from __future__ import annotations

from ..db import connect, utcnow, default_user_id

BOOTSTRAP_THEMES = {
    "default": "Default Bootstrap",
    "flatly": "Flatly",
    "litera": "Litera",
    "lumen": "Lumen",
    "minty": "Minty",
    "sketchy": "Sketchy",
    "solar": "Solar",
    "spacelab": "Spacelab",
    "united": "United",
    "zephyr": "Zephyr",
}

FONT_FAMILIES = {
    "default": "Theme default",
    "adwaita-mono": "Adwaita Mono",
    "inter": "Inter",
    "system-ui": "System UI",
    "source-sans-3": "Source Sans 3",
    "jetbrains-mono": "JetBrains Mono",
}

def bootstrap_css_url(theme: str | None) -> str:
    theme = theme if theme in BOOTSTRAP_THEMES else "default"
    if theme == "default":
        return "https://cdn.jsdelivr.net/npm/bootstrap@5.3.3/dist/css/bootstrap.min.css"
    return f"https://cdn.jsdelivr.net/npm/bootswatch@5.3.3/dist/{theme}/bootstrap.min.css"


def list_profiles(user_id: int | None = None):
    user_id = user_id or default_user_id()
    with connect() as conn:
        return conn.execute(
            "SELECT * FROM rtorrent_profiles WHERE user_id=? ORDER BY is_default DESC, name COLLATE NOCASE",
            (user_id,),
        ).fetchall()


def get_profile(profile_id: int, user_id: int | None = None):
    user_id = user_id or default_user_id()
    with connect() as conn:
        return conn.execute(
            "SELECT * FROM rtorrent_profiles WHERE id=? AND user_id=?",
            (profile_id, user_id),
        ).fetchone()


def active_profile(user_id: int | None = None):
    user_id = user_id or default_user_id()
    with connect() as conn:
        pref = conn.execute("SELECT active_rtorrent_id FROM user_preferences WHERE user_id=?", (user_id,)).fetchone()
        if pref and pref.get("active_rtorrent_id"):
            row = conn.execute(
                "SELECT * FROM rtorrent_profiles WHERE id=? AND user_id=?",
                (pref["active_rtorrent_id"], user_id),
            ).fetchone()
            if row:
                return row
        row = conn.execute(
            "SELECT * FROM rtorrent_profiles WHERE user_id=? ORDER BY is_default DESC, id ASC LIMIT 1",
            (user_id,),
        ).fetchone()
        return row


def save_profile(data: dict, user_id: int | None = None):
    user_id = user_id or default_user_id()
    now = utcnow()
    name = str(data.get("name") or "rTorrent").strip()
    scgi_url = str(data.get("scgi_url") or "").strip()
    timeout = int(data.get("timeout_seconds") or 5)
    max_parallel = int(data.get("max_parallel_jobs") or 5)
    is_remote = 1 if data.get("is_remote") else 0
    is_default = 1 if data.get("is_default") else 0
    if not scgi_url.startswith("scgi://"):
        raise ValueError("SCGI URL musi zaczynać się od scgi://")
    with connect() as conn:
        if is_default:
            conn.execute("UPDATE rtorrent_profiles SET is_default=0 WHERE user_id=?", (user_id,))
        cur = conn.execute(
            "INSERT INTO rtorrent_profiles(user_id,name,scgi_url,is_default,timeout_seconds,max_parallel_jobs,is_remote,created_at,updated_at) VALUES(?,?,?,?,?,?,?,?,?)",
            (user_id, name, scgi_url, is_default, timeout, max_parallel, is_remote, now, now),
        )
        profile_id = cur.lastrowid
        pref = conn.execute("SELECT active_rtorrent_id FROM user_preferences WHERE user_id=?", (user_id,)).fetchone()
        if not pref or not pref.get("active_rtorrent_id") or is_default:
            conn.execute(
                "UPDATE user_preferences SET active_rtorrent_id=?, updated_at=? WHERE user_id=?",
                (profile_id, now, user_id),
            )
        return conn.execute("SELECT * FROM rtorrent_profiles WHERE id=? AND user_id=?", (profile_id, user_id)).fetchone()


def update_profile(profile_id: int, data: dict, user_id: int | None = None):
    user_id = user_id or default_user_id()
    now = utcnow()
    name = str(data.get("name") or "rTorrent").strip()
    scgi_url = str(data.get("scgi_url") or "").strip()
    timeout = int(data.get("timeout_seconds") or 5)
    max_parallel = int(data.get("max_parallel_jobs") or 5)
    is_remote = 1 if data.get("is_remote") else 0
    is_default = 1 if data.get("is_default") else 0
    if not scgi_url.startswith("scgi://"):
        raise ValueError("SCGI URL musi zaczynać się od scgi://")
    with connect() as conn:
        row = conn.execute("SELECT id FROM rtorrent_profiles WHERE id=? AND user_id=?", (profile_id, user_id)).fetchone()
        if not row:
            raise ValueError("Profil nie istnieje")
        if is_default:
            conn.execute("UPDATE rtorrent_profiles SET is_default=0 WHERE user_id=?", (user_id,))
        conn.execute(
            "UPDATE rtorrent_profiles SET name=?, scgi_url=?, is_default=?, timeout_seconds=?, max_parallel_jobs=?, is_remote=?, updated_at=? WHERE id=? AND user_id=?",
            (name, scgi_url, is_default, timeout, max_parallel, is_remote, now, profile_id, user_id),
        )
        return conn.execute("SELECT * FROM rtorrent_profiles WHERE id=? AND user_id=?", (profile_id, user_id)).fetchone()


def delete_profile(profile_id: int, user_id: int | None = None):
    user_id = user_id or default_user_id()
    with connect() as conn:
        conn.execute("DELETE FROM rtorrent_profiles WHERE id=? AND user_id=?", (profile_id, user_id))
        active = active_profile(user_id)
        conn.execute(
            "UPDATE user_preferences SET active_rtorrent_id=?, updated_at=? WHERE user_id=?",
            (active["id"] if active else None, utcnow(), user_id),
        )


def activate_profile(profile_id: int, user_id: int | None = None):
    user_id = user_id or default_user_id()
    with connect() as conn:
        row = conn.execute("SELECT id FROM rtorrent_profiles WHERE id=? AND user_id=?", (profile_id, user_id)).fetchone()
        if not row:
            raise ValueError("Profil nie istnieje")
        conn.execute(
            "UPDATE user_preferences SET active_rtorrent_id=?, updated_at=? WHERE user_id=?",
            (profile_id, utcnow(), user_id),
        )
    return get_profile(profile_id, user_id)


def get_preferences(user_id: int | None = None):
    user_id = user_id or default_user_id()
    with connect() as conn:
        return conn.execute("SELECT * FROM user_preferences WHERE user_id=?", (user_id,)).fetchone()


def save_preferences(data: dict, user_id: int | None = None):
    user_id = user_id or default_user_id()
    allowed_theme = data.get("theme") if data.get("theme") in {"light", "dark"} else None
    bootstrap_theme = data.get("bootstrap_theme") if data.get("bootstrap_theme") in BOOTSTRAP_THEMES else None
    font_family = data.get("font_family") if data.get("font_family") in FONT_FAMILIES else None
    table_columns_json = data.get("table_columns_json")
    peers_refresh_seconds = data.get("peers_refresh_seconds")
    port_check_enabled = data.get("port_check_enabled")
    with connect() as conn:
        now = utcnow()
        if allowed_theme:
            conn.execute("UPDATE user_preferences SET theme=?, updated_at=? WHERE user_id=?", (allowed_theme, now, user_id))
        if bootstrap_theme:
            conn.execute("UPDATE user_preferences SET bootstrap_theme=?, updated_at=? WHERE user_id=?", (bootstrap_theme, now, user_id))
        if font_family:
            conn.execute("UPDATE user_preferences SET font_family=?, updated_at=? WHERE user_id=?", (font_family, now, user_id))
        if table_columns_json is not None:
            conn.execute("UPDATE user_preferences SET table_columns_json=?, updated_at=? WHERE user_id=?", (str(table_columns_json), now, user_id))
        if peers_refresh_seconds is not None:
            sec = int(peers_refresh_seconds or 0)
            if sec not in {0, 10, 15, 30, 60}: sec = 0
            conn.execute("UPDATE user_preferences SET peers_refresh_seconds=?, updated_at=? WHERE user_id=?", (sec, now, user_id))
        if port_check_enabled is not None:
            conn.execute("UPDATE user_preferences SET port_check_enabled=?, updated_at=? WHERE user_id=?", (1 if port_check_enabled else 0, now, user_id))
    return get_preferences(user_id)