"""
Rocket.Chat Platform Plugin for Hermes Agent.

Registers a gateway platform adapter that connects to a self-hosted
Rocket.Chat server via DDP/WebSocket (real-time incoming messages + presence)
and REST API (outgoing replies).
"""

import logging
import os

logger = logging.getLogger(__name__)

# ── Interaction Templates (source of truth — zero yaml dependency) ──
_TEMPLATE_MAP = {
    "yes_no": {
        "label": "Ja/Nein",
        "description": "Binary confirmation",
        "attachment": {"color": "#1d74f5", "title": "Bitte bestätigen:"},
        "buttons": [
            {"text": "✅ Ja", "msg": "ja", "style": "primary"},
            {"text": "❌ Nein", "msg": "nein", "style": "danger"},
        ],
    },
    "confirm_cancel": {
        "label": "Bestätigen/Abbrechen",
        "description": "Safe action with abort",
        "attachment": {"color": "#1d74f5", "title": "Aktion bestätigen:"},
        "buttons": [
            {"text": "✅ Bestätigen", "msg": "bestätigen", "style": "primary"},
            {"text": "🚫 Abbrechen", "msg": "abbrechen", "style": "danger"},
        ],
    },
    "ok": {
        "label": "OK",
        "description": "Single acknowledgement",
        "attachment": {"color": "#1d74f5", "title": "Hinweis:"},
        "buttons": [
            {"text": "👍 OK", "msg": "ok", "style": "primary"},
        ],
    },
    "multi_choice_3": {
        "label": "3 Optionen",
        "description": "Three-option selection",
        "attachment": {"color": "#1d74f5", "title": "Wähle eine Option:"},
        "buttons": [
            {"text": "1._Links", "msg": "links", "style": "default"},
            {"text": "2._Rechts", "msg": "rechts", "style": "default"},
            {"text": "3._Zwei_Runden", "msg": "zwei_runden", "style": "default"},
        ],
    },
}


def _build_custom_buttons(labels: list, prefix: str = "") -> list:
    """Build Rocket.Chat action buttons from plain label strings.

    Rocket.Chat UI truncates button text after ~11-12 chars.
    Use short labels (emoji+text without spaces, or numbered refs).
    """
    buttons = []
    for idx, label in enumerate(labels):
        # Sanitize label for button text (keep short)
        display = label.strip()
        # Payload may carry question_id prefix for correlation
        msg_payload = display
        if prefix:
            msg_payload = f"{prefix}::{msg_payload}"
        buttons.append({
            "type": "button",
            "text": display,
            "msg": msg_payload,
            "msg_in_chat_window": True,
            "style": "default",
        })
    return buttons


def check_requirements():
    """Rocket.Chat adapter uses only stdlib (urllib, socket, ssl, threading)."""
    return True


def validate_config(config) -> bool:
    """Check whether the platform is properly configured."""
    extra = getattr(config, "extra", {}) or {}
    base_url = os.getenv("ROCKETCHAT_BASE_URL") or extra.get("base_url", "")
    user = os.getenv("ROCKETCHAT_USER") or extra.get("user", "")
    password = os.getenv("ROCKETCHAT_PASSWORD") or extra.get("password", "")
    return bool(base_url and user and password)


def is_connected(config) -> bool:
    """Check whether Rocket.Chat is configured (env or config.yaml)."""
    return validate_config(config)


def register(ctx):
    """Plugin entry point — called by the Hermes plugin system at startup."""
    from .adapter import RocketChatAdapter  # lazy import avoids circular deps

    ctx.register_platform(
        name="rocketchat",
        label="Rocket.Chat",
        adapter_factory=lambda cfg: RocketChatAdapter(cfg),
        check_fn=check_requirements,
        validate_config=validate_config,
        is_connected=is_connected,
        required_env=["ROCKETCHAT_BASE_URL", "ROCKETCHAT_USER", "ROCKETCHAT_PASSWORD"],
        install_hint="No extra packages needed (stdlib only)",
        allowed_users_env="ROCKETCHAT_ALLOWED_USERS",
        allow_all_env="ROCKETCHAT_ALLOW_ALL_USERS",
        max_message_length=4000,
        emoji="🚀",
        pii_safe=False,
        allow_update_command=True,
        platform_hint=(
            "You are chatting via Rocket.Chat. You support markdown formatting: "
            "**bold**, *italic*, `inline code`, ```code blocks```, and [links](url). "
            "Messages can be up to ~4000 characters. You have a green online dot "
            "via DDP presence. Use professional but friendly tone."
        ),
    )