-- P2 Task 2：OV 库初始迁移（副本/同步账本/互动流水共 9 表）。
-- 同 db-cn 固化手决流程：Prisma 生成的 MySQL DDL 固定写 utf8mb4_unicode_ci，
-- 会覆盖库级 utf8mb4_0900_bin；publicToken/entityType 等的大小写敏感语义
-- 依赖 bin 校对，故逐表改写为 utf8mb4_0900_bin（表级默认覆盖其全部
-- VARCHAR 列；后续 ov 迁移同样需要复核 CREATE TABLE 的 collation）。

-- CreateTable
CREATE TABLE `albums_ov` (
    `albumId` VARCHAR(191) NOT NULL,
    `publicToken` VARCHAR(32) NOT NULL,
    `status` VARCHAR(191) NOT NULL DEFAULT 'active',
    `publicEnabled` BOOLEAN NOT NULL DEFAULT true,
    `downloadEnabled` BOOLEAN NOT NULL DEFAULT true,
    `originalDownloadEnabled` BOOLEAN NOT NULL DEFAULT false,
    `emergencyDisabled` BOOLEAN NOT NULL DEFAULT false,
    `translations` JSON NOT NULL,
    `categories` JSON NOT NULL,
    `bannerAssetKey` VARCHAR(255) NULL,
    `defaultLocale` VARCHAR(16) NOT NULL,
    `timezone` VARCHAR(64) NOT NULL DEFAULT 'Asia/Shanghai',
    `startAt` DATETIME(6) NULL,
    `endAt` DATETIME(6) NULL,
    `entityVersion` INTEGER NOT NULL,
    `updatedAt` DATETIME(6) NOT NULL,

    UNIQUE INDEX `albums_ov_publicToken_key`(`publicToken`),
    PRIMARY KEY (`albumId`)
) DEFAULT CHARACTER SET utf8mb4 COLLATE utf8mb4_0900_bin;

-- CreateTable
CREATE TABLE `photos_ov` (
    `photoId` VARCHAR(191) NOT NULL,
    `albumId` VARCHAR(64) NOT NULL,
    `categoryId` VARCHAR(64) NULL,
    `width` INTEGER NULL,
    `height` INTEGER NULL,
    `originalObjectKey` VARCHAR(255) NOT NULL,
    `thumbObjectKey` VARCHAR(255) NOT NULL,
    `browseObjectKey` VARCHAR(255) NOT NULL,
    `likeTotal` INTEGER NOT NULL DEFAULT 0,
    `countVersion` INTEGER NOT NULL DEFAULT 0,
    `visibility` VARCHAR(191) NOT NULL,
    `entityVersion` INTEGER NOT NULL,
    `publishedAt` DATETIME(6) NULL,
    `updatedAt` DATETIME(6) NOT NULL,

    INDEX `photos_ov_albumId_visibility_publishedAt_idx`(`albumId`, `visibility`, `publishedAt`),
    PRIMARY KEY (`photoId`)
) DEFAULT CHARACTER SET utf8mb4 COLLATE utf8mb4_0900_bin;

-- CreateTable
CREATE TABLE `sync_inbox` (
    `eventId` VARCHAR(191) NOT NULL,
    `entityType` VARCHAR(32) NOT NULL,
    `entityId` VARCHAR(64) NOT NULL,
    `albumId` VARCHAR(64) NULL,
    `entityVersion` INTEGER NOT NULL,
    `tombstone` BOOLEAN NOT NULL DEFAULT false,
    `priority` VARCHAR(16) NOT NULL DEFAULT 'normal',
    `payload` JSON NOT NULL,
    `receivedAt` DATETIME(6) NOT NULL DEFAULT CURRENT_TIMESTAMP(6),
    `appliedAt` DATETIME(6) NULL,

    INDEX `sync_inbox_receivedAt_idx`(`receivedAt`),
    INDEX `sync_inbox_appliedAt_idx`(`appliedAt`),
    PRIMARY KEY (`eventId`)
) DEFAULT CHARACTER SET utf8mb4 COLLATE utf8mb4_0900_bin;

-- CreateTable
CREATE TABLE `sync_state` (
    `id` VARCHAR(191) NOT NULL,
    `entityType` VARCHAR(32) NOT NULL,
    `entityId` VARCHAR(64) NOT NULL,
    `appliedVersion` INTEGER NOT NULL,
    `appliedAt` DATETIME(6) NOT NULL DEFAULT CURRENT_TIMESTAMP(6),
    `watermark` BOOLEAN NOT NULL DEFAULT false,

    UNIQUE INDEX `sync_state_entityType_entityId_key`(`entityType`, `entityId`),
    PRIMARY KEY (`id`)
) DEFAULT CHARACTER SET utf8mb4 COLLATE utf8mb4_0900_bin;

-- CreateTable
CREATE TABLE `like_batches` (
    `id` VARCHAR(191) NOT NULL,
    `photoId` VARCHAR(64) NOT NULL,
    `sessionId` VARCHAR(64) NOT NULL,
    `batchId` VARCHAR(64) NOT NULL,
    `delta` INTEGER NOT NULL,
    `createdAt` DATETIME(6) NOT NULL DEFAULT CURRENT_TIMESTAMP(6),

    INDEX `like_batches_photoId_idx`(`photoId`),
    INDEX `like_batches_createdAt_idx`(`createdAt`),
    UNIQUE INDEX `like_batches_photoId_sessionId_batchId_key`(`photoId`, `sessionId`, `batchId`),
    PRIMARY KEY (`id`)
) DEFAULT CHARACTER SET utf8mb4 COLLATE utf8mb4_0900_bin;

-- CreateTable
CREATE TABLE `album_stats` (
    `albumId` VARCHAR(64) NOT NULL,
    `viewCount` INTEGER NOT NULL DEFAULT 0,
    `statVersion` INTEGER NOT NULL DEFAULT 0,
    `updatedAt` DATETIME(6) NOT NULL,

    PRIMARY KEY (`albumId`)
) DEFAULT CHARACTER SET utf8mb4 COLLATE utf8mb4_0900_bin;

-- CreateTable
CREATE TABLE `visit_sessions` (
    `id` VARCHAR(191) NOT NULL,
    `albumId` VARCHAR(64) NOT NULL,
    `visitorId` VARCHAR(64) NOT NULL,
    `lastCountedAt` DATETIME(6) NULL,

    UNIQUE INDEX `visit_sessions_albumId_visitorId_key`(`albumId`, `visitorId`),
    PRIMARY KEY (`id`)
) DEFAULT CHARACTER SET utf8mb4 COLLATE utf8mb4_0900_bin;

-- CreateTable
CREATE TABLE `visit_requests` (
    `requestId` VARCHAR(64) NOT NULL,
    `albumId` VARCHAR(64) NOT NULL,
    `visitorId` VARCHAR(64) NOT NULL,
    `counted` BOOLEAN NOT NULL DEFAULT false,
    `createdAt` DATETIME(6) NOT NULL DEFAULT CURRENT_TIMESTAMP(6),

    INDEX `visit_requests_createdAt_idx`(`createdAt`),
    PRIMARY KEY (`requestId`)
) DEFAULT CHARACTER SET utf8mb4 COLLATE utf8mb4_0900_bin;

-- CreateTable
CREATE TABLE `outbox_stat_events` (
    `id` VARCHAR(191) NOT NULL,
    `kind` VARCHAR(16) NOT NULL,
    `albumId` VARCHAR(64) NOT NULL,
    `photoId` VARCHAR(64) NULL,
    `total` INTEGER NOT NULL,
    `statVersion` INTEGER NOT NULL,
    `createdAt` DATETIME(6) NOT NULL DEFAULT CURRENT_TIMESTAMP(6),
    `sentAt` DATETIME(6) NULL,

    INDEX `outbox_stat_events_sentAt_idx`(`sentAt`),
    PRIMARY KEY (`id`)
) DEFAULT CHARACTER SET utf8mb4 COLLATE utf8mb4_0900_bin;