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//
//  rhimportd
//
//  The Radio Helsinki Rivendell Import Daemon
//
//
//  Copyright (C) 2015 Christian Pointner <equinox@helsinki.at>
//
//  This file is part of rhimportd.
//
//  rhimportd is free software: you can redistribute it and/or modify
//  it under the terms of the GNU General Public License as published by
//  the Free Software Foundation, either version 3 of the License, or
//  any later version.
//
//  rhimportd 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 General Public License for more details.
//
//  You should have received a copy of the GNU General Public License
//  along with rhimportd. If not, see <http://www.gnu.org/licenses/>.
//

package rhimport

import (
	"github.com/vaughan0/go-ini"
)

type ImportParamDefaults struct {
	Channels           uint
	NormalizationLevel int
	AutotrimLevel      int
	UseMetaData        bool
}

type Config struct {
	configfile      string
	RDXportEndpoint string
	TempDir         string
	db_host         string
	db_user         string
	db_passwd       string
	db_db           string
	LocalFetchDir   string
	ImportParamDefaults
}

func get_ini_value(file ini.File, section string, key string, dflt string) string {
	value, ok := file.Get(section, key)
	if ok {
		return value
	}
	return dflt
}

func (self *Config) read_config_file() error {
	file, err := ini.LoadFile(self.configfile)
	if err != nil {
		return err
	}

	self.db_host = get_ini_value(file, "mySQL", "Hostname", "localhost")
	self.db_user = get_ini_value(file, "mySQL", "Loginname", "rivendell")
	self.db_passwd = get_ini_value(file, "mySQL", "Password", "letmein")
	self.db_db = get_ini_value(file, "mySQL", "Database", "rivendell")
	return nil
}

func NewConfig(configfile, rdxport_endpoint, temp_dir, local_fetch_dir *string) (conf *Config, err error) {
	conf = new(Config)
	conf.configfile = *configfile
	if err = conf.read_config_file(); err != nil {
		return
	}
	conf.RDXportEndpoint = *rdxport_endpoint
	conf.TempDir = *temp_dir
	conf.LocalFetchDir = *local_fetch_dir
	conf.ImportParamDefaults.Channels = 2
	conf.ImportParamDefaults.NormalizationLevel = -12
	conf.ImportParamDefaults.AutotrimLevel = 0
	conf.ImportParamDefaults.UseMetaData = true
	return
}