package response

import (
	"electricity_bill_calc/config"

	"github.com/gofiber/fiber/v2"
)

type Result struct {
	Ctx *fiber.Ctx
}

type BaseResponse struct {
	Code    int    `json:"code"`
	Message string `json:"message"`
}

type PagedResponse struct {
	Page  int   `json:"current"`
	Size  uint  `json:"pageSize"`
	Total int64 `json:"total"`
}

func NewResult(ctx *fiber.Ctx) Result {
	return Result{Ctx: ctx}
}

func (r Result) response(status, code int, msg string, payloads ...map[string]interface{}) error {
	var finalPayload = make(map[string]interface{}, 0)
	finalPayload["code"] = code
	finalPayload["message"] = msg

	for _, m := range payloads {
		for k, v := range m {
			finalPayload[k] = v
		}
	}

	return r.Ctx.Status(status).JSON(finalPayload)
}

// 禁止访问响应
func (r Result) Forbidden(msg string) error {
	return r.response(fiber.StatusForbidden, fiber.StatusForbidden, msg)
}

// 操作出错（未成功）响应
func (r Result) Failure(code int, msg string) error {
	return r.response(fiber.StatusInternalServerError, code, msg)
}

// 操作出错（未成功）响应
func (r Result) Error(code int, msg string) error {
	return r.response(fiber.StatusOK, code, msg)
}

// 不能解析传入的参数
func (r Result) UnableToParse(msg string) error {
	return r.response(fiber.StatusInternalServerError, fiber.StatusInternalServerError, msg)
}

// 用户未获得授权）响应
func (r *Result) Unauthorized(msg string) error {
	return r.response(fiber.StatusUnauthorized, fiber.StatusUnauthorized, msg)
}

// 简易操作成功信息
func (r *Result) Success(msg string, payloads ...map[string]interface{}) error {
	return r.response(fiber.StatusOK, fiber.StatusOK, msg, payloads...)
}

// 数据成功创建
func (r Result) Created(msg string, payloads ...map[string]interface{}) error {
	return r.response(fiber.StatusCreated, fiber.StatusCreated, msg, payloads...)
}

// 数据成功更新
func (r Result) Updated(msg string, payloads ...map[string]interface{}) error {
	return r.response(fiber.StatusAccepted, fiber.StatusAccepted, msg, payloads...)
}

// 数据已成功删除
func (r Result) Deleted(msg string) error {
	return r.response(fiber.StatusNoContent, fiber.StatusNoContent, msg)
}

// 指定操作未被接受
func (r Result) BadRequest(msg string) error {
	return r.response(fiber.StatusBadRequest, fiber.StatusBadRequest, msg)
}

// 指定操作未被接受
func (r Result) NotAccept(msg string) error {
	return r.response(fiber.StatusNotAcceptable, fiber.StatusNotAcceptable, msg)
}

// 数据未找到
func (r Result) NotFound(msg string) error {
	return r.response(fiber.StatusNotFound, fiber.StatusNotFound, msg)
}

// 数据存在冲突
func (r Result) Conflict(msg string) error {
	return r.response(fiber.StatusConflict, fiber.StatusConflict, msg)
}

// 快速自由JSON格式响应
// ! 注意，给定的map中，同名的键会被覆盖。
func (r Result) Json(code int, msg string, payloads ...map[string]interface{}) error {
	return r.response(fiber.StatusOK, code, msg, payloads...)
}

func NewPagedResponse(page int, total int64) *PagedResponse {
	return &PagedResponse{page, config.ServiceSettings.ItemsPageSize, total}
}

func (r PagedResponse) ToMap() map[string]interface{} {
	return fiber.Map{
		"current":  r.Page,
		"pageSize": r.Size,
		"total":    r.Total,
	}
}