package main

import (
	"log"
	"os"
	"ssender/internal/config"
	"ssender/internal/db"
	"ssender/internal/rss"
	"ssender/internal/send"

	"github.com/jessevdk/go-flags"
)

type Options struct {
	FileParse  string `short:"f" long:"fileparse" description:"File for parse (rss xml)" required:"true"`
	ConfigPath string `short:"c" long:"configpath" description:"Config file path"`
	InitDB     bool   `short:"i" long:"initdb" description:"Run initialize from current file"`
}

var (
	ConfigPath = "/etc/ssender/config.yml"
)

func main() {
	log.Println("Run processing")
	// Parse flags
	var options Options
	var parser = flags.NewParser(&options, flags.Default)
	if _, err := parser.Parse(); err != nil {
		switch flagsErr := err.(type) {
		case flags.ErrorType:
			if flagsErr == flags.ErrHelp {
				os.Exit(0)
			}
			os.Exit(1)
		default:
			os.Exit(1)
		}
	}
	log.Println("Flags processed")

	if options.ConfigPath == "" {
		log.Fatalf("Config path not found in options!")
	}
	log.Printf("Config from: %s\n", options.ConfigPath)
	ConfigPath = options.ConfigPath

	// Get config
	cfg, err := config.NewConfig(ConfigPath)
	if err != nil {
		log.Fatal(err)
	}
	log.Println("Config processed")

	// Parse rss file
	log.Printf("Parse file %s \n", options.FileParse)
	rss, err := rss.NewRSS(options.FileParse)
	if err != nil {
		log.Fatal(err)
	}

	if options.InitDB {
		err := db.InitDb(*rss, cfg.Dbpath)
		if err != nil {
			log.Fatal(err)
		}
	}

	//Find new items
	sendItems, err := db.FindItems(*rss, cfg.Dbpath)
	if err != nil {
		log.Fatal(err)
	}

	if len(sendItems.ItemList) > 0 {
		// Run send data depended on configuration options
		log.Println("Run send process")
		err := send.RunSend(sendItems, *cfg)
		if err != nil {
			log.Fatal(err)
		}
		// Run update db
		err = db.UpdateDb(cfg.Dbpath, sendItems)
		if err != nil {
			log.Fatal(err)
		}
	}

	log.Println("End processing")
}