CREATE TABLE "projects" (
	"id" serial PRIMARY KEY NOT NULL,
	"code" varchar(50) NOT NULL,
	"name" text NOT NULL,
	"created_at" timestamp DEFAULT now() NOT NULL,
	"updated_at" timestamp DEFAULT now() NOT NULL
);
--> statement-breakpoint
CREATE TABLE "contract_items" (
	"id" integer PRIMARY KEY GENERATED ALWAYS AS IDENTITY (sequence name "contract_items_id_seq" INCREMENT BY 1 MINVALUE 1 MAXVALUE 2147483647 START WITH 1 CACHE 1),
	"contract_id" integer NOT NULL,
	"item_id" integer NOT NULL,
	"quantity" integer DEFAULT 1 NOT NULL,
	"price" numeric(10, 2),
	"remark" text,
	"created_at" timestamp DEFAULT now() NOT NULL,
	"updated_at" timestamp DEFAULT now() NOT NULL,
	CONSTRAINT "contract_items_item_id_unique" UNIQUE("item_id")
);
--> statement-breakpoint
CREATE TABLE "contracts" (
	"id" integer PRIMARY KEY GENERATED ALWAYS AS IDENTITY (sequence name "contracts_id_seq" INCREMENT BY 1 MINVALUE 1 MAXVALUE 2147483647 START WITH 1 CACHE 1),
	"vendor_id" integer NOT NULL,
	"contract_no" varchar(100) NOT NULL,
	"status" varchar(50) DEFAULT 'ACTIVE' NOT NULL,
	"start_date" date,
	"end_date" date,
	"created_at" timestamp DEFAULT now() NOT NULL,
	"updated_at" timestamp DEFAULT now() NOT NULL,
	CONSTRAINT "contracts_contract_no_unique" UNIQUE("contract_no")
);
--> statement-breakpoint
CREATE TABLE "forms" (
	"id" integer PRIMARY KEY GENERATED ALWAYS AS IDENTITY (sequence name "forms_id_seq" INCREMENT BY 1 MINVALUE 1 MAXVALUE 2147483647 START WITH 1 CACHE 1),
	"form_code" varchar(100) NOT NULL,
	"form_name" varchar(255) NOT NULL,
	"tag_type" varchar(50) NOT NULL,
	"created_at" timestamp DEFAULT now() NOT NULL,
	"updated_at" timestamp DEFAULT now() NOT NULL,
	CONSTRAINT "forms_form_code_unique" UNIQUE("form_code")
);
--> statement-breakpoint
CREATE TABLE "tags" (
	"id" integer PRIMARY KEY GENERATED ALWAYS AS IDENTITY (sequence name "tags_id_seq" INCREMENT BY 1 MINVALUE 1 MAXVALUE 2147483647 START WITH 1 CACHE 1),
	"contract_item_id" integer NOT NULL,
	"tag_no" varchar(100) NOT NULL,
	"tag_type" varchar(50) NOT NULL,
	"description" text,
	"created_at" timestamp DEFAULT now() NOT NULL,
	"updated_at" timestamp DEFAULT now() NOT NULL
);
--> statement-breakpoint
ALTER TABLE "contract_items" ADD CONSTRAINT "contract_items_contract_id_contracts_id_fk" FOREIGN KEY ("contract_id") REFERENCES "public"."contracts"("id") ON DELETE cascade ON UPDATE no action;--> statement-breakpoint
ALTER TABLE "contract_items" ADD CONSTRAINT "contract_items_item_id_items_id_fk" FOREIGN KEY ("item_id") REFERENCES "public"."items"("id") ON DELETE cascade ON UPDATE no action;--> statement-breakpoint
ALTER TABLE "contracts" ADD CONSTRAINT "contracts_vendor_id_vendors_id_fk" FOREIGN KEY ("vendor_id") REFERENCES "public"."vendors"("id") ON DELETE cascade ON UPDATE no action;--> statement-breakpoint
ALTER TABLE "tags" ADD CONSTRAINT "tags_contract_item_id_contract_items_id_fk" FOREIGN KEY ("contract_item_id") REFERENCES "public"."contract_items"("id") ON DELETE cascade ON UPDATE no action;