package Api

import (
	"encoding/json"
	"log"
	"net/http"
	"net/url"
	"strconv"

	"git.tovijaeschke.xyz/tovi/SuddenImpactRecords/Database"
	"git.tovijaeschke.xyz/tovi/SuddenImpactRecords/Models"
	"git.tovijaeschke.xyz/tovi/SuddenImpactRecords/Util"
)

func getFrontPagePosts(w http.ResponseWriter, r *http.Request) {
	var (
		posts      []Models.Post
		returnJson []byte
		err        error
	)

	posts, err = Database.GetFrontPagePosts()
	if err != nil {
		log.Printf("An error occured: %s\n", err.Error())
		Util.JsonReturn(w, 500, "An error occured")
		return
	}

	returnJson, err = json.MarshalIndent(posts, "", "  ")
	if err != nil {
		Util.JsonReturn(w, 500, "An error occured")
		return
	}

	// Return updated json
	w.WriteHeader(http.StatusOK)
	w.Write(returnJson)
}

func getPostsPublic(w http.ResponseWriter, r *http.Request) {
	var (
		posts          []Models.Post
		returnJson     []byte
		values         url.Values
		page, pageSize int
		search         string
		err            error
	)

	values = r.URL.Query()

	page, err = strconv.Atoi(values.Get("page"))
	if err != nil {
		log.Println("Could not parse page url argument")
		Util.JsonReturn(w, 500, "An error occured")
		return
	}

	pageSize, err = strconv.Atoi(values.Get("pageSize"))
	if err != nil {
		log.Println("Could not parse pageSize url argument")
		Util.JsonReturn(w, 500, "An error occured")
		return
	}

	search = values.Get("search")

	posts, err = Database.GetPostsPublic(page, pageSize, search)
	if err != nil {
		log.Printf("An error occured: %s\n", err.Error())
		Util.JsonReturn(w, 500, "An error occured")
		return
	}

	if len(posts) == 0 {
		Util.JsonReturn(w, 404, "No more data")
		return
	}

	returnJson, err = json.MarshalIndent(posts, "", "  ")
	if err != nil {
		Util.JsonReturn(w, 500, "An error occured")
		return
	}

	// Return updated json
	w.WriteHeader(http.StatusOK)
	w.Write(returnJson)
}

func getPostPublic(w http.ResponseWriter, r *http.Request) {
	var (
		postData   Models.Post
		returnJson []byte
		id         string
		err        error
	)

	id, err = Util.GetPostId(r)
	if err != nil {
		Util.JsonReturn(w, 500, "An error occured")
		return
	}

	postData, err = Database.GetPostByIdPublic(id)
	if err != nil {
		Util.JsonReturn(w, 404, "Not found")
		return
	}

	returnJson, err = json.MarshalIndent(postData, "", "  ")
	if err != nil {
		Util.JsonReturn(w, 500, "An error occured")
		return
	}

	// Return updated json
	w.WriteHeader(http.StatusOK)
	w.Write(returnJson)
}