package main

import (
	"log"
	"os"
	"io"
	"strings"

	"encoding/json"
	"html/template"
	"net/http"

	"git.sr.ht/~jordyn/imagination/figtree"
)

func main() {
	fs := http.FileServer(http.Dir(figtree.FIGS))
	http.Handle("/imagination/", http.StripPrefix("/imagination/", fs))
	css := http.FileServer(http.Dir("css/"))
	http.Handle("/style/", http.StripPrefix("/style/", css))
	http.HandleFunc("/", homeHandler)
	http.HandleFunc("/fig/", figHandler)
	http.HandleFunc("/all/", seeFigs)
	http.HandleFunc("/dry/", dryHandler)
	log.Fatal(http.ListenAndServe(":8080", nil))
}

func homeHandler(w http.ResponseWriter, r *http.Request) {
	page := template.Must(template.ParseFiles("pages/home.html"))
	if err := page.Execute(w, nil); err != nil {
		panic(err)
	}
}

func figHandler(w http.ResponseWriter, r *http.Request) {
	r.ParseMultipartForm(32 << 20)
	var figstuff io.Reader
	file, _, err := r.FormFile("newfigfile")
	if err != nil {
		figtxt := r.FormValue("newfigtxt")
		if len(figtxt) == 0 {
			panic(err)
		}
		figstuff = strings.NewReader(figtxt)
	} else {
		defer file.Close()
	}

	fighome, newfig, err := figtree.HarvestFig(
		r.FormValue("name"),
		r.FormValue("desc"),
		r.FormValue("type"),
		r.FormValue("ext"),
		r.FormValue("birth"))

	log.Println("blooming " + fighome)

	f, err := os.Create(fighome)
	if err != nil {
		panic(err)
	}

	err = os.Chmod(fighome, 0666)

	if err != nil {
		panic(err)
	}

	defer f.Close()
	if file != nil {
		io.Copy(f, file)
	} else {
		io.Copy(f, figstuff)
	}

	figtree.DryFig(newfig)

	page := template.Must(template.ParseFiles("pages/driedfig.html"))

	fancyfig := newfig.Fancy()

	if err := page.Execute(w, fancyfig); err != nil {
		panic(err)
	}
}

func allHandler(w http.ResponseWriter, r *http.Request) {
	figs, _ := figtree.AllFigsFancy()
	json.NewEncoder(w).Encode(figs)
}

func seeFigs(w http.ResponseWriter, r *http.Request) {
	figs, _ := figtree.AllFigsFancy()
	page := template.Must(template.ParseFiles("pages/allfigs.html"))
	if err := page.Execute(w, figs); err != nil {
		panic(err)
	}
}

func dryHandler(w http.ResponseWriter, r *http.Request) {
	page := template.Must(template.ParseFiles("pages/dryfig.html"))
	if err := page.Execute(w, nil); err != nil {
		panic(err)
	}
}