from __future__ import annotations

from adapter.matrix.reactions import build_skills_text
from core.protocol import IncomingCommand, OutgoingMessage, SettingsAction


HELP_TEXT = "\n".join(
    [
        "Команды",
        "",
        "!new [название]  создать новый чат",
        "!chats  список активных чатов",
        "!rename <название>  переименовать текущий чат",
        "!archive  архивировать текущий чат",
        "!settings  общий обзор настроек",
        "!skills  список навыков",
        "!soul [поле значение]  показать или изменить личность",
        "!safety [триггер on/off]  показать или изменить безопасность",
        "!status  краткий статус",
        "!whoami  показать ваш id",
        "!yes / !no  подтвердить или отменить действие",
    ]
)


def _render_mapping(title: str, data: dict | None) -> str:
    data = data or {}
    lines = [title]
    if not data:
        lines.append("Нет данных.")
    else:
        for key, value in data.items():
            lines.append(f"• {key}: {value}")
    return "\n".join(lines)


def _parse_bool(value: str) -> bool:
    return value.lower() in {"1", "true", "yes", "on", "enable", "enabled"}


async def handle_settings(
    event: IncomingCommand, auth_mgr, platform, chat_mgr, settings_mgr
) -> list:
    settings = await settings_mgr.get(event.user_id)
    chats = await chat_mgr.list_active(event.user_id)

    skills_lines = []
    for name, enabled in settings.skills.items():
        state = "on" if enabled else "off"
        skills_lines.append(f"  {state}  {name}")
    skills_text = "\n".join(skills_lines) if skills_lines else "  нет навыков"

    soul_lines = []
    for key, value in (settings.soul or {}).items():
        soul_lines.append(f"  {key}: {value}")
    soul_text = "\n".join(soul_lines) if soul_lines else "  по умолчанию"

    safety_lines = []
    for key, value in (settings.safety or {}).items():
        state = "on" if value else "off"
        safety_lines.append(f"  {state}  {key}")
    safety_text = "\n".join(safety_lines) if safety_lines else "  по умолчанию"

    chat_lines = [f"  {chat.display_name} ({chat.chat_id})" for chat in chats]
    chats_text = "\n".join(chat_lines) if chat_lines else "  нет активных чатов"

    dashboard = "\n".join(
        [
            "Настройки",
            "",
            "Скиллы:",
            skills_text,
            "",
            "Личность:",
            soul_text,
            "",
            "Безопасность:",
            safety_text,
            "",
            f"Активные чаты ({len(chats)}):",
            chats_text,
        ]
    )

    return [OutgoingMessage(chat_id=event.chat_id, text=dashboard)]


async def handle_help(
    event: IncomingCommand, auth_mgr, platform, chat_mgr, settings_mgr
) -> list:
    return [OutgoingMessage(chat_id=event.chat_id, text=HELP_TEXT)]


async def handle_settings_skills(
    event: IncomingCommand, auth_mgr, platform, chat_mgr, settings_mgr
) -> list:
    settings = await settings_mgr.get(event.user_id)
    return [OutgoingMessage(chat_id=event.chat_id, text=build_skills_text(settings))]


async def handle_settings_connectors(
    event: IncomingCommand, auth_mgr, platform, chat_mgr, settings_mgr
) -> list:
    settings = await settings_mgr.get(event.user_id)
    return [
        OutgoingMessage(
            chat_id=event.chat_id, text=_render_mapping("🔗 Коннекторы", settings.connectors)
        )
    ]


async def handle_settings_soul(
    event: IncomingCommand, auth_mgr, platform, chat_mgr, settings_mgr
) -> list:
    if len(event.args) >= 2:
        field = event.args[0]
        value = " ".join(event.args[1:])
        await settings_mgr.apply(
            event.user_id,
            SettingsAction(action="set_soul", payload={"field": field, "value": value}),
        )
        return [
            OutgoingMessage(chat_id=event.chat_id, text=f"Личность обновлена: {field} = {value}")
        ]
    settings = await settings_mgr.get(event.user_id)
    return [
        OutgoingMessage(chat_id=event.chat_id, text=_render_mapping("🧠 Личность", settings.soul))
    ]


async def handle_settings_safety(
    event: IncomingCommand, auth_mgr, platform, chat_mgr, settings_mgr
) -> list:
    if len(event.args) >= 2:
        trigger = event.args[0]
        enabled = _parse_bool(event.args[1])
        await settings_mgr.apply(
            event.user_id,
            SettingsAction(action="set_safety", payload={"trigger": trigger, "enabled": enabled}),
        )
        state = "включена" if enabled else "выключена"
        return [OutgoingMessage(chat_id=event.chat_id, text=f"Безопасность {trigger} {state}")]
    settings = await settings_mgr.get(event.user_id)
    return [
        OutgoingMessage(
            chat_id=event.chat_id, text=_render_mapping("🔒 Безопасность", settings.safety)
        )
    ]


async def handle_settings_plan(
    event: IncomingCommand, auth_mgr, platform, chat_mgr, settings_mgr
) -> list:
    settings = await settings_mgr.get(event.user_id)
    return [OutgoingMessage(chat_id=event.chat_id, text=_render_mapping("💳 План", settings.plan))]


async def handle_settings_status(
    event: IncomingCommand, auth_mgr, platform, chat_mgr, settings_mgr
) -> list:
    chats = await chat_mgr.list_active(event.user_id)
    settings = await settings_mgr.get(event.user_id)
    text = "\n".join(
        [
            "📊 Статус",
            f"Активных чатов: {len(chats)}",
            f"Скиллов: {len(settings.skills)}",
            f"Коннекторов: {len(settings.connectors)}",
        ]
    )
    return [OutgoingMessage(chat_id=event.chat_id, text=text)]


async def handle_settings_whoami(
    event: IncomingCommand, auth_mgr, platform, chat_mgr, settings_mgr
) -> list:
    return [OutgoingMessage(chat_id=event.chat_id, text=f"👤 {event.platform}:{event.user_id}")]


async def handle_toggle_skill(event, auth_mgr, platform, chat_mgr, settings_mgr) -> list:
    settings = await settings_mgr.get(event.user_id)
    keys = list(settings.skills.keys())
    skill = event.payload.get("skill")
    if not skill:
        idx = event.payload.get("skill_index")
        if isinstance(idx, int) and 1 <= idx <= len(keys):
            skill = keys[idx - 1]
    if not skill:
        return [OutgoingMessage(chat_id=event.chat_id, text="Ошибка: не удалось определить навык.")]

    enabled = not bool(settings.skills.get(skill, False))
    await settings_mgr.apply(
        event.user_id,
        SettingsAction(action="toggle_skill", payload={"skill": skill, "enabled": enabled}),
    )
    state = "включён" if enabled else "выключен"
    return [OutgoingMessage(chat_id=event.chat_id, text=f"Навык {skill} {state}.")]