package config

import (
	"os"
	"path/filepath"
	"testing"
)

func TestDefaultConfigUsesOlonsAdmin(t *testing.T) {
	cfg := defaultConfig()
	if err := cfg.validate(); err != nil {
		t.Fatal(err)
	}
	if cfg.IM.TenantCode != "default" {
		t.Fatalf("unexpected default IM tenant: %q", cfg.IM.TenantCode)
	}
}

func TestConfigRejectsOtherDatabase(t *testing.T) {
	cfg := defaultConfig()
	cfg.MySQL.DSN = "root:root@tcp(127.0.0.1:3306)/other_database?parseTime=true"
	if err := cfg.validate(); err == nil {
		t.Fatal("expected non-olons_admin database to be rejected")
	}
}

func TestLoadPreservesConfiguredFinanceKeyAsLegacyWhenEnvironmentOverridesIt(t *testing.T) {
	path := filepath.Join(t.TempDir(), "config.json")
	data := []byte(`{"auth":{"finance_master_key":"legacy-finance-master-key-with-at-least-32-characters"}}`)
	if err := os.WriteFile(path, data, 0o600); err != nil {
		t.Fatal(err)
	}
	t.Setenv("OLONS_SERVER_CONFIG", path)
	t.Setenv("OLONS_SERVER_FINANCE_MASTER_KEY", "current-finance-master-key-with-at-least-32-characters")
	cfg, err := Load()
	if err != nil {
		t.Fatal(err)
	}
	if len(cfg.Auth.FinanceLegacyMasterKeys) != 1 ||
		cfg.Auth.FinanceLegacyMasterKeys[0] != "legacy-finance-master-key-with-at-least-32-characters" {
		t.Fatalf("configured finance key was not retained for historical data: %#v", cfg.Auth.FinanceLegacyMasterKeys)
	}
}

func TestApplyUploadSystemConfig(t *testing.T) {
	cfg := UploadConfig{Driver: "local", Region: "us-east-1"}
	ApplyUploadSystemConfig(&cfg, map[string]string{
		"uploadDrive":          "minio",
		"uploadMinioAccessKey": "access",
		"uploadMinioSecretKey": "secret",
		"uploadMinioEndpoint":  "minio.example.com",
		"uploadMinioUseSSL":    "1",
		"uploadMinioPath":      "images/",
		"uploadMinioBucket":    "bucket",
		"uploadMinioDomain":    "https://cdn.example.com",
	})
	if err := ValidateUpload(cfg); err != nil {
		t.Fatal(err)
	}
	if cfg.Driver != "minio" || !cfg.Secure || cfg.Bucket != "bucket" || cfg.Path != "images/" {
		t.Fatalf("unexpected upload config: %+v", cfg)
	}
}

func TestValidateUploadRejectsIncompleteMinio(t *testing.T) {
	if err := ValidateUpload(UploadConfig{Driver: "minio"}); err == nil {
		t.Fatal("expected incomplete minio config to be rejected")
	}
}