-- CreateTable
CREATE TABLE `Discussion` (
    `id` INTEGER NOT NULL AUTO_INCREMENT,
    `title` VARCHAR(255) NOT NULL,
    `content` TEXT NOT NULL,
    `userId` INTEGER NOT NULL,
    `courseId` INTEGER NOT NULL,
    `created_at` DATETIME(3) NOT NULL DEFAULT CURRENT_TIMESTAMP(3),
    `updated_at` DATETIME(3) NOT NULL,

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

-- CreateTable
CREATE TABLE `DiscussionComment` (
    `id` INTEGER NOT NULL AUTO_INCREMENT,
    `content` TEXT NOT NULL,
    `userId` INTEGER NOT NULL,
    `discussionId` INTEGER NOT NULL,
    `created_at` DATETIME(3) NOT NULL DEFAULT CURRENT_TIMESTAMP(3),
    `updated_at` DATETIME(3) NOT NULL,

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

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

-- AddForeignKey
ALTER TABLE `Discussion` ADD CONSTRAINT `Discussion_courseId_fkey` FOREIGN KEY (`courseId`) REFERENCES `Course`(`id`) ON DELETE RESTRICT ON UPDATE CASCADE;

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

-- AddForeignKey
ALTER TABLE `DiscussionComment` ADD CONSTRAINT `DiscussionComment_discussionId_fkey` FOREIGN KEY (`discussionId`) REFERENCES `Discussion`(`id`) ON DELETE RESTRICT ON UPDATE CASCADE;