package common

import (
	"fmt"
)

import (
	"github.com/gin-gonic/gin"
	ut "github.com/go-playground/universal-translator"
)

const OKCode = "0x000000"
const InvalidTokenCode = "0x010101"
const InvalidRoleCode = "0x010102"

type ResDesc string

var (
	// 全局
	Success           ResDesc = "Success"
	InvalidTokenError ResDesc = "InvalidTokenError"
	InvalidRoleError  ResDesc = "InvalidRoleError"
	InvalidParamError ResDesc = "InvalidParamError"
	NotExistsError    ResDesc = "NotExistsError"
	NotSupportError   ResDesc = "NotSupportError"
	NoAuthError       ResDesc = "NoAuthError"
	ExistsError       ResDesc = "ExistsError"
	NotAvailableError ResDesc = "NotAvailableError"
	UnknownError      ResDesc = "UnknownError"

	// 业务 错误
	InvalidIdError ResDesc = "InvalidIdError"
	FieldTypeError ResDesc = "FieldTypeError"
)

var (
	OK           = &ResStatus{Code: OKCode, Description: Success, Solution: ""}
	InvalidToken = &ResStatus{Code: InvalidTokenCode, Description: InvalidTokenError, Solution: "请先登录"}
	InvalidRole  = &ResStatus{Code: InvalidRoleCode, Description: InvalidRoleError, Solution: ""}

	InvalidParam = &ResStatus{Code: "0x010103", Description: InvalidParamError, Solution: ""}
	NotExists    = &ResStatus{Code: "0x010104", Description: NotExistsError, Solution: ""}
	NotSupport   = &ResStatus{Code: "0x010105", Description: NotSupportError, Solution: ""}
	NoAuth       = &ResStatus{Code: "0x010106", Description: NoAuthError, Solution: ""}
	Exists       = &ResStatus{Code: "0x010107", Description: ExistsError, Solution: ""}
	NotAvailable = &ResStatus{Code: "0x010108", Description: NotAvailableError, Solution: ""}

	InvalidUsernameOrPasswd = &ResStatus{Code: "0x010201", Description: "InvalidUsernameOrPasswdError", Solution: ""}

	Unknown = &ResStatus{Code: "0x999999", Description: UnknownError, Solution: "服务异常，请联系管理员"}
)

func helper(code string, msg ResDesc) *ResStatus {
	return &ResStatus{
		Code:        code,
		Description: msg,
		Solution:    "",
	}
}

type ResStatus struct {
	Code        string        `json:"code"`
	Description ResDesc       `json:"description"`
	Params      []interface{} `json:"-"`
	Solution    string        `json:"solution"`
}

func (p *ResStatus) Error() string {
	return string(p.Description)
}

func (p *ResStatus) Desc(msg ResDesc, params ...interface{}) *ResStatus {
	return &ResStatus{p.Code, msg, params, p.Solution}
}

func (p *ResStatus) SetParam(params ...interface{}) *ResStatus {
	return &ResStatus{p.Code, p.Description, params, p.Solution}
}

func (p *ResStatus) Translator(trans ut.Translator) *ResStatus {
	params := []string{}
	if len(p.Params) > 0 {
		for _, param := range p.Params {
			params = append(params, fmt.Sprintf("%v", param))
		}
	}
	t, err := trans.T(string(p.Description), params...)
	if err != nil {
		fmt.Printf("translator %s err: %v\n", p.Description, err)
		t = string(p.Description)
	}
	return &ResStatus{p.Code, ResDesc(t), p.Params, p.Solution}
}

func (p *ResStatus) H(data ...interface{}) gin.H {
	if len(data) > 0 {
		return gin.H{"status": helper(p.Code, p.Description), "data": data[0]}
	}
	return gin.H{"status": helper(p.Code, p.Description), "data": gin.H{}}
}