package config

import (
	"io/ioutil"
	"os"

	polochon "github.com/odwrtw/polochon/lib"
	"github.com/odwrtw/polochon/modules/tmdb"

	"gopkg.in/yaml.v2"
)

type Config struct {
	Authorizer      AuthorizerConfig `yaml:"authorizer"`
	PGDSN           string           `yaml:"pgdsn"`
	Port            string           `yaml:"listen_port"`
	TraktTVClientID string           `yaml:"trakttv_client_id"`
	PublicDir       string           `yaml:"public_dir"`

	// TODO improve the detailers configurations
	TmdbAPIKey     string `yaml:"tmdb_api_key"`
	MovieDetailers []polochon.Detailer
}

type AuthorizerConfig struct {
	Pepper string `yaml:"pepper"`
	Cost   int    `yaml:"cost"`
	Secret string `yaml:"secret"`
}

func Load(path string) (*Config, error) {
	file, err := os.Open(path)
	if err != nil {
		return nil, err
	}
	defer file.Close()

	cf := &Config{}

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

	err = yaml.Unmarshal(b, cf)
	if err != nil {
		return nil, err
	}

	cf.MovieDetailers = []polochon.Detailer{}
	if cf.TmdbAPIKey != "" {
		d, err := tmdb.New(&tmdb.Params{cf.TmdbAPIKey})
		if err != nil {
			return nil, err
		}
		cf.MovieDetailers = append(cf.MovieDetailers, d)
	}

	return cf, nil
}