// This file is part of beagles.
//
// Copyright © 2020 Chris Palmer <chris@red-oxide.org>
//
// This program 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
// (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 General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program. If not, see <http://www.gnu.org/licenses/>.

package main

import (
	"bytes"
	"io/ioutil"
	"os"
	"path/filepath"

	"github.com/BurntSushi/toml"
	wlog "github.com/DataDrake/waterlog"
)

var (
	// Version of the application
	Version string

	// ConfigDir is the path defined during build i.e. ~/.config/beagles
	ConfigDir string

	// ShareDir is the path defined during build i.e. ~/usr/local/share/beagles
	// ShareDir string

	// CacheDir is the path defined during build i.e. ~/.cache/beagles
	CacheDir string
)

func main() {
	path := filepath.Clean(filepath.Join(CacheDir, "beagles.db"))
	db, err := ReadDB(path)
	if err != nil {
		wlog.Fatal(err.Error())
	}

	theme := readConfig()

	i := initUI(db, theme)

	for x, item := range db.Queue {
		if x == 0 {
			i.Content.setText(item.Item.Link, item.Item.Content)
		}
		i.List.add(item.Item)
	}

	if err := i.App.run(i.Pages, true); err != nil {
		wlog.Fatal(err.Error())
	}
}

func readConfig() themeType {
	cltheme := &commandLineTheme{
		BackgroundColor: "transparent",
		ForegroundColor: "#d8dee9",
	}

	cnttheme := &contentTheme{
		BackgroundColor: "transparent",
		ForegroundColor: "#e5e9f0",
	}

	htheme := &helpTheme{
		BackgroundColor: "transparent",
		ForegroundColor: "#e5e9f0",
	}

	ltheme := &listTheme{
		BackgroundColor: "transparent",
		ForegroundColor: "#e5e9f0",
	}

	dtheme := themeType{
		BackgroundColor: "#88c0d0",
		ForegroundColor: "#2e3440",
		ErrorColor:      "#bf616a",
		Separator:       "#88c0d0",
		CommandLine:     cltheme,
		Content:         cnttheme,
		List:            ltheme,
		Help:            htheme,
	}

	path := filepath.Clean(filepath.Join(ConfigDir, "config.toml"))
	if _, err := os.Stat(path); os.IsNotExist(err) {
		buf := &bytes.Buffer{}
		if err := toml.NewEncoder(buf).Encode(&dtheme); err != nil {
			return dtheme
		}

		if err := ioutil.WriteFile(filepath.Clean(path), buf.Bytes(), 0600); err != nil {
			return dtheme
		}
		return dtheme
	}

	cfg, err := ioutil.ReadFile(filepath.Clean(path))
	if err != nil {
		return dtheme
	}

	theme := themeType{}
	if err := toml.Unmarshal(cfg, &theme); err != nil {
		return dtheme
	}

	return theme
}