<?php

use Illuminate\Database\Migrations\Migration;
use Illuminate\Database\Schema\Blueprint;
use Illuminate\Support\Facades\Schema;

return new class extends Migration
{
    public function up(): void
    {
        // ---------------------------------------------------------------
        // PERSONAL ACCESS TOKENS  (Sanctum)
        // ---------------------------------------------------------------
        Schema::create('personal_access_tokens', function (Blueprint $table) {
            $table->id();
            $table->morphs('tokenable');
            $table->text('name');
            $table->string('token', 64)->unique();
            $table->text('abilities')->nullable();
            $table->timestamp('last_used_at')->nullable();
            $table->timestamp('expires_at')->nullable()->index();
            $table->timestamps();
        });

        // ---------------------------------------------------------------
        // WALLETS  (per-currency balance per user)
        // ---------------------------------------------------------------
        Schema::create('wallets', function (Blueprint $table) {
            $table->id();
            $table->foreignId('user_id')->constrained()->cascadeOnDelete();
            $table->string('currency', 10);   // BTC | ETH | SOL | BTX | EUR
            $table->decimal('balance', 20, 8)->default(0);
            $table->string('deposit_address')->nullable();
            $table->timestamps();

            $table->unique(['user_id', 'currency']);
            $table->index(['user_id', 'currency']);
        });

        // ---------------------------------------------------------------
        // WALLET TRANSFERS  (main balance <-> vault, audit log)
        // ---------------------------------------------------------------
        Schema::create('wallet_transfers', function (Blueprint $table) {
            $table->id();
            $table->foreignId('user_id')->constrained()->cascadeOnDelete();
            $table->enum('type', ['deposit', 'withdraw']); // deposit = main->vault, withdraw = vault->main
            $table->decimal('amount', 20, 4);
            $table->decimal('balance_before', 20, 4);
            $table->decimal('balance_after', 20, 4);
            $table->decimal('vault_before', 20, 4);
            $table->decimal('vault_after', 20, 4);
            $table->string('currency', 10)->default('BTX');
            $table->string('idempotency_key', 64)->nullable();
            $table->json('meta')->nullable();
            $table->timestamps();

            $table->index(['user_id', 'created_at']);
            $table->index(['user_id', 'type']);
            $table->unique(['user_id', 'idempotency_key']);
        });

        // ---------------------------------------------------------------
        // VAULT TRANSFERS  (encrypted audit trail)
        // ---------------------------------------------------------------
        Schema::create('vault_transfers', function (Blueprint $table) {
            $table->id();
            $table->foreignId('user_id')->constrained()->cascadeOnDelete();
            $table->string('direction', 16);       // to_vault | from_vault
            $table->text('amount');                // Encrypted
            $table->text('main_balance_before');   // Encrypted
            $table->text('main_balance_after');    // Encrypted
            $table->text('vault_balance_before');  // Encrypted
            $table->text('vault_balance_after');   // Encrypted
            $table->string('idempotency_key', 64)->nullable();
            $table->string('source', 16)->default('web'); // web | api
            $table->unsignedBigInteger('created_by')->nullable();
            $table->text('metadata')->nullable();  // Encrypted
            $table->timestamps();

            $table->index(['user_id', 'created_at']);
            $table->index(['user_id', 'direction']);
            $table->unique(['user_id', 'idempotency_key']);
        });

        // ---------------------------------------------------------------
        // CRYPTO PAYMENTS  (NOWPayments / on-chain deposits)
        // ---------------------------------------------------------------
        Schema::create('crypto_payments', function (Blueprint $table) {
            $table->id();
            $table->foreignId('user_id')->constrained()->cascadeOnDelete();
            $table->uuid('order_id')->unique();
            $table->string('invoice_id')->unique();
            $table->string('payment_id')->unique();
            $table->string('pay_currency', 20);
            $table->decimal('pay_amount', 36, 18)->nullable();
            $table->decimal('actually_paid', 36, 18)->nullable();
            $table->string('pay_address')->nullable();
            $table->decimal('price_amount', 20, 8)->nullable();
            $table->string('price_currency', 10)->default('USD');
            $table->decimal('exchange_rate_at_payment', 28, 12)->nullable();
            $table->string('status', 40)->index(); // waiting | confirming | finished | failed | expired | partially_paid
            $table->unsignedInteger('confirmations')->nullable();
            $table->json('tx_hash')->nullable();
            $table->decimal('fee', 36, 18)->nullable();
            $table->json('raw_payload')->nullable();
            $table->decimal('credited_btx', 20, 8)->nullable();
            $table->timestamp('credited_at')->nullable();
            $table->timestamps();

            $table->index(['user_id', 'status']);
        });
    }

    public function down(): void
    {
        Schema::dropIfExists('crypto_payments');
        Schema::dropIfExists('vault_transfers');
        Schema::dropIfExists('wallet_transfers');
        Schema::dropIfExists('wallets');
        Schema::dropIfExists('personal_access_tokens');
    }
};