import logging, subprocess
from typing import Tuple, Any, Dict, List
import config

logger = logging.getLogger(__name__)


def _run_ps(commands, timeout=60):
    script = "; ".join(commands)
    try:
        p = subprocess.run(
            ["powershell.exe", "-NoProfile", "-NonInteractive", "-Command", script],
            capture_output=True, text=True, timeout=timeout)
        return p.returncode, p.stdout.strip()
    except subprocess.TimeoutExpired:
        return -1, "timeout"
    except Exception as e:
        return -1, str(e)


def list_voices() -> List[Dict[str, str]]:
    cmds = [
        "Add-Type -AssemblyName System.Speech",
        "$s = New-Object System.Speech.Synthesis.SpeechSynthesizer",
        "foreach ($v in $s.GetInstalledVoices()) {",
        "  $i = $v.VoiceInfo",
        '  Write-Host ("VOICE:" + $i.Name + "|" + $i.Description + "|" + $i.Culture + "|" + $i.Gender + "|" + $i.Age)',
        "}",
        "$s.Dispose()",
    ]
    code, out = _run_ps(cmds)
    result = []
    for line in out.splitlines():
        if line.startswith("VOICE:"):
            parts = line[6:].strip().split("|")
            if len(parts) >= 5:
                result.append({"name": parts[0].strip(), "description": parts[1].strip(),
                               "culture": parts[2].strip(), "gender": parts[3].strip(),
                               "age": parts[4].strip()})
    return result


def speak(text: str) -> Tuple[bool, Dict[str, Any]]:
    if not config.TTS_ENABLED:
        logger.info("TTS disabled, skipping: %s", text)
        return True, {"skipped": True}

    text = text[:config.TTS_MAX_TEXT_LENGTH].strip()
    if not text:
        return False, {"error": "empty text after truncation"}

    safe = text.replace(chr(34), chr(34) + chr(34))
    vname = (config.TTS_VOICE_NAME or "").replace(chr(34), chr(34) + chr(34))

    cmds = [
        "Add-Type -AssemblyName System.Speech",
        "$s = New-Object System.Speech.Synthesis.SpeechSynthesizer",
    ]
    if vname:
        cmds += [
            "foreach ($v in $s.GetInstalledVoices()) {",
            '  if ($v.VoiceInfo.Name -like "*' + vname + '*") { $s.SelectVoice($v.VoiceInfo.Name); break }',
            "}",
        ]
    cmds += [
        "$s.Rate = " + str(config.TTS_RATE),
        "$s.Volume = 100",
        '$s.Speak("' + safe + '")',
        "$s.Dispose()",
    ]

    try:
        code, out = _run_ps(cmds)
        if code != 0:
            return False, {"error": f"TTS failed: {out}"}
        return True, {"spoken": True}
    except Exception as e:
        logger.exception("TTS failed")
        return False, {"error": str(e)}