// Copyright (c) 2025 Nikolai Papin
//
// This file is part of the Auto Attendance app that looks for
// self-attend QR-codes during lectures and opens their URLs in your
// browser.
//
// 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 <https://www.gnu.org/licenses/>.

package app

import (
	"sync"

	"git.weirdcat.su/weirdcat/auto-attendance/internal/browserlauncher"
	"git.weirdcat.su/weirdcat/auto-attendance/internal/config"
	"git.weirdcat.su/weirdcat/auto-attendance/internal/linkvalidator"
	"git.weirdcat.su/weirdcat/auto-attendance/internal/logger"
	"git.weirdcat.su/weirdcat/auto-attendance/internal/screencapturer"
	"git.weirdcat.su/weirdcat/auto-attendance/internal/vision"
)

type App interface {
	Init() error
	Start() error
	Stop() error
	Toggle() error
	ConsoleOutput() (string, error)
	UpdateConfig(string) error
}

type appImpl struct {
	config    *config.Config
	log       *logger.Logger
	capturer  screencapturer.ScreenCapturer
	vision    vision.Vision
	validator linkvalidator.LinkValidator
	launcher  browserlauncher.BrowserLauncher

	active bool
	stats  Stats
	mu     sync.Mutex
}

// ConsoleOutput implements App.
func (a *appImpl) ConsoleOutput() (string, error) {
	// TODO: Outputing stdout/logs content
	panic("unimplemented")
}

// Init implements App.
func (a *appImpl) Init() error {
	panic("unimplemented")
}

// Start implements App.
func (a *appImpl) Start() error {
	panic("unimplemented")
}

// Stop implements App.
func (a *appImpl) Stop() error {
	panic("unimplemented")
}

// Toggle implements App.
func (a *appImpl) Toggle() error {
	panic("unimplemented")
}

// UpdateConfig implements App.
func (a *appImpl) UpdateConfig(string) error {
	panic("unimplemented")
}

func NewApp(
	cfg *config.Config,
	log *logger.Logger,
	capt screencapturer.ScreenCapturer,
	vis vision.Vision,
	val linkvalidator.LinkValidator,
	launch browserlauncher.BrowserLauncher,
) App {
	return &appImpl{
		config:    cfg,
		log:       log,
		capturer:  capt,
		vision:    vis,
		validator: val,
		launcher:  launch,
		active:    false,
		stats:     Stats{},
	}
}