-- CreateTable
CREATE TABLE "users" (
    "id" TEXT NOT NULL PRIMARY KEY,
    "username" TEXT NOT NULL,
    "password_hash" TEXT NOT NULL,
    "is_demo" BOOLEAN NOT NULL DEFAULT false,
    "created_at" DATETIME NOT NULL DEFAULT CURRENT_TIMESTAMP,
    "updated_at" DATETIME NOT NULL
);

-- CreateTable
CREATE TABLE "user_roles" (
    "id" TEXT NOT NULL PRIMARY KEY,
    "user_id" TEXT NOT NULL,
    "role" TEXT NOT NULL,
    CONSTRAINT "user_roles_user_id_fkey" FOREIGN KEY ("user_id") REFERENCES "users" ("id") ON DELETE CASCADE ON UPDATE CASCADE
);

-- CreateTable
CREATE TABLE "api_tokens" (
    "id" TEXT NOT NULL PRIMARY KEY,
    "user_id" TEXT NOT NULL,
    "token_hash" TEXT NOT NULL,
    "label" TEXT,
    "created_at" DATETIME NOT NULL DEFAULT CURRENT_TIMESTAMP,
    "revoked_at" DATETIME,
    CONSTRAINT "api_tokens_user_id_fkey" FOREIGN KEY ("user_id") REFERENCES "users" ("id") ON DELETE CASCADE ON UPDATE CASCADE
);

-- CreateTable
CREATE TABLE "products" (
    "id" TEXT NOT NULL PRIMARY KEY,
    "user_id" TEXT NOT NULL,
    "name" TEXT NOT NULL,
    "description" TEXT,
    "repo_url" TEXT,
    "definition_of_done" TEXT NOT NULL,
    "archived" BOOLEAN NOT NULL DEFAULT false,
    "created_at" DATETIME NOT NULL DEFAULT CURRENT_TIMESTAMP,
    "updated_at" DATETIME NOT NULL,
    CONSTRAINT "products_user_id_fkey" FOREIGN KEY ("user_id") REFERENCES "users" ("id") ON DELETE CASCADE ON UPDATE CASCADE
);

-- CreateTable
CREATE TABLE "pbis" (
    "id" TEXT NOT NULL PRIMARY KEY,
    "product_id" TEXT NOT NULL,
    "title" TEXT NOT NULL,
    "description" TEXT,
    "priority" INTEGER NOT NULL,
    "sort_order" REAL NOT NULL,
    "created_at" DATETIME NOT NULL DEFAULT CURRENT_TIMESTAMP,
    "updated_at" DATETIME NOT NULL,
    CONSTRAINT "pbis_product_id_fkey" FOREIGN KEY ("product_id") REFERENCES "products" ("id") ON DELETE CASCADE ON UPDATE CASCADE
);

-- CreateTable
CREATE TABLE "stories" (
    "id" TEXT NOT NULL PRIMARY KEY,
    "pbi_id" TEXT NOT NULL,
    "product_id" TEXT NOT NULL,
    "sprint_id" TEXT,
    "title" TEXT NOT NULL,
    "description" TEXT,
    "acceptance_criteria" TEXT,
    "priority" INTEGER NOT NULL,
    "sort_order" REAL NOT NULL,
    "status" TEXT NOT NULL DEFAULT 'OPEN',
    "created_at" DATETIME NOT NULL DEFAULT CURRENT_TIMESTAMP,
    "updated_at" DATETIME NOT NULL,
    CONSTRAINT "stories_pbi_id_fkey" FOREIGN KEY ("pbi_id") REFERENCES "pbis" ("id") ON DELETE CASCADE ON UPDATE CASCADE,
    CONSTRAINT "stories_product_id_fkey" FOREIGN KEY ("product_id") REFERENCES "products" ("id") ON DELETE RESTRICT ON UPDATE CASCADE,
    CONSTRAINT "stories_sprint_id_fkey" FOREIGN KEY ("sprint_id") REFERENCES "sprints" ("id") ON DELETE SET NULL ON UPDATE CASCADE
);

-- CreateTable
CREATE TABLE "story_logs" (
    "id" TEXT NOT NULL PRIMARY KEY,
    "story_id" TEXT NOT NULL,
    "type" TEXT NOT NULL,
    "content" TEXT NOT NULL,
    "status" TEXT,
    "commit_hash" TEXT,
    "commit_message" TEXT,
    "created_at" DATETIME NOT NULL DEFAULT CURRENT_TIMESTAMP,
    CONSTRAINT "story_logs_story_id_fkey" FOREIGN KEY ("story_id") REFERENCES "stories" ("id") ON DELETE CASCADE ON UPDATE CASCADE
);

-- CreateTable
CREATE TABLE "sprints" (
    "id" TEXT NOT NULL PRIMARY KEY,
    "product_id" TEXT NOT NULL,
    "sprint_goal" TEXT NOT NULL,
    "status" TEXT NOT NULL DEFAULT 'ACTIVE',
    "created_at" DATETIME NOT NULL DEFAULT CURRENT_TIMESTAMP,
    "completed_at" DATETIME,
    CONSTRAINT "sprints_product_id_fkey" FOREIGN KEY ("product_id") REFERENCES "products" ("id") ON DELETE CASCADE ON UPDATE CASCADE
);

-- CreateTable
CREATE TABLE "tasks" (
    "id" TEXT NOT NULL PRIMARY KEY,
    "story_id" TEXT NOT NULL,
    "sprint_id" TEXT,
    "title" TEXT NOT NULL,
    "description" TEXT,
    "priority" INTEGER NOT NULL,
    "sort_order" REAL NOT NULL,
    "status" TEXT NOT NULL DEFAULT 'TO_DO',
    "created_at" DATETIME NOT NULL DEFAULT CURRENT_TIMESTAMP,
    "updated_at" DATETIME NOT NULL,
    CONSTRAINT "tasks_story_id_fkey" FOREIGN KEY ("story_id") REFERENCES "stories" ("id") ON DELETE CASCADE ON UPDATE CASCADE,
    CONSTRAINT "tasks_sprint_id_fkey" FOREIGN KEY ("sprint_id") REFERENCES "sprints" ("id") ON DELETE SET NULL ON UPDATE CASCADE
);

-- CreateTable
CREATE TABLE "todos" (
    "id" TEXT NOT NULL PRIMARY KEY,
    "user_id" TEXT NOT NULL,
    "title" TEXT NOT NULL,
    "done" BOOLEAN NOT NULL DEFAULT false,
    "archived" BOOLEAN NOT NULL DEFAULT false,
    "created_at" DATETIME NOT NULL DEFAULT CURRENT_TIMESTAMP,
    "updated_at" DATETIME NOT NULL,
    CONSTRAINT "todos_user_id_fkey" FOREIGN KEY ("user_id") REFERENCES "users" ("id") ON DELETE CASCADE ON UPDATE CASCADE
);

-- CreateIndex
CREATE UNIQUE INDEX "users_username_key" ON "users"("username");

-- CreateIndex
CREATE UNIQUE INDEX "user_roles_user_id_role_key" ON "user_roles"("user_id", "role");

-- CreateIndex
CREATE UNIQUE INDEX "api_tokens_token_hash_key" ON "api_tokens"("token_hash");

-- CreateIndex
CREATE INDEX "api_tokens_token_hash_idx" ON "api_tokens"("token_hash");

-- CreateIndex
CREATE INDEX "products_user_id_archived_idx" ON "products"("user_id", "archived");

-- CreateIndex
CREATE UNIQUE INDEX "products_user_id_name_key" ON "products"("user_id", "name");

-- CreateIndex
CREATE INDEX "pbis_product_id_priority_sort_order_idx" ON "pbis"("product_id", "priority", "sort_order");

-- CreateIndex
CREATE INDEX "stories_pbi_id_priority_sort_order_idx" ON "stories"("pbi_id", "priority", "sort_order");

-- CreateIndex
CREATE INDEX "stories_sprint_id_sort_order_idx" ON "stories"("sprint_id", "sort_order");

-- CreateIndex
CREATE INDEX "stories_product_id_status_idx" ON "stories"("product_id", "status");

-- CreateIndex
CREATE INDEX "story_logs_story_id_created_at_idx" ON "story_logs"("story_id", "created_at");

-- CreateIndex
CREATE INDEX "sprints_product_id_status_idx" ON "sprints"("product_id", "status");

-- CreateIndex
CREATE INDEX "tasks_story_id_priority_sort_order_idx" ON "tasks"("story_id", "priority", "sort_order");

-- CreateIndex
CREATE INDEX "tasks_sprint_id_status_idx" ON "tasks"("sprint_id", "status");

-- CreateIndex
CREATE INDEX "todos_user_id_done_archived_idx" ON "todos"("user_id", "done", "archived");