package controllers

import (
	"net/http"

	"github.com/gin-gonic/gin"
	"github.com/miekg/dns"

	"code.crute.me/mcrute/go_ddns_manager/bind"
	"code.crute.me/mcrute/go_ddns_manager/util"
	"code.crute.me/mcrute/go_ddns_manager/web/middleware"
)

func DnsManageRoot(c *gin.Context) {
	c.IndentedJSON(http.StatusOK, gin.H{
		"_rels": gin.H{
			"zones": util.MakeURL(c.Request, "/dns/zone").String(),
			"views": util.MakeURL(c.Request, "/dns/view").String(),
		},
	})
}

func DnsViews(c *gin.Context) {
	cfg := middleware.GetServerConfig(c)
	out := map[string]map[string]string{}

	for _, v := range cfg.BindConfig.Views() {
		k := map[string]string{}
		out[v] = k
		for _, z := range cfg.BindConfig.ZonesInView(v) {
			zn := bind.DeCanonicalize(z.Name)
			k[zn] = util.MakeURL(c.Request, "/dns/zone/%s/%s", v, zn).String()
		}
	}

	c.IndentedJSON(http.StatusOK, gin.H{"views": out})
}

func DnsZones(c *gin.Context) {

}

func DnsZoneDetails(c *gin.Context) {
	cfg := middleware.GetServerConfig(c)

	z := cfg.BindConfig.Zone(c.Param("view"), c.Param("name"))
	if z == nil {
		c.JSON(http.StatusNotFound, gin.H{
			"error": "Zone not found",
		})
		return
	}

	envs := []*dns.Envelope{}
	ec, err := cfg.DNSClient.AXFR(z)
	if err != nil {
		c.JSON(http.StatusInternalServerError, gin.H{
			"error": err.Error(),
		})
		return
	}

	for e := range ec {
		envs = append(envs, e)
	}

	c.JSON(http.StatusOK, envs)
}