ward

/**
 * Player-friendly labels for PAPI placeholder names. Used wherever a
 * requirement expression is shown to a normal player -- the rank menu
 * lore, `/nextrank` output, failure messages -- so they see "Money"
 * instead of `{vault_eco_balance}`.
 *
 * Lookup is case-insensitive; the canonical key is the lowercase
 * placeholder name (without the surrounding braces). Server owners
 * extending this table should target the EXACT placeholder string
 * after the expansion's identifier prefix, e.g. PAPI's
 * `%vault_eco_balance%` lands here as `vault_eco_balance`.
 *
 * If a placeholder isn't in the table, [placeholderFriendly] falls
 * back to a snake_case -> Title Case transform: `playtime_hours`
 * becomes "Playtime Hours". That handles the long tail without
 * exploding the table.
 */
const FRIENDLY: Record<string, string> = {
  // ---- Vault economy
  vault_eco_balance: "Money",
  vault_eco_balance_fixed: "Money",
  vault_eco_balance_formatted: "Money",
  vault_balance: "Money",
  vault_balance_formatted: "Money",
  vault_currency_symbol: "Currency Symbol",

  // ---- Vanilla / player stats
  player_health: "Health",
  player_max_health: "Max Health",
  player_food_level: "Hunger",
  player_saturation: "Saturation",
  player_level: "XP Level",
  player_exp: "XP",
  player_exp_to_level: "XP to next level",
  player_total_exp: "Total XP",
  player_ping: "Ping",
  player_name: "Name",
  player_displayname: "Display Name",
  player_world: "World",
  player_gamemode: "Gamemode",
  player_x: "X",
  player_y: "Y",
  player_z: "Z",
  player_uuid: "UUID",
  player_first_played: "First Joined",
  player_last_played: "Last Played",
  player_has_played_before: "Returning Player",

  // ---- Server
  server_online: "Players Online",
  server_max_players: "Max Players",
  server_tps: "TPS",
  server_uptime: "Uptime",

  // ---- Statistic expansion (PAPI's `statistic_*`)
  statistic_mine_block_diamond_ore: "Diamond Ore Mined",
  statistic_mine_block_iron_ore: "Iron Ore Mined",
  statistic_mine_block_gold_ore: "Gold Ore Mined",
  statistic_mine_block_emerald_ore: "Emerald Ore Mined",
  statistic_play_one_minute: "Playtime (minutes)",
  statistic_time_since_death: "Time Since Death",
  statistic_deaths: "Deaths",
  statistic_mob_kills: "Mob Kills",
  statistic_player_kills: "Player Kills",
  statistic_jump: "Jumps",
  statistic_walk_one_cm: "Distance Walked (cm)",

  // ---- Playtime expansion
  playtime_hours: "Playtime (hours)",
  playtime_minutes: "Playtime (minutes)",
  playtime_seconds: "Playtime (seconds)",
  playtime_days: "Playtime (days)",
  playtime_player_hours: "Playtime (hours)",

  // ---- Ward (our own)
  ward_group: "Group",
  ward_prefix: "Prefix",
  ward_suffix: "Suffix",
  ward_groups: "Groups",
  ward_track: "Track",
  ward_track_rung: "Track Position",
};

function snakeToTitle(name: string): string {
  return name
    .split(/[_\-\.]/g)
    .filter((p) => p.length > 0)
    .map((p) => p.charAt(0).toUpperCase() + p.slice(1).toLowerCase())
    .join(" ");
}

/**
 * Friendly label for a single placeholder name (no braces).
 * Case-insensitive lookup; falls back to snake_case -> Title Case.
 */
export function placeholderFriendly(name: string): string {
  const lower = name.toLowerCase();
  return FRIENDLY[lower] ?? snakeToTitle(lower);
}

/**
 * Rewrites a requirement expression to swap every `{placeholder}` token
 * for its friendly label. Operators, literals, parentheses are left
 * untouched, so `{vault_eco_balance} >= 500` becomes `Money >= 500`.
 *
 * Used by anything player-visible: rank menu lore, /nextrank output,
 * blocked-promote chat messages. Admin-facing surfaces (web dashboard,
 * /ward track ...) keep the raw expression so server owners can copy/edit.
 */
export function expressionFriendly(expr: string): string {
  return expr.replace(/\{([^}]+)\}/g, (_, name) => placeholderFriendly(String(name).trim()));
}