"""/commands — /start /help /drafts /cancel /whoami /unlink."""
import logging

from app import drafts as draft_store
from app.runtime import ROLE_FA
from app.texts import CANCELLED, DRAFTS_EMPTY, DRAFTS_LIST_HEADER, HELP, UNLINKED, WELCOME, esc

logger = logging.getLogger("bot.commands")

KIND_FA = {"quote": "استعلام", "supplier": "تأمین‌کننده", "material": "کالا"}
STATUS_FA = {"active": "باز", "committed": "ثبت‌شده", "cancelled": "لغوشده", "expired": "منقضی"}


async def handle_command(ctx, chat_id: int, text: str) -> None:
    command = text.split()[0].split("@")[0].lower()
    if command == "/start":
        await _start(ctx, chat_id)
    elif command in ("/help", "/راهنما"):
        await ctx.send(chat_id, HELP)
    elif command == "/drafts":
        await _drafts(ctx, chat_id)
    elif command in ("/cancel", "/لغو"):
        await _cancel(ctx, chat_id)
    elif command == "/whoami":
        await _whoami(ctx, chat_id)
    elif command == "/unlink":
        await ctx.links.delete(chat_id)
        await ctx.send(chat_id, "اتصال قطع شد. برای اتصال دوباره /start بزن.")
    else:
        await ctx.send(chat_id, HELP)


async def _start(ctx, chat_id: int) -> None:
    from app.defaults import AUTHORIZED_USERS

    await ctx.send(chat_id, WELCOME)
    if chat_id in AUTHORIZED_USERS or chat_id in ctx.admin_chat_ids:
        return
    link = await ctx.links.get(chat_id)
    if not link or not link.user_id:
        await ctx.send(chat_id, "برای شروع، حساب خود را متصل کن — نام کاربری Casdoor را بفرست:")
        ctx.pending.set(chat_id, "link_username", {})


async def _drafts(ctx, chat_id: int) -> None:
    from sqlalchemy import select

    from app.db import SessionLocal
    from app.models import BotDraft

    async with SessionLocal() as session:
        rows = (await session.execute(
            select(BotDraft)
            .where(BotDraft.chat_id == chat_id, BotDraft.status == "active")
            .order_by(BotDraft.updated_at.desc())
        )).scalars().all()
    if not rows:
        await ctx.send(chat_id, DRAFTS_EMPTY)
        return
    lines = [DRAFTS_LIST_HEADER]
    for d in rows:
        p = d.payload or {}
        title = p.get("supplier_name") or p.get("name") or "بدون عنوان"
        lines.append(f"• {KIND_FA.get(d.kind, d.kind)}: {esc(title)}")
    await ctx.send(chat_id, "\n".join(lines))


async def _cancel(ctx, chat_id: int) -> None:
    ctx.pending.pop(chat_id)
    active = await draft_store.get_active(chat_id)
    if active:
        await draft_store.set_status(active.id, "cancelled")
    await ctx.send(chat_id, CANCELLED)


async def _whoami(ctx, chat_id: int) -> None:
    from app.defaults import AUTHORIZED_USERS

    if chat_id in AUTHORIZED_USERS:
        u = AUTHORIZED_USERS[chat_id]
        role = ROLE_FA.get(u.get("role") or "", u.get("role") or "مدیر تدارکات")
        await ctx.send(chat_id, f"اتصال (لیست سفید): {esc(u.get('display_name'))} — {role}")
        return
    link = await ctx.links.get(chat_id)
    if chat_id in ctx.admin_chat_ids:
        await ctx.send(chat_id, "حالت ادمین (بدون اتصال Casdoor).")
        return
    if not link or not link.user_id:
        await ctx.send(chat_id, UNLINKED)
        return
    role = ROLE_FA.get(link.role or "", link.role or "بدون نقش")
    await ctx.send(chat_id, f"اتصال: {esc(link.display_name)} — {role}")