/*
 * Copyright (C) 2024 Jonni Liljamo <jonni@liljamo.com>
 *
 * This file is licensed under AGPL-3.0-or-later, see NOTICE and LICENSE for
 * more information.
 */

// Package api implements API route handlers.
package api

import (
	"net/http"

	"git.src.quest/~skye/felu-ddns/internal/db"
	"git.src.quest/~skye/felu-ddns/internal/util"
	"github.com/gin-gonic/gin"
)

// UpdateA updates an A record based on query params.
func UpdateA() gin.HandlerFunc {
	return func(c *gin.Context) {
		domain := c.Query("domain")
		if domain == "" {
			c.JSON(http.StatusBadRequest, gin.H{
				"status": "error",
				"error":  "no domain was provided",
			})
			c.Abort()
			return
		}

		apiKey := c.Query("api_key")
		if apiKey == "" {
			c.JSON(http.StatusBadRequest, gin.H{
				"status": "error",
				"error":  "no api key was provided",
			})
			c.Abort()
			return
		}

		aRecord := c.Query("record")
		if aRecord == "" {
			aRecord = c.ClientIP()
		}

		if err := util.CheckARecord(aRecord); err != nil {
			c.JSON(http.StatusBadRequest, gin.H{
				"status": "error",
				"error":  err.Error(),
			})
			c.Abort()
			return
		}

		err := db.UpdateDomainARecord(domain, apiKey, aRecord)
		if err != nil {
			// FIXME: Handle better, "bad api key" is just the most likely scenario
			c.JSON(http.StatusBadRequest, gin.H{
				"status": "error",
				"error":  "bad api key",
			})
			c.Abort()
			return
		}

		c.JSON(http.StatusOK, gin.H{
			"status":   "success",
			"a_record": aRecord,
		})
	}
}