CREATE TYPE "public"."content_lifecycle_status" AS ENUM('active', 'archived');--> statement-breakpoint
CREATE TYPE "public"."revision_source_kind" AS ENUM('import', 'manual', 'restore');--> statement-breakpoint
CREATE TABLE "content_entries" (
	"id" uuid PRIMARY KEY DEFAULT gen_random_uuid() NOT NULL,
	"site_id" uuid NOT NULL,
	"type_key" text NOT NULL,
	"lifecycle_status" "content_lifecycle_status" NOT NULL,
	"created_at" timestamp with time zone DEFAULT now() NOT NULL,
	"updated_at" timestamp with time zone DEFAULT now() NOT NULL
);
--> statement-breakpoint
CREATE TABLE "content_revisions" (
	"id" uuid PRIMARY KEY DEFAULT gen_random_uuid() NOT NULL,
	"site_id" uuid NOT NULL,
	"content_entry_id" uuid NOT NULL,
	"locale" text NOT NULL,
	"schema_version" integer NOT NULL,
	"data" jsonb NOT NULL,
	"checksum" text NOT NULL,
	"source_kind" "revision_source_kind" NOT NULL,
	"source_record_id" uuid,
	"import_job_id" uuid,
	"overridden_fields" jsonb DEFAULT '[]'::jsonb NOT NULL,
	"created_by" text NOT NULL,
	"created_at" timestamp with time zone DEFAULT now() NOT NULL
);
--> statement-breakpoint
CREATE TABLE "entry_locales" (
	"id" uuid PRIMARY KEY DEFAULT gen_random_uuid() NOT NULL,
	"site_id" uuid NOT NULL,
	"content_entry_id" uuid NOT NULL,
	"locale" text NOT NULL,
	"slug" text NOT NULL,
	"current_revision_id" uuid,
	"published_revision_id" uuid,
	"created_at" timestamp with time zone DEFAULT now() NOT NULL,
	"updated_at" timestamp with time zone DEFAULT now() NOT NULL
);
--> statement-breakpoint
ALTER TABLE "content_entries" ADD CONSTRAINT "content_entries_site_id_sites_id_fk" FOREIGN KEY ("site_id") REFERENCES "public"."sites"("id") ON DELETE no action ON UPDATE no action;--> statement-breakpoint
ALTER TABLE "content_revisions" ADD CONSTRAINT "content_revisions_site_id_sites_id_fk" FOREIGN KEY ("site_id") REFERENCES "public"."sites"("id") ON DELETE no action ON UPDATE no action;--> statement-breakpoint
ALTER TABLE "content_revisions" ADD CONSTRAINT "content_revisions_content_entry_id_content_entries_id_fk" FOREIGN KEY ("content_entry_id") REFERENCES "public"."content_entries"("id") ON DELETE no action ON UPDATE no action;--> statement-breakpoint
ALTER TABLE "content_revisions" ADD CONSTRAINT "content_revisions_import_job_id_import_jobs_id_fk" FOREIGN KEY ("import_job_id") REFERENCES "public"."import_jobs"("id") ON DELETE no action ON UPDATE no action;--> statement-breakpoint
ALTER TABLE "entry_locales" ADD CONSTRAINT "entry_locales_site_id_sites_id_fk" FOREIGN KEY ("site_id") REFERENCES "public"."sites"("id") ON DELETE no action ON UPDATE no action;--> statement-breakpoint
ALTER TABLE "entry_locales" ADD CONSTRAINT "entry_locales_content_entry_id_content_entries_id_fk" FOREIGN KEY ("content_entry_id") REFERENCES "public"."content_entries"("id") ON DELETE no action ON UPDATE no action;--> statement-breakpoint
CREATE INDEX "content_entries_site_type_idx" ON "content_entries" USING btree ("site_id","type_key");--> statement-breakpoint
CREATE UNIQUE INDEX "entry_locales_uq" ON "entry_locales" USING btree ("site_id","content_entry_id","locale");--> statement-breakpoint
-- ↓ 手写追加（drizzle-kit 不生成触发器）：修订不可变，复用 0001 的 sf_forbid_update。
--   发布 = 只 UPDATE entry_locales 双指针（current/published），修订行本身库级禁改禁删（ADR-010）。
CREATE TRIGGER content_revisions_immutable BEFORE UPDATE OR DELETE ON content_revisions
  FOR EACH ROW EXECUTE FUNCTION sf_forbid_update();--> statement-breakpoint
-- 补 source_records.content_entry_id → content_entries FK（Task 7 预留，schema 层不声明故由手写 SQL 回填）
ALTER TABLE source_records
  ADD CONSTRAINT source_records_content_entry_id_fkey
  FOREIGN KEY (content_entry_id) REFERENCES content_entries(id);