/*
   Nging is a toolbox for webmasters
   Copyright (C) 2018-present  Wenhui Shen <swh@admpub.com>

   This program is free software: you can redistribute it and/or modify
   it under the terms of the GNU Affero General Public License as published
   by the Free Software Foundation, either version 3 of the License, or
   (at your option) any later version.

   This program is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   GNU Affero General Public License for more details.

   You should have received a copy of the GNU Affero General Public License
   along with this program.  If not, see <https://www.gnu.org/licenses/>.
*/

package config

import (
	"path/filepath"
	"strings"
	"time"
)

type System struct {
	VhostsfileDir          string            `json:"vhostsfileDir"`
	AllowIP                []string          `json:"allowIP"`
	SSLAuto                bool              `json:"sslAuto"`
	SSLEmail               string            `json:"sslEmail"`
	SSLHosts               []string          `json:"sslHosts"`
	SSLCacheDir            string            `json:"sslCacheDir"`
	SSLKeyFile             string            `json:"sslKeyFile"`
	SSLCertFile            string            `json:"sslCertFile"`
	EditableFileExtensions map[string]string `json:"editableFileExtensions"`
	EditableFileMaxSize    string            `json:"editableFileMaxSize"`
	EditableFileMaxBytes   int64             `json:"editableFileMaxBytes"`
	PlayableFileExtensions map[string]string `json:"playableFileExtensions"`
	ErrorPages             map[int]string    `json:"errorPages"`
	CmdTimeout             string            `json:"cmdTimeout"`
	CmdTimeoutDuration     time.Duration     `json:"-"`
	ShowExpirationTime     int64             `json:"showExpirationTime"` //显示过期时间：0为始终显示；大于0为距离剩余到期时间多少秒的时候显示；小于0为不显示
	SessionName            string            `json:"sessionName"`
}

func (sys *System) Editable(fileName string) (string, bool) {
	if sys.EditableFileExtensions == nil {
		return "", false
	}
	ext := strings.TrimPrefix(filepath.Ext(fileName), `.`)
	ext = strings.ToLower(ext)
	typ, ok := sys.EditableFileExtensions[ext]
	return typ, ok
}

func (sys *System) Playable(fileName string) (string, bool) {
	if sys.PlayableFileExtensions == nil {
		sys.PlayableFileExtensions = map[string]string{
			`mp4`:  `video/mp4`,
			`m3u8`: `application/x-mpegURL`,
			//`ts`:   `video/MP2T`,
		}
	}
	ext := strings.TrimPrefix(filepath.Ext(fileName), `.`)
	ext = strings.ToLower(ext)
	typ, ok := sys.PlayableFileExtensions[ext]
	return typ, ok
}