRICT ON UPDATE CASCADE;

-- AddForeignKey
ALTER TABLE `FocusItem` ADD CONSTRAINT `FocusItem_userId_fkey` FOREIGN KEY (`userId`) REFERENCES `User`(`id`) ON DELETE RESTRICT ON UPDATE CASCADE;

-- AddForeignKey
ALTER TABLE `FocusItem` ADD CONSTRAINT `FocusItem_knowledgeBaseId_fkey` FOREIGN KEY (`knowledgeBaseId`) REFERENCES `KnowledgeBase`(`id`) ON DELETE SET NULL ON UPDATE CASCADE;

-- AddForeignKey
ALTER TABLE `ReviewCard` ADD CONSTRAINT `ReviewCard_userId_fkey` FOREIGN KEY (`userId`) REFERENCES `User`(`id`) ON DELETE RESTRICT ON UPDATE CASCADE;

-- AddForeignKey
ALTER TABLE `ReviewLog` ADD CONSTRAINT `ReviewLog_userId_fkey` FOREIGN KEY (`userId`) REFERENCES `User`(`id`) ON DELETE RESTRICT ON UPDATE CASCADE;

-- AddForeignKey
ALTER TABLE `ReviewLog` ADD CONSTRAINT `ReviewLog_reviewCardId_fkey` FOREIGN KEY (`reviewCardId`) REFERENCES `ReviewCard`(`id`) ON DELETE RESTRICT ON UPDATE CASCADE;

-- AddForeignKey
ALTER TABLE `ReviewPlan` ADD CONSTRAINT `ReviewPlan_userId_fkey` FOREIGN KEY (`userId`) REFERENCES `User`(`id`) ON DELETE RESTRICT ON UPDATE CASCADE;

-- AddForeignKey
ALTER TABLE `DailyLearningActivity` ADD CONSTRAINT `DailyLearningActivity_userId_fkey` FOREIGN KEY (`userId`) REFERENCES `User`(`id`) ON DELETE RESTRICT ON UPDATE CASCADE;

-- AddForeignKey
ALTER TABLE `Notification` ADD CONSTRAINT `Notification_userId_fkey` FOREIGN KEY (`userId`) REFERENCES `User`(`id`) ON DELETE RESTRICT ON UPDATE CASCADE;

-- AddForeignKey
ALTER TABLE `Feedback` ADD CONSTRAINT `Feedback_userId_fkey` FOREIGN KEY (`userId`) REFERENCES `User`(`id`) ON DELETE SET NULL ON UPDATE CASCADE;