// Copyright (c) 2021 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/>.

package message

type JobOptions struct {
	IgnoreDecryptionErrors bool // Whether to ignore decryption errors and create a "custom message" instead.
	SanitizeDate           bool // Whether to replace all dates before 1970 with RFC822's birthdate.
	AddInternalID          bool // Whether to include MessageID as X-Pm-Internal-Id.
	AddExternalID          bool // Whether to include ExternalID as X-Pm-External-Id.
	AddMessageDate         bool // Whether to include message time as X-Pm-Date.
	AddMessageIDReference  bool // Whether to include the MessageID in References.
}

type BuildJob struct {
	messageID string
	literal   []byte
	err       error

	done chan struct{}
}

func newBuildJob(messageID string) *BuildJob {
	return &BuildJob{
		messageID: messageID,
		done:      make(chan struct{}),
	}
}

// GetResult returns the build result or any error which occurred during building.
// If the result is not ready yet, it blocks.
func (job *BuildJob) GetResult() ([]byte, error) {
	<-job.done
	return job.literal, job.err
}

func (job *BuildJob) postSuccess(literal []byte) {
	job.literal = literal
	close(job.done)
}

func (job *BuildJob) postFailure(err error) {
	job.err = err
	close(job.done)
}