discordo/config.go

package main

import (
	"os"

	"github.com/BurntSushi/toml"
)

const userAgent = "" +
	"Mozilla/5.0 (X11; Linux x86_64) " +
	"AppleWebKit/537.36 (KHTML, like Gecko) " +
	"Chrome/92.0.4515.131 Safari/537.36"

type keybindingsChannelsTree struct {
	Focus string
}

type keybindingsMessagesView struct {
	Focus          string
	SelectPrevious string
	SelectNext     string
	SelectFirst    string
	SelectLast     string
	Reply          string
	ReplyMention   string
}

type keybindingsMessageInputField struct {
	Focus string
}

type keybindings struct {
	ChannelsTree      keybindingsChannelsTree
	MessagesView      keybindingsMessagesView
	MessageInputField keybindingsMessageInputField
}

type themeBackground struct {
	// Main background color for primitives.
	Primitive string
	// Background color for contrasting elements.
	Contrast string
	// Background color for even more contrasting elements.
	MoreContrast string
}

type themeText struct {
	// Primary text.
	Primary string
	// Secondary text (e.g. labels).
	Secondary string
	// Tertiary text (e.g. subtitles, notes).
	Tertiary string
	// Text on primary-colored backgrounds.
	Inverse string
	// Secondary text on ContrastBackgroundColor-colored backgrounds.
	ContrastSecondary string
}

type theme struct {
	// Box borders.
	Border string
	// Box titles.
	Title string
	// Graphics.
	Graphics string

	Background themeBackground
	Text       themeText
}

type config struct {
	Token            string
	Mouse            bool
	Notifications    bool
	UserAgent        string
	GetMessagesLimit int
	Theme            theme
	Keybindings      keybindings
}

func loadConfig() *config {
	configPath, err := os.UserConfigDir()
	if err != nil {
		panic(err)
	}

	configPath += "/discordo.toml"

	var c config
	if _, err = os.Stat(configPath); os.IsNotExist(err) {
		f, err := os.Create(configPath)
		if err != nil {
			panic(err)
		}
		defer f.Close()

		c.Mouse = true
		c.Notifications = true
		c.UserAgent = userAgent
		c.GetMessagesLimit = 50
		c.Theme = theme{
			Border:   "white",
			Title:    "white",
			Graphics: "white",
			Background: themeBackground{
				Primitive:    "black",
				Contrast:     "blue",
				MoreContrast: "green",
			},
			Text: themeText{
				Primary:           "white",
				Secondary:         "yellow",
				Tertiary:          "green",
				Inverse:           "blue",
				ContrastSecondary: "darkcyan",
			},
		}
		c.Keybindings = keybindings{
			ChannelsTree: keybindingsChannelsTree{
				Focus: "Alt+Rune[1]",
			},
			MessagesView: keybindingsMessagesView{
				Focus:          "Alt+Rune[2]",
				SelectPrevious: "Up",
				SelectNext:     "Down",
				SelectFirst:    "Home",
				SelectLast:     "End",
				Reply:          "Rune[r]",
				ReplyMention:   "Rune[R]",
			},
			MessageInputField: keybindingsMessageInputField{
				Focus: "Alt+Rune[3]",
			},
		}

		err = toml.NewEncoder(f).Encode(c)
		if err != nil {
			panic(err)
		}
	} else {
		_, err = toml.DecodeFile(configPath, &c)
		if err != nil {
			panic(err)
		}
	}

	return &c
}