package main

import (
	"log"
	"net/http"
)

func webServer() {

	// Page Handlers
	// Anything that is responsible for the base elements of a viewable web page
	http.HandleFunc("/", homePageHandler)
	http.HandleFunc("/status", statusHandler)

	// Start web server
	log.Print("Service listening on :8080")
	log.Printf("Web server unexpectedly exiting!: %v", http.ListenAndServe(":8080", nil))
}

type homePageData struct {
	BudgetID string
}

func homePageHandler(w http.ResponseWriter, r *http.Request) {
	go refreshData()
	pageData := &homePageData{BudgetID: ynabClient.BudgetID}
	err := t.ExecuteTemplate(w, "home.html", pageData)
	if err != nil {
		log.Printf("error executing home.html template: %v", err)
	}

}

// Returns status 200 if a refresh is not running, otherwise waits for refresh to finish
// Can be used by clients to tell when a refresh finishes
func statusHandler(w http.ResponseWriter, r *http.Request) {
	refreshRunning.Lock()
	w.WriteHeader(http.StatusOK)
	refreshRunning.Unlock()
}