package errors

import (
	stderrors "errors"
	"fmt"
	"strings"

	"goravel/app/http/trans"

	"github.com/goravel/framework/contracts/http"
)

// 定义业务错误类型
var (
	// 认证相关错误
	ErrAccountDisabled       = NewBusinessError("account_disabled", "账号已被禁用")
	ErrPasswordError         = NewBusinessError("password_error", "密码错误")
	ErrNotLoggedIn           = NewBusinessError("not_logged_in", "未登录")
	ErrUsernameOrPasswordErr = NewBusinessError("username_or_password_error", "用户名或密码错误")
	ErrLoginFailed           = NewBusinessError("login_failed", "登录失败")

	// 验证相关错误
	ErrValidationFailed = NewBusinessError("validation_failed", "验证失败")
	ErrInvalidArgument  = NewBusinessError("invalid_argument", "无效的参数")

	// 资源相关错误
	ErrRecordNotFound       = NewBusinessError("record_not_found", "记录不存在")
	ErrBlacklistNotFound    = NewBusinessError("blacklist_not_found", "黑名单不存在")
	ErrNotificationNotFound = NewBusinessError("notification_not_found", "通知不存在")
	ErrAdminNotFound        = NewBusinessError("admin_not_found", "管理员不存在")
	ErrRoleNotFound         = NewBusinessError("role_not_found", "角色不存在")
	ErrMenuNotFound         = NewBusinessError("menu_not_found", "菜单不存在")
	ErrPermissionNotFound   = NewBusinessError("permission_not_found", "权限不存在")
	ErrDepartmentNotFound   = NewBusinessError("department_not_found", "部门不存在")
	ErrDictionaryNotFound   = NewBusinessError("dictionary_not_found", "字典不存在")
	ErrLogNotFound          = NewBusinessError("log_not_found", "日志不存在")

	// IP 相关错误
	ErrIPAddressRequired    = NewBusinessError("ip_address_required", "IP地址不能为空")
	ErrInvalidCIDRFormat    = NewBusinessError("invalid_cidr_format", "CIDR格式错误")
	ErrInvalidIPRangeFormat = NewBusinessError("invalid_ip_range_format", "IP范围格式错误")
	ErrInvalidIPFormat      = NewBusinessError("invalid_ip_format", "IP格式错误")
	ErrInvalidIPRangeOrder  = NewBusinessError("invalid_ip_range_order", "IP范围顺序错误")

	// 参数相关错误
	ErrIDRequired       = NewBusinessError("id_required", "ID不能为空")
	ErrIDsRequired      = NewBusinessError("ids_required", "IDs不能为空")
	ErrParamsError      = NewBusinessError("params_error", "参数错误")
	ErrParamsRequired   = NewBusinessError("params_required", "参数不能为空")
	ErrFileRequired     = NewBusinessError("file_required", "文件不能为空")
	ErrFilePathRequired = NewBusinessError("file_path_required", "文件路径不能为空")
	ErrCodeRequired     = NewBusinessError("code_required", "验证码不能为空")
	ErrTokenIDRequired  = NewBusinessError("token_id_required", "Token ID不能为空")
	ErrTokenIDsRequired = NewBusinessError("token_ids_required", "Token IDs不能为空")
	ErrUserIDRequired   = NewBusinessError("user_id_required", "用户ID不能为空")
	ErrChunkIDRequired  = NewBusinessError("chunk_id_required", "分片ID不能为空")
	ErrFilenameRequired = NewBusinessError("filename_required", "文件名不能为空")

	// 附件相关错误
	ErrChunkUploadOnlyLocalStorage = NewBusinessError("chunk_upload_only_local_storage", "大文件分片上传仅支持本地存储")
	ErrInvalidChunkIndex           = NewBusinessError("invalid_chunk_index", "分片索引无效")
	ErrInvalidTotalChunks          = NewBusinessError("invalid_total_chunks", "总分片数无效")
	ErrInvalidTotalSize            = NewBusinessError("invalid_total_size", "总大小无效")
	ErrInvalidChunkSize            = NewBusinessError("invalid_chunk_size", "分片大小无效")
	ErrChunkFileRequired           = NewBusinessError("chunk_file_required", "分片文件不能为空")
	ErrInvalidAction               = NewBusinessError("invalid_action", "无效的操作")
	ErrAttachmentNotFound          = NewBusinessError("attachment_not_found", "附件不存在")
	ErrChunkNotFound               = NewBusinessError("chunk_not_found", "分片不存在")
	ErrChunkMissing                = NewBusinessError("chunk_missing", "分片缺失")
	ErrNoChunkDataToMerge          = NewBusinessError("no_chunk_data_to_merge", "没有可合并的分片数据")
	ErrSaveChunkFailed             = NewBusinessError("save_chunk_failed", "保存分片失败")
	ErrCreateDirectoryFailed       = NewBusinessError("create_directory_failed", "创建目标目录失败")
	ErrCreateFileFailed            = NewBusinessError("create_file_failed", "创建目标文件失败")
	ErrWriteChunkFailed            = NewBusinessError("write_chunk_failed", "写入分片失败")
	ErrCloseFileFailed             = NewBusinessError("close_file_failed", "关闭目标文件失败")
	ErrSaveFileFailed              = NewBusinessError("save_file_failed", "保存文件失败")
	ErrDeleteFileFailed            = NewBusinessError("delete_file_failed", "删除文件失败")

	// 数据存在性错误
	ErrUsernameExists                = NewBusinessError("username_exists", "用户名已存在")
	ErrMenuSlugExists                = NewBusinessError("menu_slug_exists", "菜单标识已存在")
	ErrRoleNameExists                = NewBusinessError("role_name_exists", "角色名称已存在")
	ErrRoleSlugExists                = NewBusinessError("role_slug_exists", "角色标识已存在")
	ErrPermissionNameExists          = NewBusinessError("permission_name_exists", "权限名称已存在")
	ErrPermissionSlugExists          = NewBusinessError("permission_slug_exists", "权限标识已存在")
	ErrPermissionNameOrSlugExists    = NewBusinessError("permission_name_or_slug_exists", "权限名称或标识已存在")
	ErrPermissionNameAndSlugRequired = NewBusinessError("permission_name_and_slug_required", "权限名称和标识不能为空")

	// 业务逻辑错误
	ErrMenuHasChildren                 = NewBusinessError("menu_has_children", "菜单存在子菜单，无法删除")
	ErrDepartmentHasChildren           = NewBusinessError("department_has_children", "部门存在子部门，无法删除")
	ErrDepartmentHasAdmins             = NewBusinessError("department_has_admins", "部门存在管理员，无法删除")
	ErrGoogleAuthenticatorNotBound     = NewBusinessError("google_authenticator_not_bound", "未绑定谷歌验证器")
	ErrGoogleAuthenticatorAlreadyBound = NewBusinessError("google_authenticator_already_bound", "已绑定谷歌验证器")
	ErrGoogleCodeInvalid               = NewBusinessError("google_code_invalid", "谷歌验证码无效")
	ErrGoogleCodeRequired              = NewBusinessError("google_code_required", "谷歌验证码不能为空")
	ErrSecretAndCodeRequired           = NewBusinessError("secret_and_code_required", "密钥和验证码不能为空")
	ErrOldPasswordError                = NewBusinessError("old_password_error", "旧密码错误")
	ErrInvalidTokenID                  = NewBusinessError("invalid_token_id", "无效的Token ID")
	ErrInvalidTokenIDs                 = NewBusinessError("invalid_token_ids", "无效的Token IDs")
	ErrInvalidUserID                   = NewBusinessError("invalid_user_id", "无效的用户ID")
	ErrDictionaryTypeRequired          = NewBusinessError("dictionary_type_required", "字典类型不能为空")
	ErrConfigGroupRequired             = NewBusinessError("config_group_required", "配置组不能为空")
	ErrConfigsRequired                 = NewBusinessError("configs_required", "配置不能为空")
	ErrEmailConfigRequired             = NewBusinessError("email_config_required", "邮箱配置不能为空")
	ErrOptionTypeRequired              = NewBusinessError("option_type_required", "选项类型不能为空")
	ErrInvalidOptionType               = NewBusinessError("invalid_option_type", "无效的选项类型")

	// 余额相关错误
	ErrInsufficientBalance = NewBusinessError("insufficient_balance", "余额不足")
	ErrInvalidBalanceType  = NewBusinessError("invalid_balance_type", "无效的变动类型")

	// 订单相关错误
	ErrOrderNotFound           = NewBusinessError("order_not_found", "订单不存在")
	ErrOrderIDRequired         = NewBusinessError("order_id_required", "订单ID不能为空")
	ErrGetLockFailed           = NewBusinessError("get_lock_failed", "获取锁失败")
	ErrGenerateOrderNoFailed   = NewBusinessError("generate_order_no_failed", "生成唯一订单号失败，请重试")
	ErrCreateOrderFailed       = NewBusinessError("create_order_failed", "创建订单失败")
	ErrCreateOrderDetailFailed = NewBusinessError("create_order_detail_failed", "创建订单详情失败")
	ErrQueryOrderDetailFailed  = NewBusinessError("query_order_detail_failed", "查询订单详情失败")
	ErrDeleteOrderDetailFailed = NewBusinessError("delete_order_detail_failed", "删除订单详情失败")

	// 支付相关错误
	ErrPaymentMethodNotFound   = NewBusinessError("payment_method_not_found", "支付方式不存在")
	ErrPaymentNotFound          = NewBusinessError("payment_not_found", "支付记录不存在")
	ErrPaymentMethodDisabled   = NewBusinessError("payment_method_disabled", "支付方式已禁用")
	ErrPaymentMethodCodeExists = NewBusinessError("payment_method_code_exists", "支付方式代码已存在")
	ErrInvalidPaymentType      = NewBusinessError("invalid_payment_type", "无效的支付类型")
	ErrPaymentConfigRequired    = NewBusinessError("payment_config_required", "支付配置不能为空")
	ErrCreatePaymentFailed     = NewBusinessError("create_payment_failed", "创建支付记录失败")
	ErrPaymentAmountInvalid    = NewBusinessError("payment_amount_invalid", "支付金额无效")
	ErrPaymentStatusInvalid    = NewBusinessError("payment_status_invalid", "支付状态无效")

	// 导出相关错误
	ErrExportRecordNotFound    = NewBusinessError("export_record_not_found", "导出记录不存在")
	ErrWriteCSVHeaderFailed    = NewBusinessError("write_csv_header_failed", "写入CSV表头失败")
	ErrWriteCSVDataFailed      = NewBusinessError("write_csv_data_failed", "写入CSV数据失败")
	ErrCSVWriteFailed          = NewBusinessError("csv_write_failed", "CSV写入失败")
	ErrExcelNotImplemented     = NewBusinessError("excel_not_implemented", "Excel导出功能暂未实现，请使用CSV格式")
	ErrBatchDeleteExportFailed = NewBusinessError("batch_delete_export_failed", "批量删除导出记录失败")

	// 导入相关错误
	ErrInvalidCSVFormat = NewBusinessError("invalid_csv_format", "CSV格式无效")
	ErrInvalidFileType  = NewBusinessError("invalid_file_type", "文件类型无效")

	// 分表相关错误
	ErrBaseTableNotRegistered    = NewBusinessError("base_table_not_registered", "未注册的基础表名")
	ErrCreateShardingTableFailed = NewBusinessError("create_sharding_table_failed", "创建分表失败")

	// 操作相关错误
	ErrCreateFailed          = NewBusinessError("create_failed", "创建失败")
	ErrUpdateFailed          = NewBusinessError("update_failed", "更新失败")
	ErrQueryFailed           = NewBusinessError("query_failed", "查询失败")
	ErrDeleteFailed          = NewBusinessError("delete_failed", "删除失败")
	ErrPasswordEncryptFailed = NewBusinessError("password_encrypt_failed", "密码加密失败")

	// 资源不存在错误（其他资源错误已在资源相关错误部分定义）
	ErrTokenNotFound      = NewBusinessError("token_not_found", "Token不存在")
	ErrUnauthorized       = NewBusinessError("unauthorized", "未授权")
	ErrTokenRefreshFailed = NewBusinessError("token_refresh_failed", "Token刷新失败")
	ErrUserNotFound       = NewBusinessError("user_not_found", "用户不存在")

	// 权限保护错误
	ErrAdminProtectedCannotDisable   = NewBusinessError("admin_protected_cannot_disable", "受保护的管理员不能禁用")
	ErrAdminCannotModifyRoles        = NewBusinessError("admin_cannot_modify_roles", "不能修改管理员角色")
	ErrAdminProtectedCannotDelete    = NewBusinessError("admin_protected_cannot_delete", "受保护的管理员不能删除")
	ErrAdminCannotDeleteSelf         = NewBusinessError("admin_cannot_delete_self", "不能删除自己")
	ErrRoleProtectedCannotModifySlug = NewBusinessError("role_protected_cannot_modify_slug", "受保护的角色不能修改标识")
	ErrRoleProtectedCannotDisable    = NewBusinessError("role_protected_cannot_disable", "受保护的角色不能禁用")
	ErrRoleProtectedCannotDelete     = NewBusinessError("role_protected_cannot_delete", "受保护的角色不能删除")

	// 测试相关错误
	ErrTraceTestWarning = NewBusinessError("trace_test_warning", "追踪测试警告")
	ErrTraceTestError   = NewBusinessError("trace_test_error", "追踪测试错误")
)

// BusinessError 业务错误类型
type BusinessError struct {
	Code    string
	Message string
	Err     error
	Params  map[string]any // 用于存储动态参数（如余额值）
}

// NewBusinessError 创建新的业务错误
func NewBusinessError(code, message string) *BusinessError {
	return &BusinessError{
		Code:    code,
		Message: message,
	}
}

// Error 实现 error 接口
func (e *BusinessError) Error() string {
	if e.Err != nil {
		return fmt.Sprintf("[%s] %s: %v", e.Code, e.Message, e.Err)
	}
	return fmt.Sprintf("[%s] %s", e.Code, e.Message)
}

// Unwrap 返回包装的错误
func (e *BusinessError) Unwrap() error {
	return e.Err
}

// WithError 包装底层错误
func (e *BusinessError) WithError(err error) *BusinessError {
	e.Err = err
	return e
}

// WithMessage 设置自定义消息
func (e *BusinessError) WithMessage(message string) *BusinessError {
	e.Message = message
	return e
}

// WithParams 设置动态参数
// 参数会在控制器中用于替换翻译后消息中的占位符
// 例如：翻译文件中有 "insufficient_balance": "余额不足，当前余额: {balance}"
// 使用 WithParams(map[string]any{"balance": 100}) 后，控制器会替换为 "余额不足，当前余额: 100.00"
func (e *BusinessError) WithParams(params map[string]any) *BusinessError {
	if e.Params == nil {
		e.Params = make(map[string]any)
	}
	for k, v := range params {
		e.Params[k] = v
	}
	return e
}

// Is 检查错误是否匹配
func (e *BusinessError) Is(target error) bool {
	if t, ok := target.(*BusinessError); ok {
		return e.Code == t.Code
	}
	return stderrors.Is(e.Err, target)
}

// WrapError 包装错误并添加上下文信息
func WrapError(err error, code, message string) *BusinessError {
	return &BusinessError{
		Code:    code,
		Message: message,
		Err:     err,
	}
}

// IsBusinessError 检查是否是业务错误
func IsBusinessError(err error) bool {
	_, ok := err.(*BusinessError)
	return ok
}

// GetBusinessError 获取业务错误
func GetBusinessError(err error) (*BusinessError, bool) {
	be, ok := err.(*BusinessError)
	return be, ok
}

// GetFormattedMessage 获取格式化后的消息（支持多语言和占位符替换）
// 自动处理翻译和占位符替换，简化控制器代码
// 使用示例：
//
//	message := businessErr.GetFormattedMessage(ctx)
func (e *BusinessError) GetFormattedMessage(ctx http.Context) string {
	// 1. 获取翻译后的消息
	message := trans.Get(ctx, e.Code)

	// 2. 如果翻译不存在（返回的是 key），使用默认消息
	if message == e.Code {
		message = e.Message
	}

	// 3. 如果有参数，替换占位符
	if len(e.Params) > 0 {
		message = e.replacePlaceholders(message)
	}

	return message
}

// replacePlaceholders 替换消息中的占位符
// 支持 {key} 和 ${key} 格式
func (e *BusinessError) replacePlaceholders(message string) string {
	result := message
	for key, value := range e.Params {
		// 支持 {key} 和 ${key} 格式
		placeholder1 := fmt.Sprintf("{%s}", key)
		placeholder2 := fmt.Sprintf("${%s}", key)

		// 格式化值
		valueStr := e.formatValue(value)

		// 替换占位符
		result = strings.ReplaceAll(result, placeholder1, valueStr)
		result = strings.ReplaceAll(result, placeholder2, valueStr)
	}
	return result
}

// formatValue 格式化参数值
// float64/float32 保留2位小数，整数保持原样，其他类型使用 %v
func (e *BusinessError) formatValue(value any) string {
	switch v := value.(type) {
	case float64:
		return fmt.Sprintf("%.2f", v)
	case float32:
		return fmt.Sprintf("%.2f", v)
	case int, int8, int16, int32, int64:
		return fmt.Sprintf("%d", v)
	case uint, uint8, uint16, uint32, uint64:
		return fmt.Sprintf("%d", v)
	default:
		return fmt.Sprintf("%v", v)
	}
}