"""Projeto: inspecionar o .fcpxml e lembrar a pasta/arquivo em uso.

Extraído de models_api.py — a tabela de comandos segue lá.
"""

from __future__ import annotations

from pathlib import Path

from fcpxml.model_manager import (
    load_project_config,
    save_project_config,
)
from fcpxml.parser import parse_fcpxml

from . import shared


def cmd_inspect(args: dict) -> int:
    """Validate an FCPXML file and return a summary of its projects/timelines."""
    path = str(args.get("path", ""))
    if not path:
        shared.emit({"ok": False, "error": "Nenhum arquivo informado."})
        return 1
    if not Path(path).exists():
        shared.emit({"ok": False, "error": "Arquivo não encontrado."})
        return 1
    try:
        proj = parse_fcpxml(path)
    except Exception as exc:
        shared.emit({"ok": False, "error": f"Erro ao ler o projeto: {exc}"})
        return 1

    timelines = []
    for tl in proj.timelines:
        timelines.append(
            {
                "name": tl.name,
                "duration_seconds": round(tl.duration.seconds, 3),
                "frame_rate": round(tl.frame_rate, 3),
                "width": tl.width,
                "height": tl.height,
                "clips": tl.total_clips,
                "cuts": tl.total_cuts,
                "connected": len(tl.connected_clips),
                "markers": len(tl.markers),
            }
        )
    shared.emit(
        {
            "ok": True,
            "path": path,
            "name": proj.name,
            "fcpxml_version": proj.fcpxml_version,
            "timelines": timelines,
        }
    )
    return 0

def cmd_project_config(args: dict) -> int:
    """Read the last project folder/file the app was working on."""
    shared.emit({"ok": True, **load_project_config()})
    return 0

def cmd_set_project_config(args: dict) -> int:
    """Persist the last project folder/file. Only the given fields change."""
    config = save_project_config(folder=args.get("folder"), file=args.get("file"))
    shared.emit({"ok": True, **config})
    return 0