package user

import (
	"nixcn-cms/data"
	"nixcn-cms/internal/exception"
	"nixcn-cms/utils"
	"strconv"

	"github.com/gin-gonic/gin"
)

func List(c *gin.Context) {
	// Get limit and offset from query
	limit, ok := c.GetQuery("limit")
	if !ok {
		limit = "0"
	}
	offset, ok := c.GetQuery("offset")
	if !ok {
		errorCode := new(exception.Builder).
			SetStatus(exception.ErrorStatusClient).
			SetService(exception.UserService).
			SetEndpoint(exception.UserListEndpoint).
			SetType(exception.ErrorTypeCommon).
			SetOriginal(exception.CommonErrorInvalidInput).
			Build()
		utils.HttpResponse(c, 400, errorCode)
		return
	}

	// Parse string to int64
	limitNum, err := strconv.ParseInt(limit, 10, 64)
	if err != nil {
		errorCode := new(exception.Builder).
			SetStatus(exception.ErrorStatusClient).
			SetService(exception.UserService).
			SetEndpoint(exception.UserListEndpoint).
			SetType(exception.ErrorTypeCommon).
			SetOriginal(exception.CommonErrorInvalidInput).
			Build()
		utils.HttpResponse(c, 400, errorCode)
		return
	}
	offsetNum, err := strconv.ParseInt(offset, 10, 64)
	if err != nil {
		errorCode := new(exception.Builder).
			SetStatus(exception.ErrorStatusClient).
			SetService(exception.UserService).
			SetEndpoint(exception.UserListEndpoint).
			SetType(exception.ErrorTypeCommon).
			SetOriginal(exception.CommonErrorInvalidInput).
			Build()
		utils.HttpResponse(c, 400, errorCode)
		return
	}

	// Get user list from search engine
	list, err := new(data.User).FastListUsers(limitNum, offsetNum)
	if err != nil {
		errorCode := new(exception.Builder).
			SetStatus(exception.ErrorStatusServer).
			SetService(exception.UserService).
			SetEndpoint(exception.UserListEndpoint).
			SetType(exception.ErrorTypeSpecific).
			SetOriginal(exception.UserListMeilisearchFailed).
			Build()
		utils.HttpResponse(c, 500, errorCode)
	}

	userListResp := struct {
		List *[]data.UserSearchDoc `json:"list"`
	}{list}
	utils.HttpResponse(c, 200, "", "success", userListResp)
}