#!/usr/bin/env python3
"""Show the current podcast queue and episode history."""

import os
import sqlite3
import sys
from pathlib import Path

BASE_DIR = Path(os.environ.get("LOCALRADIO_BASE", "/opt/localradio"))
DB_PATH = BASE_DIR / "state" / "radio.db"
QUEUE_DIR = BASE_DIR / "state" / "queue"


def show_queue():
    if not DB_PATH.exists():
        print("Database not found. Run init_db.py first.")
        sys.exit(1)

    conn = sqlite3.connect(str(DB_PATH))
    conn.row_factory = sqlite3.Row

    # Current queue
    rows = conn.execute("""
        SELECT q.position, e.feed_name, e.title, e.pub_date, e.file_path, q.enqueued
        FROM queue q
        JOIN episodes e ON e.id = q.episode_id
        WHERE q.played = 0
        ORDER BY q.position
    """).fetchall()

    print("=== Podcast Queue ===")
    if rows:
        for row in rows:
            print(f"  [{row['position']:3d}] {row['feed_name']}: {row['title']}")
            print(f"        Published: {row['pub_date'] or 'unknown'}")
            print(f"        Enqueued:  {row['enqueued']}")
    else:
        print("  (empty — music is playing)")

    # Queue directory
    print(f"\n=== Queue Directory ({QUEUE_DIR}) ===")
    if QUEUE_DIR.exists():
        files = sorted(QUEUE_DIR.iterdir())
        if files:
            for f in files:
                target = f" -> {os.readlink(f)}" if f.is_symlink() else ""
                print(f"  {f.name}{target}")
        else:
            print("  (empty)")
    else:
        print("  (directory missing)")

    # Recent episodes
    recent = conn.execute("""
        SELECT feed_name, title, pub_date, downloaded, queued, played, discovered
        FROM episodes
        ORDER BY discovered DESC
        LIMIT 15
    """).fetchall()

    print("\n=== Recent Episodes (last 15) ===")
    for row in recent:
        status_flags = []
        if row["downloaded"]:
            status_flags.append("DL")
        if row["queued"]:
            status_flags.append("Q")
        if row["played"]:
            status_flags.append("P")
        status = ",".join(status_flags) or "-"
        print(f"  [{status:6s}] {row['feed_name']}: {row['title']}")

    # Feed state
    feeds = conn.execute("SELECT * FROM feed_state ORDER BY feed_name").fetchall()
    print("\n=== Feed State ===")
    for f in feeds:
        print(f"  {f['feed_name']}: last polled {f['last_poll'] or 'never'}")

    conn.close()


if __name__ == "__main__":
    show_queue()