// Copyright (c) 2020 Proton Technologies AG
//
// This file is part of ProtonMail Bridge.
//
// ProtonMail Bridge 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.
//
// ProtonMail Bridge 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 ProtonMail Bridge.  If not, see <https://www.gnu.org/licenses/>.

// +build !nogui

package qtie

import "github.com/ProtonMail/proton-bridge/internal/transfer"

// wrapper for QML
func (f *FrontendQt) setupAndLoadForImport(isFromIMAP bool, sourcePath, sourceEmail, sourcePassword, sourceServer, sourcePort, targetAddress string) {
	var err error
	defer func() {
		if err != nil {
			f.showError(err)
			f.Qml.ImportStructuresLoadFinished(false)
		} else {
			f.Qml.ImportStructuresLoadFinished(true)
		}
	}()

	if isFromIMAP {
		f.transfer, err = f.ie.GetRemoteImporter(targetAddress, sourceEmail, sourcePassword, sourceServer, sourcePort)
		if err != nil {
			return
		}
	} else {
		f.transfer, err = f.ie.GetLocalImporter(targetAddress, sourcePath)
		if err != nil {
			return
		}
	}

	if err := f.loadStructuresForImport(); err != nil {
		return
	}
}

func (f *FrontendQt) loadStructuresForImport() error {
	f.PMStructure.Clear()
	targetMboxes, err := f.transfer.TargetMailboxes()
	if err != nil {
		return err
	}
	for _, mbox := range targetMboxes {
		rule := &transfer.Rule{}
		f.PMStructure.addEntry(newFolderInfo(mbox, rule))
	}

	f.ExternalStructure.Clear()
	sourceMboxes, err := f.transfer.SourceMailboxes()
	if err != nil {
		return err
	}
	for _, mbox := range sourceMboxes {
		rule := f.transfer.GetRule(mbox)
		f.ExternalStructure.addEntry(newFolderInfo(mbox, rule))
	}

	f.ExternalStructure.transfer = f.transfer

	return nil
}

func (f *FrontendQt) StartImport(email string) { // TODO email not needed
	f.Qml.SetProgressDescription("init") // TODO use const
	f.Qml.SetProgressFails(0)
	f.Qml.SetProgress(0.0)
	f.Qml.SetTotal(1)
	f.Qml.SetImportLogFileName("")
	f.ErrorList.Clear()

	progress := f.transfer.Start()
	f.setProgressManager(progress)
}