package whisperx

import "context"

// NoopClient is a deterministic no-op WhisperX adapter.
type NoopClient struct{}

// Transcribe returns the requested output path with placeholder metadata.
func (n *NoopClient) Transcribe(ctx context.Context, req TranscribeRequest) (TranscribeResult, error) {
	if err := ctx.Err(); err != nil {
		return TranscribeResult{}, err
	}
	return TranscribeResult{
		OutputRawTranscriptPath: req.OutputRawTranscriptPath,
		Metadata: map[string]any{
			"placeholder": true,
		},
	}, nil
}

// FakeClient captures requests and returns deterministic responses for tests.
type FakeClient struct {
	Requests []TranscribeRequest
	Err      error
	Result   TranscribeResult
}

// Transcribe records the request and returns either configured error or result.
func (f *FakeClient) Transcribe(ctx context.Context, req TranscribeRequest) (TranscribeResult, error) {
	if err := ctx.Err(); err != nil {
		return TranscribeResult{}, err
	}
	f.Requests = append(f.Requests, req)
	if f.Err != nil {
		return TranscribeResult{}, f.Err
	}
	res := f.Result
	if res.OutputRawTranscriptPath == "" {
		res.OutputRawTranscriptPath = req.OutputRawTranscriptPath
	}
	if res.Metadata == nil {
		res.Metadata = map[string]any{"fake": true}
	}
	return res, nil
}