/**
 * Broccolini Bot configuration and game lists.
 * Load dotenv so env is available when this module is required first.
 * dotenv-expand resolves ${NGROK_URL} etc. in .env.
 *
 * Never commit .env; agents must not modify .env without explicit user confirmation.
 */
const path = require('path');
const dotenv = require('dotenv');
const dotenvExpand = require('dotenv-expand');

const parsed = dotenv.config({ debug: process.env.NODE_ENV === 'development' });
dotenvExpand.expand(parsed);
// Also load repo-root .env; only non-empty values override (so empty DISCORD_BOT_TOKEN= in root does not wipe app .env)
const rootEnv = path.resolve(process.cwd(), '..', '.env');
const rootParsed = dotenv.config({ path: rootEnv });
if (!rootParsed.error && rootParsed.parsed) {
  for (const [k, v] of Object.entries(rootParsed.parsed)) {
    if (v != null && String(v).trim() !== '') process.env[k] = v;
  }
  dotenvExpand.expand(rootParsed);
}

function toInt(v, fallback) {
  const n = parseInt(v, 10);
  return Number.isFinite(n) ? n : fallback;
}

const CONFIG = {
  DISCORD_TOKEN: (process.env.DISCORD_TOKEN || process.env.DISCORD_BOT_TOKEN || '').trim(),
  DISCORD_GUILD_ID: process.env.DISCORD_GUILD_ID || null,
  TICKET_CATEGORY_ID: process.env.TICKET_CATEGORY_ID,
  TICKET_CATEGORY_NAME: process.env.TICKET_CATEGORY_NAME || 'Open Tickets',
  TICKET_T2_CATEGORY_NAME: process.env.TICKET_T2_CATEGORY_NAME || 'Tier 2 Escalated Tickets',
  TICKET_T3_CATEGORY_NAME: process.env.TICKET_T3_CATEGORY_NAME || 'Tier 3 Escalated Tickets',
  EMAIL_TICKET_OVERFLOW_CATEGORY_IDS: (process.env.EMAIL_TICKET_OVERFLOW_CATEGORY_IDS || '')
    .split(',')
    .map(s => s.trim())
    .filter(Boolean),
  DISCORD_TICKET_CATEGORY_ID: process.env.DISCORD_TICKET_CATEGORY_ID || process.env.TICKET_CATEGORY_ID,
  DISCORD_TICKET_OVERFLOW_CATEGORY_IDS: (process.env.DISCORD_TICKET_OVERFLOW_CATEGORY_IDS || '')
    .split(',')
    .map(s => s.trim())
    .filter(Boolean),
  ROLE_ID_TO_PING: process.env.ROLE_ID_TO_PING,
  ROLE_TO_PING_ID: process.env.ROLE_ID_TO_PING || process.env.ROLE_TO_PING_ID,
  TRANSCRIPT_CHAN: process.env.TRANSCRIPT_CHANNEL_ID,
  LOG_CHAN: process.env.LOGGING_CHANNEL_ID,
  DEBUGGING_CHANNEL_ID: process.env.DEBUGGING_CHANNEL_ID || null,
  DISCORD_CHANNEL_ID: process.env.DISCORD_CHANNEL_ID || null,
  CLIENT_ID: process.env.DISCORD_APPLICATION_ID,
  REFRESH_TOKEN: process.env.REFRESH_TOKEN,
  MY_EMAIL: (process.env.MY_EMAIL || '').toLowerCase(),
  LOGO_URL: process.env.LOGO_URL,
  SUPPORT_NAME: process.env.SUPPORT_NAME || 'Support',
  PORT: toInt(process.env.DISCORD_ONLY_PORT, 5000),
  HEALTHCHECK_HOST: process.env.HEALTHCHECK_HOST || null, // null = listen on all interfaces; set to 127.0.0.1 for local-only
  SIGNATURE: (process.env.EMAIL_SIGNATURE || '').trim().replace(/\\n/g, '\n'),
  GAME_LIST: process.env.GAME_LIST || '',
  DISCORD_THREAD_CHANNEL_ID: process.env.DISCORD_THREAD_CHANNEL_ID || null,
  EMAIL_THREAD_CHANNEL_ID: process.env.EMAIL_THREAD_CHANNEL_ID || null,
  // Tier 2/3 escalation: category IDs where ticket channels are placed (env uses *_CHANNEL_* for legacy naming).
  EMAIL_ESCALATED2_CHANNEL_ID: process.env.EMAIL_ESCALATED2_CHANNEL_ID || null,
  DISCORD_ESCALATED2_CHANNEL_ID: process.env.DISCORD_ESCALATED2_CHANNEL_ID || null,
  EMAIL_ESCALATED3_CHANNEL_ID: process.env.EMAIL_ESCALATED3_CHANNEL_ID || null,
  DISCORD_ESCALATED3_CHANNEL_ID: process.env.DISCORD_ESCALATED3_CHANNEL_ID || null,
  ESCALATION_MESSAGE: process.env.ESCALATION_MESSAGE || 'Your ticket has been escalated.\n\nA senior {support_name} will be here to assist as soon as possible.',
  TICKET_CLOSE_SUBJECT_PREFIX: process.env.TICKET_CLOSE_SUBJECT_PREFIX || '[Resolved]',
  // Email tickets only (closure email body):
  TICKET_CLOSE_MESSAGE: process.env.TICKET_CLOSE_MESSAGE || 'This ticket has been marked as resolved. If you would like to re-open this issue, please reply to this email.',
  TICKET_CLOSE_SIGNATURE: process.env.TICKET_CLOSE_SIGNATURE || 'Thank you for using Indifferent Broccoli.',
  // Discord ticket closure (in-channel and transcript):
  DISCORD_CLOSE_MESSAGE: process.env.DISCORD_CLOSE_MESSAGE || 'This ticket has been closed. A transcript has been saved. If you still need assistance, please open a new ticket.',
  DISCORD_TRANSCRIPT_MESSAGE: process.env.DISCORD_TRANSCRIPT_MESSAGE || 'Your ticket **{channel_name}** has been closed. Here is your transcript. If you still need assistance, please open a new ticket.',
  DISCORD_AUTO_CLOSE_MESSAGE: process.env.DISCORD_AUTO_CLOSE_MESSAGE || 'This ticket was closed due to inactivity. If you still need assistance, please open a new ticket.',
  AUTO_CLOSE_ENABLED: process.env.AUTO_CLOSE_ENABLED === 'true',
  AUTO_CLOSE_AFTER_HOURS: toInt(process.env.AUTO_CLOSE_AFTER_HOURS, 72),
  AUTO_CLOSE_MESSAGE: process.env.AUTO_CLOSE_MESSAGE || 'This ticket has been automatically closed due to inactivity.',
  GLOBAL_TICKET_LIMIT: toInt(process.env.GLOBAL_TICKET_LIMIT, 5),
  TICKET_LIMIT_PER_CATEGORY: toInt(process.env.TICKET_LIMIT_PER_CATEGORY, 3),
  RATE_LIMIT_TICKETS_PER_USER: toInt(process.env.RATE_LIMIT_TICKETS_PER_USER, 0),
  RATE_LIMIT_WINDOW_MINUTES: toInt(process.env.RATE_LIMIT_WINDOW_MINUTES, 60),
  BLACKLISTED_ROLES: (process.env.BLACKLISTED_ROLES || '').split(',').map(r => r.trim()).filter(Boolean),
  ADDITIONAL_STAFF_ROLES: (process.env.ADDITIONAL_STAFF_ROLES || '').split(',').map(r => r.trim()).filter(Boolean),
  TICKET_WELCOME_MESSAGE: process.env.TICKET_WELCOME_MESSAGE || "We got your ticket. We'll be with you as soon as possible. Feel free to add any additional information to your ticket.",
  TICKET_CLAIMED_MESSAGE: process.env.TICKET_CLAIMED_MESSAGE || 'Ticket claimed by {staff_mention} 🚀',
  TICKET_UNCLAIMED_MESSAGE: process.env.TICKET_UNCLAIMED_MESSAGE || 'Ticket unclaimed by {staff_mention} ☀️',
  REMINDER_ENABLED: process.env.REMINDER_ENABLED === 'true',
  REMINDER_AFTER_HOURS: toInt(process.env.REMINDER_AFTER_HOURS, 24),
  REMINDER_MESSAGE: process.env.REMINDER_MESSAGE || 'Hey {ping}! This ticket has been inactive for {hours} hours. Please provide an update or close the ticket.',
  PRIORITY_ENABLED: process.env.PRIORITY_ENABLED === 'true',
  DEFAULT_PRIORITY: process.env.DEFAULT_PRIORITY || 'normal',
  PRIORITY_HIGH_EMOJI: process.env.PRIORITY_HIGH_EMOJI || '🔴',
  PRIORITY_MEDIUM_EMOJI: process.env.PRIORITY_MEDIUM_EMOJI || '🟡',
  PRIORITY_LOW_EMOJI: process.env.PRIORITY_LOW_EMOJI || '🟢',
  AUTO_UNCLAIM_ENABLED: process.env.AUTO_UNCLAIM_ENABLED === 'true',
  AUTO_UNCLAIM_AFTER_HOURS: toInt(process.env.AUTO_UNCLAIM_AFTER_HOURS, 24),
  ALLOW_CLAIM_OVERWRITE: process.env.ALLOW_CLAIM_OVERWRITE === 'true',
  USE_THREADS: process.env.USE_THREADS === 'true',
  THREAD_PARENT_CHANNEL: process.env.THREAD_PARENT_CHANNEL || process.env.EMAIL_THREAD_CHANNEL_ID || null,
  BUTTON_LABEL_CLOSE: process.env.BUTTON_LABEL_CLOSE || 'Close Ticket',
  BUTTON_LABEL_CLAIM: process.env.BUTTON_LABEL_CLAIM || 'Claim',
  BUTTON_LABEL_UNCLAIM: process.env.BUTTON_LABEL_UNCLAIM || 'Unclaim',
  BUTTON_EMOJI_CLOSE: process.env.BUTTON_EMOJI_CLOSE || '🔒',
  BUTTON_EMOJI_CLAIM: process.env.BUTTON_EMOJI_CLAIM || '📌',
  BUTTON_EMOJI_UNCLAIM: process.env.BUTTON_EMOJI_UNCLAIM || '🔓',
  EMBED_COLOR_OPEN: toInt(process.env.EMBED_COLOR_OPEN, 0x00FF00),
  EMBED_COLOR_CLOSED: toInt(process.env.EMBED_COLOR_CLOSED, 0xFF0000),
  EMBED_COLOR_CLAIMED: toInt(process.env.EMBED_COLOR_CLAIMED, 0xFFFF00),
  EMBED_COLOR_ESCALATED: toInt(process.env.EMBED_COLOR_ESCALATED, 0xFF6600),
  EMBED_COLOR_INFO: toInt(process.env.EMBED_COLOR_INFO, 0x1e2124),
  ADMIN_ID: process.env.ADMIN_ID || null,
  FORCE_CLOSE_TIMER: toInt(process.env.FORCE_CLOSE_TIMER_SECONDS, 60),
  GMAIL_POLL_INTERVAL_MS: toInt(process.env.GMAIL_POLL_INTERVAL_SECONDS, 30) * 1000,
  GMAIL_LOG_CHANNEL_ID: process.env.GMAIL_LOG_CHANNEL_ID || null,
  AUTOMATION_LOG_CHANNEL_ID: process.env.AUTOMATION_LOG_CHANNEL_ID || null,
  RENAME_LOG_CHANNEL_ID: process.env.RENAME_LOG_CHANNEL_ID || null,
  SECURITY_LOG_CHANNEL_ID: process.env.SECURITY_LOG_CHANNEL_ID || null,
  SYSTEM_LOG_CHANNEL_ID: process.env.SYSTEM_LOG_CHANNEL_ID || null,
  STAFF_THREAD_ENABLED: process.env.STAFF_THREAD_ENABLED === 'true',
  STAFF_THREAD_NAME: process.env.STAFF_THREAD_NAME || 'Staff Discussion',
  STAFF_THREAD_AUTO_ADD_ROLE: process.env.STAFF_THREAD_AUTO_ADD_ROLE === 'true',
  STAFF_THREAD_ROLE_ID: process.env.STAFF_THREAD_ROLE_ID || process.env.ROLE_ID_TO_PING || null,
  PIN_INITIAL_MESSAGE_ENABLED: process.env.PIN_INITIAL_MESSAGE_ENABLED === 'true',
  PIN_ESCALATION_MESSAGE_ENABLED: process.env.PIN_ESCALATION_MESSAGE_ENABLED === 'true',
  TRANSCRIPT_DM_TO_CREATOR: process.env.TRANSCRIPT_DM_TO_CREATOR === 'true',
  PIN_SUPPRESS_SYSTEM_MESSAGE: process.env.PIN_SUPPRESS_SYSTEM_MESSAGE === 'true',
  SETTINGS_PORT: toInt(process.env.SETTINGS_PORT, 12752),
  SETTINGS_ADMIN_PASSWORD: process.env.SETTINGS_ADMIN_PASSWORD || null,
  SETTINGS_DOMAIN: process.env.SETTINGS_DOMAIN || 'tickets.indifferentketchup.com',
  INTERNAL_API_PORT: toInt(process.env.INTERNAL_API_PORT, 12753),
  INTERNAL_API_SECRET: process.env.INTERNAL_API_SECRET || null
};

const GAME_NAMES = (CONFIG.GAME_LIST || '')
  .split(',')
  .map(g => g.trim())
  .filter(Boolean);

const GAME_ALIASES = {
  '7D2D': '7 Days to Die',
  '7 days': '7 Days to Die',
  PZ: 'Project Zomboid',
  zomboid: 'Project Zomboid',
  MC: 'Minecraft',
  Ark: 'ARK: Survival Evolved',
  SOTF: 'Sons of the Forest',
  CS2: 'Counter-Strike 2'
};

const GAME_NAME_TO_KEY = {
  'Project Zomboid': 'project_zomboid',
  'Satisfactory': 'satisfactory',
  'Palworld': 'palworld',
  'Minecraft': 'minecraft',
  'Valheim': 'valheim',
  'Enshrouded': 'enshrouded',
  '7 Days to Die': '7_days_to_die',
  'Hytale': 'hytale',
  'ICARUS': 'icarus',
  'Abiotic Factor': 'abiotic_factor',
  'ARK: Survival Evolved': 'ark_survival_evolved',
  'Conan Exiles': 'conan_exiles',
  'Core Keeper': 'core_keeper',
  'Counter-Strike 2': 'counter_strike_2',
  'DayZ': 'dayz',
  'ECO': 'eco',
  'Factorio': 'factorio',
  'FiveM': 'fivem',
  'The Front': 'the_front',
  "Garry's Mod": 'garrys_mod',
  'Necesse': 'necesse',
  'Rust': 'rust',
  'Sons of the Forest': 'sons_of_the_forest',
  'Soulmask': 'soulmask',
  'Star Rupture': 'star_rupture',
  'Terraria': 'terraria',
  'VEIN': 'vein',
  'Vintage Story': 'vintage_story',
  'Voyagers of Nera': 'voyagers_of_nera',
  'V Rising': 'v_rising'
};

module.exports = {
  CONFIG,
  GAME_NAMES,
  GAME_ALIASES,
  GAME_NAME_TO_KEY
};