package dto

import (
	"fmt"

	"github.com/break/junhong_cmp_fiber/internal/model"
)

// CreateWechatConfigRequest 创建微信参数配置请求
type CreateWechatConfigRequest struct {
	Name         string `json:"name" validate:"required,min=1,max=100" required:"true" minLength:"1" maxLength:"100" description:"配置名称"`
	Description  string `json:"description" validate:"omitempty,max=500" maxLength:"500" description:"配置描述"`
	ProviderType string `json:"provider_type" validate:"required,oneof=wechat fuiou" required:"true" description:"支付渠道类型 (wechat:微信直连, fuiou:富友)"`

	OaAppID            string `json:"oa_app_id" validate:"omitempty,max=100" maxLength:"100" description:"公众号AppID"`
	OaAppSecret        string `json:"oa_app_secret" validate:"omitempty,max=200" maxLength:"200" description:"公众号AppSecret"`
	OaToken            string `json:"oa_token" validate:"omitempty,max=200" maxLength:"200" description:"公众号Token"`
	OaAesKey           string `json:"oa_aes_key" validate:"omitempty,max=200" maxLength:"200" description:"公众号AES加密Key"`
	OaOAuthRedirectURL string `json:"oa_oauth_redirect_url" validate:"omitempty,max=500" maxLength:"500" description:"OAuth回调地址"`

	MiniappAppID     string `json:"miniapp_app_id" validate:"omitempty,max=100" maxLength:"100" description:"小程序AppID"`
	MiniappAppSecret string `json:"miniapp_app_secret" validate:"omitempty,max=200" maxLength:"200" description:"小程序AppSecret"`

	WxMchID       string `json:"wx_mch_id" validate:"omitempty,max=100" maxLength:"100" description:"微信商户号"`
	WxAPIV3Key    string `json:"wx_api_v3_key" validate:"omitempty,max=200" maxLength:"200" description:"微信APIv3密钥"`
	WxAPIV2Key    string `json:"wx_api_v2_key" validate:"omitempty,max=200" maxLength:"200" description:"微信APIv2密钥"`
	WxCertContent string `json:"wx_cert_content" validate:"omitempty" description:"微信支付证书内容(PEM格式)"`
	WxKeyContent  string `json:"wx_key_content" validate:"omitempty" description:"微信支付密钥内容(PEM格式)"`
	WxSerialNo    string `json:"wx_serial_no" validate:"omitempty,max=200" maxLength:"200" description:"微信证书序列号"`
	WxNotifyURL   string `json:"wx_notify_url" validate:"omitempty,max=500" maxLength:"500" description:"微信支付回调地址"`

	FyInsCd      string `json:"fy_ins_cd" validate:"omitempty,max=50" maxLength:"50" description:"富友机构号"`
	FyMchntCd    string `json:"fy_mchnt_cd" validate:"omitempty,max=50" maxLength:"50" description:"富友商户号"`
	FyTermID     string `json:"fy_term_id" validate:"omitempty,max=50" maxLength:"50" description:"富友终端号"`
	FyPrivateKey string `json:"fy_private_key" validate:"omitempty" description:"富友私钥(PEM格式)"`
	FyPublicKey  string `json:"fy_public_key" validate:"omitempty" description:"富友公钥(PEM格式)"`
	FyAPIURL     string `json:"fy_api_url" validate:"omitempty,max=500" maxLength:"500" description:"富友API地址"`
	FyNotifyURL  string `json:"fy_notify_url" validate:"omitempty,max=500" maxLength:"500" description:"富友支付回调地址"`
}

// UpdateWechatConfigRequest 更新微信参数配置请求
type UpdateWechatConfigRequest struct {
	Name         *string `json:"name" validate:"omitempty,min=1,max=100" minLength:"1" maxLength:"100" description:"配置名称"`
	Description  *string `json:"description" validate:"omitempty,max=500" maxLength:"500" description:"配置描述"`
	ProviderType *string `json:"provider_type" validate:"omitempty,oneof=wechat fuiou" description:"支付渠道类型 (wechat:微信直连, fuiou:富友)"`

	OaAppID            *string `json:"oa_app_id" validate:"omitempty,max=100" maxLength:"100" description:"公众号AppID"`
	OaAppSecret        *string `json:"oa_app_secret" validate:"omitempty,max=200" maxLength:"200" description:"公众号AppSecret"`
	OaToken            *string `json:"oa_token" validate:"omitempty,max=200" maxLength:"200" description:"公众号Token"`
	OaAesKey           *string `json:"oa_aes_key" validate:"omitempty,max=200" maxLength:"200" description:"公众号AES加密Key"`
	OaOAuthRedirectURL *string `json:"oa_oauth_redirect_url" validate:"omitempty,max=500" maxLength:"500" description:"OAuth回调地址"`

	MiniappAppID     *string `json:"miniapp_app_id" validate:"omitempty,max=100" maxLength:"100" description:"小程序AppID"`
	MiniappAppSecret *string `json:"miniapp_app_secret" validate:"omitempty,max=200" maxLength:"200" description:"小程序AppSecret"`

	WxMchID       *string `json:"wx_mch_id" validate:"omitempty,max=100" maxLength:"100" description:"微信商户号"`
	WxAPIV3Key    *string `json:"wx_api_v3_key" validate:"omitempty,max=200" maxLength:"200" description:"微信APIv3密钥"`
	WxAPIV2Key    *string `json:"wx_api_v2_key" validate:"omitempty,max=200" maxLength:"200" description:"微信APIv2密钥"`
	WxCertContent *string `json:"wx_cert_content" validate:"omitempty" description:"微信支付证书内容(PEM格式)"`
	WxKeyContent  *string `json:"wx_key_content" validate:"omitempty" description:"微信支付密钥内容(PEM格式)"`
	WxSerialNo    *string `json:"wx_serial_no" validate:"omitempty,max=200" maxLength:"200" description:"微信证书序列号"`
	WxNotifyURL   *string `json:"wx_notify_url" validate:"omitempty,max=500" maxLength:"500" description:"微信支付回调地址"`

	FyInsCd      *string `json:"fy_ins_cd" validate:"omitempty,max=50" maxLength:"50" description:"富友机构号"`
	FyMchntCd    *string `json:"fy_mchnt_cd" validate:"omitempty,max=50" maxLength:"50" description:"富友商户号"`
	FyTermID     *string `json:"fy_term_id" validate:"omitempty,max=50" maxLength:"50" description:"富友终端号"`
	FyPrivateKey *string `json:"fy_private_key" validate:"omitempty" description:"富友私钥(PEM格式)"`
	FyPublicKey  *string `json:"fy_public_key" validate:"omitempty" description:"富友公钥(PEM格式)"`
	FyAPIURL     *string `json:"fy_api_url" validate:"omitempty,max=500" maxLength:"500" description:"富友API地址"`
	FyNotifyURL  *string `json:"fy_notify_url" validate:"omitempty,max=500" maxLength:"500" description:"富友支付回调地址"`
}

// UpdateWechatConfigParams 更新微信参数配置聚合参数 (用于文档生成)
type UpdateWechatConfigParams struct {
	IDReq
	UpdateWechatConfigRequest
}

// WechatConfigListRequest 微信参数配置列表查询请求
type WechatConfigListRequest struct {
	Page         int     `json:"page" query:"page" validate:"omitempty,min=1" minimum:"1" description:"页码"`
	PageSize     int     `json:"page_size" query:"page_size" validate:"omitempty,min=1,max=100" minimum:"1" maximum:"100" description:"每页数量"`
	ProviderType *string `json:"provider_type" query:"provider_type" validate:"omitempty,oneof=wechat fuiou" description:"支付渠道类型 (wechat:微信直连, fuiou:富友)"`
	IsActive     *bool   `json:"is_active" query:"is_active" description:"是否激活 (true:已激活, false:未激活)"`
}

// WechatConfigResponse 微信参数配置响应
type WechatConfigResponse struct {
	ID           uint   `json:"id" description:"配置ID"`
	Name         string `json:"name" description:"配置名称"`
	Description  string `json:"description" description:"配置描述"`
	ProviderType string `json:"provider_type" description:"支付渠道类型 (wechat:微信直连, fuiou:富友)"`
	IsActive     bool   `json:"is_active" description:"是否激活"`

	OaAppID            string `json:"oa_app_id" description:"公众号AppID"`
	OaAppSecret        string `json:"oa_app_secret" description:"公众号AppSecret(已脱敏)"`
	OaToken            string `json:"oa_token" description:"公众号Token(已脱敏)"`
	OaAesKey           string `json:"oa_aes_key" description:"公众号AES加密Key(已脱敏)"`
	OaOAuthRedirectURL string `json:"oa_oauth_redirect_url" description:"OAuth回调地址"`

	MiniappAppID     string `json:"miniapp_app_id" description:"小程序AppID"`
	MiniappAppSecret string `json:"miniapp_app_secret" description:"小程序AppSecret(已脱敏)"`

	WxMchID       string `json:"wx_mch_id" description:"微信商户号"`
	WxAPIV3Key    string `json:"wx_api_v3_key" description:"微信APIv3密钥(已脱敏)"`
	WxAPIV2Key    string `json:"wx_api_v2_key" description:"微信APIv2密钥(已脱敏)"`
	WxCertContent string `json:"wx_cert_content" description:"微信支付证书内容(配置状态)"`
	WxKeyContent  string `json:"wx_key_content" description:"微信支付密钥内容(配置状态)"`
	WxSerialNo    string `json:"wx_serial_no" description:"微信证书序列号"`
	WxNotifyURL   string `json:"wx_notify_url" description:"微信支付回调地址"`

	FyInsCd      string `json:"fy_ins_cd" description:"富友机构号"`
	FyMchntCd    string `json:"fy_mchnt_cd" description:"富友商户号"`
	FyTermID     string `json:"fy_term_id" description:"富友终端号"`
	FyPrivateKey string `json:"fy_private_key" description:"富友私钥(配置状态)"`
	FyPublicKey  string `json:"fy_public_key" description:"富友公钥(配置状态)"`
	FyAPIURL     string `json:"fy_api_url" description:"富友API地址"`
	FyNotifyURL  string `json:"fy_notify_url" description:"富友支付回调地址"`

	CreatedAt string `json:"created_at" description:"创建时间"`
	UpdatedAt string `json:"updated_at" description:"更新时间"`
}

// WechatConfigListResponse 微信参数配置列表响应
type WechatConfigListResponse struct {
	List     []*WechatConfigResponse `json:"list" description:"配置列表"`
	Total    int64                   `json:"total" description:"总数"`
	Page     int                     `json:"page" description:"当前页"`
	PageSize int                     `json:"page_size" description:"每页数量"`
}

// MaskShortSecret 对短密钥进行脱敏处理
// 长度小于 8 返回 "***"，否则保留前4位和后4位
func MaskShortSecret(val string) string {
	if len(val) < 8 {
		return "***"
	}
	return fmt.Sprintf("%s***%s", val[:4], val[len(val)-4:])
}

// MaskLongSecret 对长密钥/证书进行脱敏处理
// 空值返回 "[未配置]"，否则返回 "[已配置]"
func MaskLongSecret(val string) string {
	if val == "" {
		return "[未配置]"
	}
	return "[已配置]"
}

// FromWechatConfigModel 从模型转换为响应 DTO，敏感字段自动脱敏
func FromWechatConfigModel(m *model.WechatConfig) *WechatConfigResponse {
	resp := &WechatConfigResponse{
		ID:           m.ID,
		Name:         m.Name,
		ProviderType: m.ProviderType,
		IsActive:     m.IsActive,

		OaAppID:            m.OaAppID,
		OaAppSecret:        MaskShortSecret(m.OaAppSecret),
		OaToken:            MaskShortSecret(m.OaToken),
		OaAesKey:           MaskShortSecret(m.OaAesKey),
		OaOAuthRedirectURL: m.OaOAuthRedirectURL,

		MiniappAppID:     m.MiniappAppID,
		MiniappAppSecret: MaskShortSecret(m.MiniappAppSecret),

		WxMchID:       m.WxMchID,
		WxAPIV3Key:    MaskShortSecret(m.WxAPIV3Key),
		WxAPIV2Key:    MaskShortSecret(m.WxAPIV2Key),
		WxCertContent: MaskLongSecret(m.WxCertContent),
		WxKeyContent:  MaskLongSecret(m.WxKeyContent),
		WxSerialNo:    m.WxSerialNo,
		WxNotifyURL:   m.WxNotifyURL,

		FyInsCd:      m.FyInsCd,
		FyMchntCd:    m.FyMchntCd,
		FyTermID:     m.FyTermID,
		FyPrivateKey: MaskLongSecret(m.FyPrivateKey),
		FyPublicKey:  MaskLongSecret(m.FyPublicKey),
		FyAPIURL:     m.FyAPIURL,
		FyNotifyURL:  m.FyNotifyURL,

		CreatedAt: m.CreatedAt.Format("2006-01-02 15:04:05"),
		UpdatedAt: m.UpdatedAt.Format("2006-01-02 15:04:05"),
	}

	if m.Description != nil {
		resp.Description = *m.Description
	}

	return resp
}