package config

import (
	"io/ioutil"
	"os"

	polochon "github.com/odwrtw/polochon/lib"
	polochonConfig "github.com/odwrtw/polochon/lib/configuration"
	"github.com/sirupsen/logrus"

	"gopkg.in/yaml.v2"
)

// Config represents the Config of the canape app
type Config struct {
	Authorizer      AuthorizerConfig      `yaml:"authorizer"`
	PGDSN           string                `yaml:"pgdsn"`
	Port            string                `yaml:"listen_port"`
	PublicDir       string                `yaml:"public_dir"`
	ImgURLPrefix    string                `yaml:"img_url_prefix"`
	PeriodicRefresh PeriodicRefreshConfig `yaml:"periodic_refresh"`

	MovieExplorers  []polochon.Explorer
	MovieDetailers  []polochon.Detailer
	MovieTorrenters []polochon.Torrenter
	MovieSearchers  []polochon.Searcher

	ShowExplorers  []polochon.Explorer
	ShowDetailers  []polochon.Detailer
	ShowTorrenters []polochon.Torrenter
	ShowSearchers  []polochon.Searcher
}

// AuthorizerConfig is the config for the authentication
type AuthorizerConfig struct {
	Pepper string `yaml:"pepper"`
	Cost   int    `yaml:"cost"`
	Secret string `yaml:"secret"`
}

// PeriodicRefreshConfig is the config for the periodic refresh
type PeriodicRefreshConfig struct {
	Enabled  bool   `yaml:"enabled"`
	Interval string `yaml:"interval"`
}

// Load loads a config file from a path and return a Config object
func Load(path string, log *logrus.Entry) (*Config, error) {
	// Open the file
	file, err := os.Open(path)
	if err != nil {
		return nil, err
	}
	defer file.Close()

	cf := &Config{}
	polochonCf := &polochonConfig.ConfigFileRoot{}

	// Read it
	b, err := ioutil.ReadAll(file)
	if err != nil {
		return nil, err
	}

	// Unmarshal its content into the Config obj
	err = yaml.Unmarshal(b, cf)
	if err != nil {
		return nil, err
	}

	// Unmarshal its content into the polochon.ConfigFileRoot obj
	err = yaml.Unmarshal(b, polochonCf)
	if err != nil {
		return nil, err
	}

	// Init all the show torrenters / detailers / searchers / explorers
	showConf, err := polochonCf.InitShow(log)
	if err != nil {
		return nil, err
	}
	cf.ShowTorrenters = showConf.Torrenters
	cf.ShowDetailers = showConf.Detailers
	cf.ShowSearchers = showConf.Searchers
	cf.ShowExplorers = showConf.Explorers

	// Init all the movie torrenters / detailers / searchers / explorers
	movieConf, err := polochonCf.InitMovie(log)
	if err != nil {
		return nil, err
	}
	cf.MovieTorrenters = movieConf.Torrenters
	cf.MovieDetailers = movieConf.Detailers
	cf.MovieSearchers = movieConf.Searchers
	cf.MovieExplorers = movieConf.Explorers

	return cf, nil
}