from __future__ import annotations

from models import Meeting, Segment


def segment_heading(segment: Segment) -> str:
    if segment.recording_mode.value == "room_recorder":
        covered = ", ".join(segment.covered_participants) or "Not specified"
        return f"## {segment.label} - Room Recorder\n\nCovers: {covered}"
    return f"## {segment.label} - Personal Mic"


def render_segments_markdown(meeting: Meeting, transcript_attr: str) -> str:
    title = meeting.title or meeting.meeting_id
    lines = [
        f"# {title}",
        "",
        f"Meeting ID: `{meeting.meeting_id}`",
        f"Meeting type: `{meeting.meeting_type.value}`",
        "",
    ]

    if not meeting.segments:
        lines.append("No transcript segments submitted yet.")
        return "\n".join(lines).strip() + "\n"

    for segment in sorted(meeting.segments, key=lambda item: item.created_at):
        transcript = getattr(segment, transcript_attr, "") or "No transcript available."
        lines.extend(
            [
                segment_heading(segment),
                "",
                f"Submitted: {segment.created_at}",
                f"Audio file: {segment.audio_file_name or 'Not stored'}",
                "",
                transcript,
                "",
            ]
        )

    return "\n".join(lines).strip() + "\n"


def render_raw_transcript(meeting: Meeting) -> str:
    return render_segments_markdown(meeting, "raw_transcript")


def render_corrected_transcript(meeting: Meeting) -> str:
    return render_segments_markdown(meeting, "corrected_transcript")