package bootstrap

import (
	"baron-sso-backend/internal/domain"
	"os"
	"path/filepath"
	"testing"
)

func TestSeedTenantCSVDefinesOnlyRequiredRootTenants(t *testing.T) {
	configs, err := loadSeedTenantConfigs()
	if err != nil {
		t.Fatalf("loadSeedTenantConfigs returned error: %v", err)
	}

	expected := []struct {
		name       string
		slug       string
		tenantType string
	}{
		{
			name:       "한맥가족",
			slug:       "hanmac-family",
			tenantType: domain.TenantTypeCompanyGroup,
		},
		{
			name:       "Personal",
			slug:       "personal",
			tenantType: domain.TenantTypePersonal,
		},
	}

	if len(configs) != len(expected) {
		t.Fatalf("expected %d seed tenants, got %d", len(expected), len(configs))
	}

	for i, want := range expected {
		got := configs[i]
		if got.Name != want.name {
			t.Fatalf("tenant[%d] name = %q, want %q", i, got.Name, want.name)
		}
		if got.Slug != want.slug {
			t.Fatalf("tenant[%d] slug = %q, want %q", i, got.Slug, want.slug)
		}
		if got.Type != want.tenantType {
			t.Fatalf("tenant[%d] type = %q, want %q", i, got.Type, want.tenantType)
		}
		if got.ParentSlug != "" {
			t.Fatalf("tenant[%d] parent slug = %q, want empty root tenant", i, got.ParentSlug)
		}
	}

	for _, tenant := range configs {
		if tenant.Slug == "system" || tenant.Slug == "hanmac" || tenant.Slug == "saman" {
			t.Fatalf("tenant %q must be configured by import, not seed CSV", tenant.Slug)
		}
	}
}

func TestLoadSeedTenantConfigsUsesConfiguredCSVPath(t *testing.T) {
	dir := t.TempDir()
	path := filepath.Join(dir, "seed-tenant.csv")
	csv := "name,type,parent_tenant_slug,slug,memo,email_domain\n" +
		"Root,COMPANY_GROUP,,root,Root memo,\n" +
		"Child,COMPANY,root,child,Child memo,child.example.com\n"
	if err := os.WriteFile(path, []byte(csv), 0o600); err != nil {
		t.Fatalf("failed to write seed csv: %v", err)
	}
	t.Setenv(seedTenantCSVPathEnv, path)

	configs, err := loadSeedTenantConfigs()
	if err != nil {
		t.Fatalf("loadSeedTenantConfigs returned error: %v", err)
	}
	if len(configs) != 2 {
		t.Fatalf("expected 2 configs, got %d", len(configs))
	}
	if configs[1].ParentSlug != "root" {
		t.Fatalf("child parent slug = %q, want root", configs[1].ParentSlug)
	}
	if len(configs[1].Domains) != 1 || configs[1].Domains[0] != "child.example.com" {
		t.Fatalf("child domains = %#v, want child.example.com", configs[1].Domains)
	}
}