-- CreateTable
CREATE TABLE `User` (
    `id` VARCHAR(191) NOT NULL,
    `email` VARCHAR(191) NOT NULL,
    `password_hash` VARCHAR(191) NOT NULL,
    `createdAt` DATETIME(3) NOT NULL DEFAULT CURRENT_TIMESTAMP(3),
    `updatedAt` DATETIME(3) NOT NULL,

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

-- CreateTable
CREATE TABLE `Category` (
    `id` VARCHAR(191) NOT NULL,
    `name` VARCHAR(191) NOT NULL,
    `colorHex` VARCHAR(191) NOT NULL,
    `createdAt` DATETIME(3) NOT NULL DEFAULT CURRENT_TIMESTAMP(3),

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

-- CreateTable
CREATE TABLE `Task` (
    `id` VARCHAR(191) NOT NULL,
    `title` VARCHAR(191) NOT NULL,
    `description` VARCHAR(191) NOT NULL DEFAULT '',
    `categoryId` VARCHAR(191) NULL,
    `dueDate` DATETIME(3) NULL,
    `createdAt` DATETIME(3) NOT NULL DEFAULT CURRENT_TIMESTAMP(3),
    `completedAt` DATETIME(3) NULL,
    `column` ENUM('IDEAS', 'TODO', 'THIS_WEEK', 'DONE') NOT NULL DEFAULT 'IDEAS',
    `sort_order` DECIMAL(10, 4) NOT NULL,
    `recurrence_day_of_month` INTEGER NULL,

    INDEX `Task_column_sort_order_idx`(`column`, `sort_order`),
    INDEX `Task_dueDate_idx`(`dueDate`),
    PRIMARY KEY (`id`)
) DEFAULT CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci;

-- CreateTable
CREATE TABLE `user_session` (
    `id` VARCHAR(255) NOT NULL,
    `user_id` VARCHAR(191) NOT NULL,
    `expires_at` DATETIME(3) NOT NULL,

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

-- AddForeignKey
ALTER TABLE `Task` ADD CONSTRAINT `Task_categoryId_fkey` FOREIGN KEY (`categoryId`) REFERENCES `Category`(`id`) ON DELETE SET NULL ON UPDATE CASCADE;

-- AddForeignKey
ALTER TABLE `user_session` ADD CONSTRAINT `user_session_user_id_fkey` FOREIGN KEY (`user_id`) REFERENCES `User`(`id`) ON DELETE CASCADE ON UPDATE CASCADE;