package main

import (
	"api/src/middleware"
	"api/src/utils"
	"api/src/workout"

	"database/sql"
	"log"
	"net/http"

	_ "github.com/mattn/go-sqlite3"
	"github.com/prometheus/client_golang/prometheus/promhttp"
)

func main() {
	log.Println("Starting server...")

	db, err := sql.Open("sqlite3", "./data.db")
	if err != nil {
		log.Fatal("Could not open Database data.db: ", err)
	}
	defer db.Close()

	utils.RunMigrations(db)

	var prometheusServer = http.Server{
		Addr:    ":8081",
		Handler: promhttp.Handler(),
	}
	go func() {
		log.Println("Starting prometheus server at", prometheusServer.Addr)
		err := prometheusServer.ListenAndServe()
		if err != nil {
			panic(err)
		}
	}()

	var router = getRouter(db)
	var server = http.Server{
		Addr:    ":8080",
		Handler: middleware.Logging(middleware.EnableCors(middleware.EnsureAuth(router))),
	}
	log.Println("Starting server at", server.Addr)

	err = server.ListenAndServe()
	if err != nil {
		panic(err)
	}
}

func getRouter(db *sql.DB) *http.ServeMux {
	var router = http.NewServeMux()
	router.HandleFunc("POST /workout", workout.NewWorkout(db))
	router.HandleFunc("GET /workout", workout.GetWorkouts(db))
	router.HandleFunc("DELETE /workout", workout.DeleteWorkout(db))
	return router
}