-- CreateTable
CREATE TABLE "users" (
    "id" TEXT NOT NULL,
    "email" TEXT NOT NULL,
    "name" TEXT NOT NULL,
    "avatar" TEXT,
    "created_at" TIMESTAMP(3) NOT NULL DEFAULT CURRENT_TIMESTAMP,
    "updated_at" TIMESTAMP(3) NOT NULL,

    CONSTRAINT "users_pkey" PRIMARY KEY ("id")
);

-- CreateTable
CREATE TABLE "products" (
    "id" TEXT NOT NULL,
    "name" TEXT NOT NULL,
    "description" TEXT NOT NULL DEFAULT '',
    "created_at" TIMESTAMP(3) NOT NULL DEFAULT CURRENT_TIMESTAMP,
    "updated_at" TIMESTAMP(3) NOT NULL,

    CONSTRAINT "products_pkey" PRIMARY KEY ("id")
);

-- CreateTable
CREATE TABLE "projects" (
    "id" TEXT NOT NULL,
    "product_id" TEXT NOT NULL,
    "name" TEXT NOT NULL,
    "description" TEXT NOT NULL DEFAULT '',
    "created_at" TIMESTAMP(3) NOT NULL DEFAULT CURRENT_TIMESTAMP,
    "updated_at" TIMESTAMP(3) NOT NULL,

    CONSTRAINT "projects_pkey" PRIMARY KEY ("id")
);

-- CreateTable
CREATE TABLE "sprints" (
    "id" TEXT NOT NULL,
    "project_id" TEXT NOT NULL,
    "name" TEXT NOT NULL,
    "start_date" TIMESTAMP(3) NOT NULL,
    "end_date" TIMESTAMP(3) NOT NULL,
    "created_at" TIMESTAMP(3) NOT NULL DEFAULT CURRENT_TIMESTAMP,
    "updated_at" TIMESTAMP(3) NOT NULL,

    CONSTRAINT "sprints_pkey" PRIMARY KEY ("id")
);

-- CreateTable
CREATE TABLE "versions" (
    "id" TEXT NOT NULL,
    "product_id" TEXT NOT NULL,
    "name" TEXT NOT NULL,
    "description" TEXT NOT NULL DEFAULT '',
    "release_date" TIMESTAMP(3),
    "created_at" TIMESTAMP(3) NOT NULL DEFAULT CURRENT_TIMESTAMP,
    "updated_at" TIMESTAMP(3) NOT NULL,

    CONSTRAINT "versions_pkey" PRIMARY KEY ("id")
);

-- CreateTable
CREATE TABLE "requirements" (
    "id" TEXT NOT NULL,
    "product_id" TEXT NOT NULL,
    "title" TEXT NOT NULL,
    "description" TEXT NOT NULL DEFAULT '',
    "status" TEXT NOT NULL DEFAULT 'draft',
    "priority" INTEGER NOT NULL DEFAULT 0,
    "creator_id" TEXT NOT NULL,
    "created_at" TIMESTAMP(3) NOT NULL DEFAULT CURRENT_TIMESTAMP,
    "updated_at" TIMESTAMP(3) NOT NULL,

    CONSTRAINT "requirements_pkey" PRIMARY KEY ("id")
);

-- CreateTable
CREATE TABLE "tasks" (
    "id" TEXT NOT NULL,
    "project_id" TEXT NOT NULL,
    "sprint_id" TEXT,
    "version_id" TEXT,
    "parent_id" TEXT,
    "title" TEXT NOT NULL,
    "description" TEXT NOT NULL DEFAULT '',
    "status" TEXT NOT NULL DEFAULT 'todo',
    "priority" INTEGER NOT NULL DEFAULT 0,
    "assignee_id" TEXT,
    "creator_id" TEXT NOT NULL,
    "start_date" TIMESTAMP(3),
    "due_date" TIMESTAMP(3),
    "created_at" TIMESTAMP(3) NOT NULL DEFAULT CURRENT_TIMESTAMP,
    "updated_at" TIMESTAMP(3) NOT NULL,

    CONSTRAINT "tasks_pkey" PRIMARY KEY ("id")
);

-- CreateTable
CREATE TABLE "task_watchers" (
    "id" TEXT NOT NULL,
    "task_id" TEXT NOT NULL,
    "user_id" TEXT NOT NULL,

    CONSTRAINT "task_watchers_pkey" PRIMARY KEY ("id")
);

-- CreateTable
CREATE TABLE "comments" (
    "id" TEXT NOT NULL,
    "task_id" TEXT NOT NULL,
    "author_id" TEXT NOT NULL,
    "content" TEXT NOT NULL,
    "created_at" TIMESTAMP(3) NOT NULL DEFAULT CURRENT_TIMESTAMP,

    CONSTRAINT "comments_pkey" PRIMARY KEY ("id")
);

-- CreateTable
CREATE TABLE "project_members" (
    "id" TEXT NOT NULL,
    "project_id" TEXT NOT NULL,
    "user_id" TEXT NOT NULL,
    "role" TEXT NOT NULL DEFAULT 'member',

    CONSTRAINT "project_members_pkey" PRIMARY KEY ("id")
);

-- CreateTable
CREATE TABLE "app_data" (
    "key" TEXT NOT NULL,
    "value" JSONB NOT NULL,
    "created_at" TIMESTAMP(3) NOT NULL DEFAULT CURRENT_TIMESTAMP,
    "updated_at" TIMESTAMP(3) NOT NULL,

    CONSTRAINT "app_data_pkey" PRIMARY KEY ("key")
);

-- CreateIndex
CREATE UNIQUE INDEX "users_email_key" ON "users"("email");

-- CreateIndex
CREATE UNIQUE INDEX "task_watchers_task_id_user_id_key" ON "task_watchers"("task_id", "user_id");

-- CreateIndex
CREATE UNIQUE INDEX "project_members_project_id_user_id_key" ON "project_members"("project_id", "user_id");

-- AddForeignKey
ALTER TABLE "projects" ADD CONSTRAINT "projects_product_id_fkey" FOREIGN KEY ("product_id") REFERENCES "products"("id") ON DELETE RESTRICT ON UPDATE CASCADE;

-- AddForeignKey
ALTER TABLE "sprints" ADD CONSTRAINT "sprints_project_id_fkey" FOREIGN KEY ("project_id") REFERENCES "projects"("id") ON DELETE RESTRICT ON UPDATE CASCADE;

-- AddForeignKey
ALTER TABLE "versions" ADD CONSTRAINT "versions_product_id_fkey" FOREIGN KEY ("product_id") REFERENCES "products"("id") ON DELETE RESTRICT ON UPDATE CASCADE;

-- AddForeignKey
ALTER TABLE "requirements" ADD CONSTRAINT "requirements_product_id_fkey" FOREIGN KEY ("product_id") REFERENCES "products"("id") ON DELETE RESTRICT ON UPDATE CASCADE;

-- AddForeignKey
ALTER TABLE "requirements" ADD CONSTRAINT "requirements_creator_id_fkey" FOREIGN KEY ("creator_id") REFERENCES "users"("id") ON DELETE RESTRICT ON UPDATE CASCADE;

-- AddForeignKey
ALTER TABLE "tasks" ADD CONSTRAINT "tasks_project_id_fkey" FOREIGN KEY ("project_id") REFERENCES "projects"("id") ON DELETE RESTRICT ON UPDATE CASCADE;

-- AddForeignKey
ALTER TABLE "tasks" ADD CONSTRAINT "tasks_sprint_id_fkey" FOREIGN KEY ("sprint_id") REFERENCES "sprints"("id") ON DELETE SET NULL ON UPDATE CASCADE;

-- AddForeignKey
ALTER TABLE "tasks" ADD CONSTRAINT "tasks_version_id_fkey" FOREIGN KEY ("version_id") REFERENCES "versions"("id") ON DELETE SET NULL ON UPDATE CASCADE;

-- AddForeignKey
ALTER TABLE "tasks" ADD CONSTRAINT "tasks_parent_id_fkey" FOREIGN KEY ("parent_id") REFERENCES "tasks"("id") ON DELETE SET NULL ON UPDATE CASCADE;

-- AddForeignKey
ALTER TABLE "tasks" ADD CONSTRAINT "tasks_assignee_id_fkey" FOREIGN KEY ("assignee_id") REFERENCES "users"("id") ON DELETE SET NULL ON UPDATE CASCADE;

-- AddForeignKey
ALTER TABLE "tasks" ADD CONSTRAINT "tasks_creator_id_fkey" FOREIGN KEY ("creator_id") REFERENCES "users"("id") ON DELETE RESTRICT ON UPDATE CASCADE;

-- AddForeignKey
ALTER TABLE "task_watchers" ADD CONSTRAINT "task_watchers_task_id_fkey" FOREIGN KEY ("task_id") REFERENCES "tasks"("id") ON DELETE RESTRICT ON UPDATE CASCADE;

-- AddForeignKey
ALTER TABLE "task_watchers" ADD CONSTRAINT "task_watchers_user_id_fkey" FOREIGN KEY ("user_id") REFERENCES "users"("id") ON DELETE RESTRICT ON UPDATE CASCADE;

-- AddForeignKey
ALTER TABLE "comments" ADD CONSTRAINT "comments_task_id_fkey" FOREIGN KEY ("task_id") REFERENCES "tasks"("id") ON DELETE RESTRICT ON UPDATE CASCADE;

-- AddForeignKey
ALTER TABLE "project_members" ADD CONSTRAINT "project_members_project_id_fkey" FOREIGN KEY ("project_id") REFERENCES "projects"("id") ON DELETE RESTRICT ON UPDATE CASCADE;

-- AddForeignKey
ALTER TABLE "project_members" ADD CONSTRAINT "project_members_user_id_fkey" FOREIGN KEY ("user_id") REFERENCES "users"("id") ON DELETE RESTRICT ON UPDATE CASCADE;