package main

import (
	"battlecamp-go-server/board"
	"log"
	"net/http"
	"runtime"

	"github.com/julienschmidt/httprouter"
)

func main() {
	runtime.GOMAXPROCS(runtime.NumCPU())

	router := httprouter.New()
	router.GET("/", indexHandler)
	router.GET("/games", gameListHandler)
	router.PUT("/games", createGameHandler)
	router.PUT("/games/:rows/:cols", createGameHandler)
	router.GET("/games/:id", gameHandler)
	router.GET("/games/board/:id", boardHandler)
	router.GET("/games/:id/players", playerListHandler)
	// TODO: /games/{id}/players/{playerId}
	router.POST("/games/:id/move/:playerId/:direction", moveHandler)

	log.Fatal(http.ListenAndServe(":8080", router))
}

func indexHandler(w http.ResponseWriter, r *http.Request, _ httprouter.Params) {
	w.Write([]byte("Go battlecamp!"))
}

func gameListHandler(w http.ResponseWriter, r *http.Request, _ httprouter.Params) {
	http.Error(w, "Not implemented", http.StatusNotImplemented)
}

func createGameHandler(w http.ResponseWriter, r *http.Request, ps httprouter.Params) {
	http.Error(w, "Not implemented", http.StatusNotImplemented)
}

func gameHandler(w http.ResponseWriter, r *http.Request, ps httprouter.Params) {
	
	http.Error(w, "Not implemented", http.StatusNotImplemented)
}

func playerListHandler(w http.ResponseWriter, r *http.Request, ps httprouter.Params) {
	http.Error(w, "Not implemented", http.StatusNotImplemented)
}

func moveHandler(w http.ResponseWriter, r *http.Request, ps httprouter.Params) {
	http.Error(w, "Not implemented", http.StatusNotImplemented)
}

// Request params: x={x}&y={y}&rows={rows}&cols={cols}
func boardHandler(w http.ResponseWriter, req *http.Request) {
	x, _ := atoi(req.FormValue("x"))
	y, _ := atoi(req.FormValue("y"))
	rows, _ := atoi(req.FormValue("rows"))
	cols, _ := atoi(req.FormValue("cols"))
	b := board.New(56, 35)
	w.Header().Set("Content-Type", "text/plain;charset=utf-8")
	b.WriteJSON(w)
}