#!/usr/bin/env python3

"""Python helpers for Kaizoku's Node provider bridge."""

import json
import subprocess
from pathlib import Path


PROJECT_ROOT = Path(__file__).resolve().parent
BRIDGE = PROJECT_ROOT / "providers" / "bridge.js"
PROVIDERS = ("anikoto", "anineko", "pahe")


def parse_provider_id(value, default_provider="anikoto"):
    text = str(value or "").strip()
    if ":" in text:
        provider, provider_id = text.split(":", 1)
        provider = provider.strip().lower()
        if provider in PROVIDERS:
            return provider, provider_id.strip()
    provider = str(default_provider or "anikoto").strip().lower()
    return provider if provider in PROVIDERS else "anikoto", text


def bridge(command, provider, *args):
    normalized = str(provider or "anikoto").strip().lower()
    if normalized not in PROVIDERS:
        normalized = "anikoto"
    proc = subprocess.run(
        ["node", str(BRIDGE), command, normalized, *[str(arg) for arg in args]],
        cwd=PROJECT_ROOT,
        text=True,
        capture_output=True,
        check=False,
    )
    if proc.returncode != 0:
        raise RuntimeError((proc.stderr or proc.stdout or f"Provider command {command} failed").strip())
    try:
        return json.loads(proc.stdout or "{}")
    except json.JSONDecodeError as exc:
        raise RuntimeError(f"Provider bridge returned invalid JSON: {exc}") from exc


def search(query, provider="anikoto", page=1):
    return bridge("search", provider, query, page)


def info(show_id, provider="anikoto"):
    actual_provider, provider_id = parse_provider_id(show_id, provider)
    return bridge("info", actual_provider, provider_id)


def episodes(show_id, provider="anikoto"):
    actual_provider, provider_id = parse_provider_id(show_id, provider)
    return bridge("episodes", actual_provider, provider_id).get("episodes") or []