package api

import (
	"net/http"

	"codespace/internal/util"
	"codespace/pkg/response"

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

// writeError maps a service-layer error to an HTTP JSON error response.
func writeError(c *gin.Context, err error) {
	code := util.CodeOf(err)
	var status int
	switch code {
	case util.CodeBadRequest:
		status = http.StatusBadRequest
	case util.CodeNotFound:
		status = http.StatusNotFound
	case util.CodeConflict:
		status = http.StatusConflict
	default:
		status = http.StatusInternalServerError
	}
	msg := http.StatusText(status)
	if err != nil {
		msg = err.Error()
	}
	c.JSON(status, response.ErrorBody{Error: response.ErrorDetail{
		Code:    string(code),
		Message: msg,
	}})
}

// writeBadRequest is a shorthand for 400 responses without a service error.
func writeBadRequest(c *gin.Context, message string) {
	c.JSON(http.StatusBadRequest, response.ErrorBody{Error: response.ErrorDetail{
		Code:    string(util.CodeBadRequest),
		Message: message,
	}})
}