package schema_test

import (
	"encoding/json"
	"os"
	"path/filepath"
	"runtime"
	"testing"

	"aijianzhan/platform/internal/blueprint"
	"aijianzhan/platform/internal/schema"
)

func TestBuildDDLFromExample(t *testing.T) {
	_, file, _, _ := runtime.Caller(0)
	root := filepath.Clean(filepath.Join(filepath.Dir(file), "..", "..", ".."))
	example := filepath.Join(root, "blueprint", "examples", "inventory-ledger.blueprint.json")
	raw, err := os.ReadFile(example)
	if err != nil {
		t.Fatalf("read example: %v", err)
	}
	bp, err := blueprint.Parse(json.RawMessage(raw))
	if err != nil {
		t.Fatal(err)
	}
	if err := bp.Validate("inventory_ledger"); err != nil {
		t.Fatal(err)
	}
	bp.AssignSchemaName(1)
	stmts, err := schema.BuildPostgresDDL(bp)
	if err != nil {
		t.Fatal(err)
	}
	if len(stmts) < 2 {
		t.Fatalf("expected schema+table ddl, got %d", len(stmts))
	}
	t.Logf("ddl count=%d first=%s", len(stmts), stmts[0])
}