# METADATA
# {
#     "name": "ffmpeg",
#
#     "display_name": {
#         "zh": "FFmpeg 工具集",
#         "en": "FFmpeg Toolkit"
#     },
#     "description": {
#         "zh": "提供FFmpeg工具，用于处理多媒体内容。",
#         "en": "FFmpeg utilities for processing multimedia content."
#     },
#     "enabledByDefault": true,
#     "category": "Media",
#     "tools": [
#         {
#             "name": "ffmpeg_execute",
#             "description": { "zh": "执行自定义FFmpeg命令（仅填写参数，不要包含前缀 ffmpeg）。", "en": "Execute a custom FFmpeg command (arguments only; do not include the leading ffmpeg)." },
#             "parameters": [
#                 { "name": "command", "description": { "zh": "要执行的FFmpeg命令参数（不要包含前缀 ffmpeg）", "en": "FFmpeg command arguments to execute (do not include the leading ffmpeg)" }, "type": "string", "required": true }
#             ]
#         },
#         {
#             "name": "ffmpeg_info",
#             "description": { "zh": "获取FFmpeg系统信息，包括版本、构建配置和支持的编解码器。", "en": "Get FFmpeg system info, including version, build config, and supported codecs." },
#             "parameters": []
#         },
#         {
#             "name": "ffmpeg_convert",
#             "description": { "zh": "使用简化参数转换视频文件。", "en": "Convert a video file using simplified parameters." },
#             "parameters": [
#                 { "name": "input_path", "description": { "zh": "源视频文件路径", "en": "Input video file path" }, "type": "string", "required": true },
#                 { "name": "output_path", "description": { "zh": "目标视频文件路径", "en": "Output video file path" }, "type": "string", "required": true },
#                 { "name": "video_codec", "description": { "zh": "可选，要使用的视频编解码器。推荐使用 'h264'。支持的值: 'h264', 'hevc', 'vp8', 'vp9', 'av1', 'libx265', 'libvpx', 'libaom', 'mpeg4', 'mjpeg', 'prores'。", "en": "Optional. Video codec to use. Prefer 'h264'. Supported values: 'h264', 'hevc', 'vp8', 'vp9', 'av1', 'libx265', 'libvpx', 'libaom', 'mpeg4', 'mjpeg', 'prores'." }, "type": "string", "required": false },
#                 { "name": "audio_codec", "description": { "zh": "可选，要使用的音频编解码器。支持的值: 'aac', 'mp3', 'opus', 'vorbis', 'flac', 'pcm', 'wav', 'ac3', 'eac3'。", "en": "Optional. Audio codec to use. Supported values: 'aac', 'mp3', 'opus', 'vorbis', 'flac', 'pcm', 'wav', 'ac3', 'eac3'." }, "type": "string", "required": false },
#                 { "name": "resolution", "description": { "zh": "可选，输出分辨率，例如 '1280x720'。", "en": "Optional. Output resolution, e.g. '1280x720'." }, "type": "string", "required": false },
#                 { "name": "bitrate", "description": { "zh": "可选，视频比特率，例如 '1000k'。", "en": "Optional. Video bitrate, e.g. '1000k'." }, "type": "string", "required": false }
#             ]
#         }
#     ]
# }

import json


async def ffmpeg_execute(params):
    result = await Tools.FFmpeg.execute(params["command"])
    returnCode = result["returnCode"]
    return {
        "success": returnCode == 0,
        "message": "FFmpeg command executed successfully." if returnCode == 0 else f"FFmpeg command failed with return code {returnCode}.",
        "data": result["output"]
    }


async def ffmpeg_info():
    result = await Tools.FFmpeg.info()
    returnCode = result["returnCode"]
    return {
        "success": returnCode == 0,
        "message": "FFmpeg info retrieved successfully." if returnCode == 0 else "Failed to retrieve FFmpeg info.",
        "data": result["output"]
    }


async def ffmpeg_convert(params):
    result = await Tools.FFmpeg.convert(params["input_path"], params["output_path"], {
        "video_codec": params.get("video_codec"),
        "audio_codec": params.get("audio_codec"),
        "resolution": params.get("resolution"),
        "bitrate": params.get("bitrate"),
    })
    returnCode = result["returnCode"]
    return {
        "success": returnCode == 0,
        "message": "FFmpeg conversion completed successfully." if returnCode == 0 else f"FFmpeg conversion failed with return code {returnCode}.",
        "data": result["output"]
    }


async def wrapToolExecution(func, params):
    try:
        import inspect as _inspect
        sig = _inspect.signature(func)
        if len(sig.parameters) > 0:
            result = await func(params)
        else:
            result = await func()
        complete(result)
    except Exception as error:
        console.error(f"Tool {func.__name__} failed unexpectedly", error)
        msg = getattr(error, "message", str(error))
        complete({
            "success": False,
            "message": f"工具执行时发生意外错误: {msg}",
        })


async def main():
    console.log("--- FFmpeg Tools Test ---")

    console.log("\n[1/3] Testing ffmpeg_info...")
    infoResult = await ffmpeg_info()
    console.log(json.dumps(infoResult, indent=2, ensure_ascii=False))

    console.log("\n[2/3] Testing ffmpeg_execute (example: getting help for a decoder)...")
    executeResult = await ffmpeg_execute({"command": "-h decoder=h264"})
    console.log(json.dumps(executeResult, indent=2, ensure_ascii=False))

    console.log("\n[3/3] Testing ffmpeg_convert (example)...")
    console.log("Skipping ffmpeg_convert test as it requires input files.")

    complete({"success": True, "message": "Test finished."})


async def ffmpeg_execute_wrapper(params):
    await wrapToolExecution(ffmpeg_execute, params)


async def ffmpeg_info_wrapper(params=None):
    await wrapToolExecution(ffmpeg_info, params)


async def ffmpeg_convert_wrapper(params):
    await wrapToolExecution(ffmpeg_convert, params)


exports.ffmpeg_execute = ffmpeg_execute_wrapper
exports.ffmpeg_info = ffmpeg_info_wrapper
exports.ffmpeg_convert = ffmpeg_convert_wrapper
exports.main = main