"""Kirim notifikasi status distribusi + klaim via Telegram Bot API (best-effort).

Dua kanal (V30/V36): KOMUNITAS (`TELEGRAM_COMMUNITY_CHAT_IDS`) hanya brief
mulai/selesai distribusi; INTERNAL (`TELEGRAM_INTERNAL_CHAT_IDS`) detail
distribusi + semua kegagalan + klaim reward (⊥ komunitas). Token tunggal
`TELEGRAM_BOT_TOKEN`. Tanpa token/daftar → kanal itu no-op senyap (⊥ ganggu
run). Gagal kirim hanya dicatat — ⊥ pernah crash distribusi/klaim.
"""

import requests

from config import (TELEGRAM_BOT_TOKEN, TELEGRAM_COMMUNITY_CHAT_IDS,
                    TELEGRAM_INTERNAL_CHAT_IDS)


def send_text(text, chat_ids=None):
    """Kirim `text` ke daftar chat id. `chat_ids=None` → kanal komunitas.

    Best-effort: tanpa token/daftar → no-op; gagal → log saja.
    """
    if chat_ids is None:
        chat_ids = TELEGRAM_COMMUNITY_CHAT_IDS
    if not TELEGRAM_BOT_TOKEN or not chat_ids:
        return
    url = f'https://api.telegram.org/bot{TELEGRAM_BOT_TOKEN}/sendMessage'
    for chat_id in chat_ids:
        try:
            resp = requests.post(url, json={'chat_id': chat_id, 'text': text},
                                 timeout=10)
            resp.raise_for_status()
        except requests.RequestException as exc:
            print(f'[Peringatan] Gagal kirim Telegram ke {chat_id}: {exc}',
                  flush=True)


def send_internal(text):
    """Kirim ke kanal internal (detail + kegagalan + klaim)."""
    send_text(text, TELEGRAM_INTERNAL_CHAT_IDS)


def notify_start(run_date, n_voters, total_share, balance):
    """Run nyata dimulai: komunitas brief + internal detail."""
    send_text(f'DISTRIBUSI MULAI\nTanggal: {run_date}')
    send_internal(
        f'DISTRIBUSI MULAI\n'
        f'Tanggal: {run_date}\n'
        f'Pemilih: {n_voters}\n'
        f'Total share: {total_share} VEX\n'
        f'Saldo: {balance} VEX'
    )


def notify_finish(status, sent, total, total_share, failed, run_date):
    """Run selesai: komunitas brief + internal detail (ok | partial)."""
    send_text(
        f'DISTRIBUSI SELESAI\n'
        f'Tanggal: {run_date}\n'
        f'Status: {status}'
    )
    send_internal(
        f'DISTRIBUSI SELESAI\n'
        f'Tanggal: {run_date}\n'
        f'Status: {status}\n'
        f'Terkirim: {sent}/{total} pemilih\n'
        f'Total share: {total_share} VEX\n'
        f'Gagal: {len(failed)}'
    )


def notify_failure(exc):
    """Run gagal total — kanal internal saja (ops detail)."""
    send_internal(
        f'DISTRIBUSI GAGAL\n'
        f'Error: {exc}'
    )


def notify_claim(reward, fee, wallet):
    """Klaim reward BP sukses — kanal internal saja, ⊥ komunitas (V36)."""
    send_internal(
        f'KLAIM REWARD SUKSES\n'
        f'Reward: {reward} VEX\n'
        f'Fee BP: {fee} VEX → {wallet}'
    )


def notify_claim_unmeasured(txid_label):
    """Klaim mendarat tapi reward tak terukur (V45) — internal, ⊥ "sukses 0"."""
    send_internal(
        f'KLAIM MENDARAT · REWARD TAK TERUKUR\n'
        f'Periksa reward & fee BP manual (txid {txid_label})'
    )


def notify_claim_failure(exc):
    """Kegagalan siklus klaim — kanal internal saja (V36)."""
    send_internal(
        f'KLAIM GAGAL\n'
        f'Error: {exc}'
    )