package com.bitcointxoko.gudariwallet.util

object WalletConstants {

    // ── Unit conversion ───────────────────────────────────────────────────────
    const val MSAT_PER_SAT = 1_000L        // millisatoshis per satoshi

    // ── Polling ───────────────────────────────────────────────────────────────
    const val POLL_INTERVAL_MS  = 3_000L   // delay between payment status checks
    const val POLL_MAX_ATTEMPTS = 200      // 200 × 3s = 10 minutes max

    // ── WebSocket reconnect ───────────────────────────────────────────────────
    const val WS_INITIAL_BACKOFF_MS = 1_000L    // first retry delay
    const val WS_MAX_BACKOFF_MS     = 16_000L   // cap — never wait longer than this
    const val WS_MAX_ATTEMPTS       = 5         // give up after 5 failed reconnects

    // ── SharedPreferences ─────────────────────────────────────────────────────
    const val PREFS_NAME            = "lnbits_prefs"
    const val PREFS_BASE_URL        = "base_url"
    const val PREFS_INVOICE_KEY_ENC = "invoice_key_enc"
    const val PREFS_ADMIN_KEY_ENC   = "admin_key_enc"
    const val PREFS_ONBOARDED       = "onboarded"

    // ── Network ───────────────────────────────────────────────────────────────
    const val CONNECT_TIMEOUT_S = 15L
    const val READ_TIMEOUT_S    = 30L
    const val WRITE_TIMEOUT_S   = 15L

    // ── WebSocket close ───────────────────────────────────────────────────────
    const val WS_CLOSE_NORMAL = 1000

    // ── History pagination ────────────────────────────────────────────────────
    const val PAYMENTS_PAGE_SIZE = 20
    // ── Alias cache ───────────────────────────────────────────────────────────
    const val ALIAS_CACHE_TTL_MS    = 3_600_000L    // 1 hour  — in-memory stale threshold
    const val ALIAS_PREFS_NAME      = "alias_cache_prefs"
    const val ALIAS_PREFS_KEY       = "alias_cache"
    const val ALIAS_PERSIST_TTL_MS  = 86_400_000L   // 24 hours — drop on load if older than this
    // ── Payments cache ────────────────────────────────────────────────────────
//    const val PAYMENTS_PREFS_NAME       = "payment_cache_prefs"
//    const val PAYMENTS_PREFS_KEY        = "payment_list"
//    const val PAYMENTS_PREFS_SAVED_AT   = "payment_list_saved_at"
    const val PAYMENTS_CACHE_TTL_MS     = 300_000L      // 5 minutes — show stale, refresh in background
    // ── Balance cache ─────────────────────────────────────────────────────────
    const val BALANCE_PREFS_NAME        = "balance_cache_prefs"
    const val BALANCE_PREFS_KEY         = "last_balance_sats"
    const val BALANCE_PREFS_SAVED_AT    = "last_balance_saved_at"
    const val BALANCE_CACHE_TTL_MS      = 3_600_000L              // 1 hour
    // ── LNURL metadata cache ──────────────────────────────────────────────────
    const val LNURL_CACHE_PREFS_NAME    = "lnurl_cache_prefs"
    const val LNURL_CACHE_PREFS_KEY     = "lnurl_entries"
    const val LNURL_CACHE_TTL_MS        = 3_600_000L   // 1 hour
}