CREATE TABLE IF NOT EXISTS "work_review_projects" (
  "id" TEXT NOT NULL,
  "title" TEXT NOT NULL,
  "description" TEXT,
  "work_date" DATE NOT NULL,
  "submitter_user_id" TEXT NOT NULL,
  "submitter_employee_id" TEXT NOT NULL,
  "submitter_name" TEXT NOT NULL,
  "submitter_snapshot" JSONB NOT NULL,
  "manager_employee_id" TEXT NOT NULL,
  "manager_user_id" TEXT,
  "manager_dingtalk_user_id" TEXT,
  "manager_name" TEXT NOT NULL,
  "final_reviewer_employee_id" TEXT NOT NULL,
  "final_reviewer_user_id" TEXT,
  "final_reviewer_dingtalk_user_id" TEXT,
  "final_reviewer_name" TEXT NOT NULL,
  "status" TEXT NOT NULL DEFAULT 'pending_review',
  "latest_version" INTEGER NOT NULL DEFAULT 1,
  "created_at" TIMESTAMP(3) NOT NULL DEFAULT CURRENT_TIMESTAMP,
  "updated_at" TIMESTAMP(3) NOT NULL,
  CONSTRAINT "work_review_projects_pkey" PRIMARY KEY ("id"),
  CONSTRAINT "work_review_projects_status_check"
    CHECK ("status" IN ('pending_review', 'revision_required', 'approved')),
  CONSTRAINT "work_review_projects_latest_version_check"
    CHECK ("latest_version" > 0),
  CONSTRAINT "work_review_projects_submitter_employee_id_fkey"
    FOREIGN KEY ("submitter_employee_id") REFERENCES "performance_survey_employee_profiles"("id")
    ON DELETE RESTRICT ON UPDATE CASCADE,
  CONSTRAINT "work_review_projects_manager_employee_id_fkey"
    FOREIGN KEY ("manager_employee_id") REFERENCES "performance_survey_employee_profiles"("id")
    ON DELETE RESTRICT ON UPDATE CASCADE,
  CONSTRAINT "work_review_projects_final_reviewer_employee_id_fkey"
    FOREIGN KEY ("final_reviewer_employee_id") REFERENCES "performance_survey_employee_profiles"("id")
    ON DELETE RESTRICT ON UPDATE CASCADE
);

CREATE TABLE IF NOT EXISTS "work_review_versions" (
  "id" TEXT NOT NULL,
  "project_id" TEXT NOT NULL,
  "version" INTEGER NOT NULL,
  "submission_note" TEXT,
  "image_urls" JSONB NOT NULL,
  "status" TEXT NOT NULL DEFAULT 'pending_review',
  "submitted_at" TIMESTAMP(3) NOT NULL DEFAULT CURRENT_TIMESTAMP,
  "completed_at" TIMESTAMP(3),
  "created_at" TIMESTAMP(3) NOT NULL DEFAULT CURRENT_TIMESTAMP,
  "updated_at" TIMESTAMP(3) NOT NULL,
  CONSTRAINT "work_review_versions_pkey" PRIMARY KEY ("id"),
  CONSTRAINT "work_review_versions_version_check" CHECK ("version" > 0),
  CONSTRAINT "work_review_versions_status_check"
    CHECK ("status" IN ('pending_review', 'revision_required', 'approved')),
  CONSTRAINT "work_review_versions_project_id_fkey"
    FOREIGN KEY ("project_id") REFERENCES "work_review_projects"("id")
    ON DELETE CASCADE ON UPDATE CASCADE
);

CREATE TABLE IF NOT EXISTS "work_review_reviews" (
  "id" TEXT NOT NULL,
  "version_id" TEXT NOT NULL,
  "reviewer_role" TEXT NOT NULL,
  "reviewer_employee_id" TEXT NOT NULL,
  "reviewer_user_id" TEXT,
  "reviewer_name" TEXT NOT NULL,
  "reviewer_snapshot" JSONB NOT NULL,
  "decision" TEXT NOT NULL,
  "image_comments" JSONB NOT NULL,
  "general_comment" TEXT,
  "reviewed_at" TIMESTAMP(3) NOT NULL DEFAULT CURRENT_TIMESTAMP,
  "created_at" TIMESTAMP(3) NOT NULL DEFAULT CURRENT_TIMESTAMP,
  "updated_at" TIMESTAMP(3) NOT NULL,
  CONSTRAINT "work_review_reviews_pkey" PRIMARY KEY ("id"),
  CONSTRAINT "work_review_reviews_role_check"
    CHECK ("reviewer_role" IN ('manager', 'final_reviewer')),
  CONSTRAINT "work_review_reviews_decision_check"
    CHECK ("decision" IN ('revision_required', 'approved')),
  CONSTRAINT "work_review_reviews_version_id_fkey"
    FOREIGN KEY ("version_id") REFERENCES "work_review_versions"("id")
    ON DELETE CASCADE ON UPDATE CASCADE,
  CONSTRAINT "work_review_reviews_reviewer_employee_id_fkey"
    FOREIGN KEY ("reviewer_employee_id") REFERENCES "performance_survey_employee_profiles"("id")
    ON DELETE RESTRICT ON UPDATE CASCADE
);

CREATE TABLE IF NOT EXISTS "work_review_notifications" (
  "id" TEXT NOT NULL,
  "project_id" TEXT NOT NULL,
  "version_id" TEXT NOT NULL,
  "recipient_employee_id" TEXT,
  "recipient_user_id" TEXT,
  "dingtalk_user_id" TEXT,
  "recipient_name" TEXT NOT NULL,
  "event_type" TEXT NOT NULL,
  "business_key" TEXT NOT NULL,
  "title" TEXT NOT NULL,
  "content" TEXT NOT NULL,
  "action_url" TEXT,
  "status" TEXT NOT NULL DEFAULT 'pending',
  "attempt_count" INTEGER NOT NULL DEFAULT 0,
  "max_attempts" INTEGER NOT NULL DEFAULT 5,
  "next_retry_at" TIMESTAMP(3),
  "provider_type" TEXT NOT NULL DEFAULT 'work_notice',
  "provider_message_id" TEXT,
  "last_error" TEXT,
  "sent_at" TIMESTAMP(3),
  "completed_at" TIMESTAMP(3),
  "created_at" TIMESTAMP(3) NOT NULL DEFAULT CURRENT_TIMESTAMP,
  "updated_at" TIMESTAMP(3) NOT NULL,
  CONSTRAINT "work_review_notifications_pkey" PRIMARY KEY ("id"),
  CONSTRAINT "work_review_notifications_status_check"
    CHECK ("status" IN ('pending', 'processing', 'retrying', 'succeeded', 'exhausted', 'skipped')),
  CONSTRAINT "work_review_notifications_project_id_fkey"
    FOREIGN KEY ("project_id") REFERENCES "work_review_projects"("id")
    ON DELETE CASCADE ON UPDATE CASCADE,
  CONSTRAINT "work_review_notifications_version_id_fkey"
    FOREIGN KEY ("version_id") REFERENCES "work_review_versions"("id")
    ON DELETE CASCADE ON UPDATE CASCADE
);

CREATE UNIQUE INDEX IF NOT EXISTS "work_review_versions_project_version_key"
  ON "work_review_versions"("project_id", "version");
CREATE UNIQUE INDEX IF NOT EXISTS "work_review_reviews_version_role_key"
  ON "work_review_reviews"("version_id", "reviewer_role");
CREATE UNIQUE INDEX IF NOT EXISTS "work_review_notifications_event_key"
  ON "work_review_notifications"("event_type", "business_key");

CREATE INDEX IF NOT EXISTS "work_review_projects_submitter_date_idx"
  ON "work_review_projects"("submitter_user_id", "work_date");
CREATE INDEX IF NOT EXISTS "work_review_projects_submitter_employee_date_idx"
  ON "work_review_projects"("submitter_employee_id", "work_date");
CREATE INDEX IF NOT EXISTS "work_review_projects_manager_status_idx"
  ON "work_review_projects"("manager_employee_id", "status");
CREATE INDEX IF NOT EXISTS "work_review_projects_final_reviewer_status_idx"
  ON "work_review_projects"("final_reviewer_employee_id", "status");
CREATE INDEX IF NOT EXISTS "work_review_projects_status_date_idx"
  ON "work_review_projects"("status", "work_date");
CREATE INDEX IF NOT EXISTS "work_review_projects_updated_at_idx"
  ON "work_review_projects"("updated_at");
CREATE INDEX IF NOT EXISTS "work_review_versions_project_submitted_idx"
  ON "work_review_versions"("project_id", "submitted_at");
CREATE INDEX IF NOT EXISTS "work_review_versions_status_submitted_idx"
  ON "work_review_versions"("status", "submitted_at");
CREATE INDEX IF NOT EXISTS "work_review_reviews_reviewer_reviewed_idx"
  ON "work_review_reviews"("reviewer_employee_id", "reviewed_at");
CREATE INDEX IF NOT EXISTS "work_review_reviews_decision_idx"
  ON "work_review_reviews"("decision");
CREATE INDEX IF NOT EXISTS "work_review_notifications_project_created_idx"
  ON "work_review_notifications"("project_id", "created_at");
CREATE INDEX IF NOT EXISTS "work_review_notifications_version_idx"
  ON "work_review_notifications"("version_id");
CREATE INDEX IF NOT EXISTS "work_review_notifications_recipient_employee_idx"
  ON "work_review_notifications"("recipient_employee_id");
CREATE INDEX IF NOT EXISTS "work_review_notifications_recipient_user_idx"
  ON "work_review_notifications"("recipient_user_id");
CREATE INDEX IF NOT EXISTS "work_review_notifications_dingtalk_user_idx"
  ON "work_review_notifications"("dingtalk_user_id");
CREATE INDEX IF NOT EXISTS "work_review_notifications_status_retry_idx"
  ON "work_review_notifications"("status", "next_retry_at");