package main

import (
	"flag"
	"log"
	"os"
	"path/filepath"

	"git.meatbag.se/varl/subsyt/internal/config"
	"git.meatbag.se/varl/subsyt/internal/dl"
	"git.meatbag.se/varl/subsyt/internal/metadata"
	"git.meatbag.se/varl/subsyt/internal/opml"
	"git.meatbag.se/varl/subsyt/internal/scheduler"
)

func run(cfg config.Config) {
	provider := cfg.Provider["youtube"]

	opml, err := opml.Load(provider.Opml_file)
	if err != nil {
		panic(err)
	}

	for _, outlines := range opml.Body.Outline {
		log.Printf("Archiving videos from OPML: %s\n", outlines.Title)

		for _, outline := range outlines.Outlines {
			dl.Youtube(dl.Download{
				Url:    outline.XmlUrl,
				OutDir: filepath.Join(cfg.Out_dir, outline.Title),
				DryRun: cfg.Dry_run,
			}, provider)

			metadata.Generate(cfg.Out_dir, outline.Title, cfg.Dry_run)
		}
	}
}

func main() {
	configPtr := flag.String("config", "", "path to config file")
	flag.Parse()

	configEnv := os.Getenv("CONFIG")

	var configPath string
	if *configPtr != "" {
		configPath = *configPtr
	} else if configEnv != "" {
		configPath = configEnv
	} else {
		configPath = "./config.toml"
	}

	log.Println("resolved config file", configPath)

	cfg, err := config.Load(configPath)
	if err != nil {
		panic(err)
	}

	s := scheduler.Scheduler{}
	s.Start(run, cfg)
}