<?php

namespace App\Http\Controllers\agent;

use App\Http\Controllers\AgentApiController;
use App\Models\Agent\AgentBalanceLog;
use App\Models\Agent\AgentWithdrawAccount;
use App\Models\Agent\AgentWithdrawal;
use App\Models\Agent\AgentRecharge;
use App\Services\Agent\AgentExchangeRate;
use App\Services\Agent\AgentRechargeService;
use App\Services\Agent\AgentWalletService;
use App\Services\Agent\AgentWithdrawalService;
use Illuminate\Http\Request;
use Illuminate\Support\Facades\DB;
use App\Rules\DecimalNumber;

class WalletController extends AgentApiController
{
    public function logs(Request $request)
    {
        return $this->execute(function () use ($request) {
            $data = $request->validate([
                'page' => ['nullable', 'integer', 'min:1'], 'limit' => ['nullable', 'integer', 'min:1', 'max:100'],
                'type' => ['nullable', 'string', 'max:32'], 'start_date' => ['nullable', 'date_format:Y-m-d'],
                'end_date' => ['nullable', 'date_format:Y-m-d', 'after_or_equal:start_date'],
            ]);
            return $this->pageQuery(AgentBalanceLog::query()->where('agent_id', $this->currentAgent()->id), $data);
        });
    }

    public function accounts(Request $request)
    {
        return $this->execute(function () use ($request) {
            return AgentWithdrawAccount::query()->where('agent_id', $this->currentAgent()->id)
                ->where('type', 'usdt')->orderByDesc('id')->get();
        });
    }

    public function saveAccount(Request $request)
    {
        return $this->execute(function () use ($request) {
            // 代理提现仅支持 USDT，地址按公链校验格式。
            $data = $request->validate([
                'id' => ['nullable', 'integer'], 'name' => ['nullable', 'string', 'max:128'],
                'network' => ['required', 'in:TRC20,ERC20'],
                'account' => ['required', 'string', 'max:255', function ($attribute, $value, $fail) use ($request) {
                    $pattern = $request->input('network') === 'ERC20' ? '/^0x[0-9a-fA-F]{40}$/D' : '/^T[1-9A-HJ-NP-Za-km-z]{33}$/D';
                    if (!preg_match($pattern, (string) $value)) $fail('USDT 地址格式错误');
                }],
                'status' => ['nullable', 'integer', 'in:0,1'],
            ]);
            $data['type'] = 'usdt';
            $data['bank_name'] = '';
            $isNew = empty($data['id']);
            foreach (['name', 'network'] as $field) {
                if ($isNew || array_key_exists($field, $data)) {
                    $data[$field] = trim((string) ($data[$field] ?? ''));
                }
            }
            if ($isNew || array_key_exists('status', $data)) {
                $data['status'] = $data['status'] ?? 1;
            }
            $agent = $this->currentAgent();
            $account = $isNew ? new AgentWithdrawAccount() : AgentWithdrawAccount::query()->where('agent_id', $agent->id)->findOrFail($data['id']);
            $account->fill($data);
            $account->agent_id = $agent->id;
            $account->save();
            return $account;
        });
    }

    public function deleteAccount(Request $request)
    {
        return $this->execute(function () use ($request) {
            $data = $request->validate(['id' => ['required', 'integer']]);
            DB::transaction(function () use ($data) {
                $account = AgentWithdrawAccount::query()->where('agent_id', $this->currentAgent()->id)
                    ->lockForUpdate()->findOrFail($data['id']);
                if (AgentWithdrawal::query()->where('account_id', $account->id)->whereIn('status', ['pending', 'approved'])->exists()) {
                    throw new \RuntimeException('该账户有处理中的提现，不能删除');
                }
                $account->delete();
            });
            return [];
        });
    }

    public function withdrawals(Request $request)
    {
        return $this->execute(function () use ($request) {
            $data = $request->validate([
                'page' => ['nullable', 'integer', 'min:1'], 'limit' => ['nullable', 'integer', 'min:1', 'max:100'],
                'status' => ['nullable', 'in:pending,approved,rejected,paid'], 'start_date' => ['nullable', 'date_format:Y-m-d'],
                'end_date' => ['nullable', 'date_format:Y-m-d', 'after_or_equal:start_date'],
            ]);
            return $this->pageQuery(AgentWithdrawal::query()->where('agent_id', $this->currentAgent()->id), $data);
        });
    }

    public function requestWithdrawal(Request $request, AgentWithdrawalService $service)
    {
        return $this->execute(function () use ($request, $service) {
            $data = $request->validate([
                'account_id' => ['required', 'integer'], 'usdt_amount' => ['required', 'numeric', 'min:0.0001', new DecimalNumber()],
                'withdraw_password' => ['required', 'string'], 'remark' => ['nullable', 'string', 'max:500'],
                'request_id' => ['required', 'string', 'max:64'],
            ]);
            return $service->request($this->currentAgent(), (int) $data['account_id'], (string) $data['usdt_amount'], $data['withdraw_password'], $data['request_id'], (string) ($data['remark'] ?? ''));
        });
    }

    /** 余额构成：总余额、保证金、盈亏、可提现。 */
    public function summary(AgentWalletService $wallets)
    {
        return $this->execute(fn () => $wallets->funds($this->currentAgent()->fresh()) + [
            'withdraw_exchange_rate' => AgentExchangeRate::withdraw(),
            'recharge_exchange_rate' => AgentExchangeRate::recharge(),
        ]);
    }

    public function rechargeAddress(Request $request, AgentRechargeService $service)
    {
        return $this->execute(function () use ($request, $service) {
            $data = $request->validate(['net' => ['nullable', 'in:trc20,erc20,TRC20,ERC20']]);
            return $service->address($this->currentAgent(), (string) ($data['net'] ?? 'trc20'));
        });
    }

    public function submitRecharge(Request $request, AgentRechargeService $service)
    {
        return $this->execute(function () use ($request, $service) {
            $data = $request->validate([
                'net' => ['required', 'in:trc20,erc20,TRC20,ERC20'],
                'usdt_amount' => ['required', 'numeric', 'min:0.01', new DecimalNumber()],
                'to_address' => ['required', 'string', 'max:64'],
                'image' => ['required', 'url', 'max:1000'],
            ]);
            return $service->submitProof($this->currentAgent(), $data);
        });
    }

    public function recharges(Request $request)
    {
        return $this->execute(function () use ($request) {
            $data = $request->validate([
                'page' => ['nullable', 'integer', 'min:1'], 'limit' => ['nullable', 'integer', 'min:1', 'max:100'],
                'status' => ['nullable', 'integer', 'in:0,1,2,3'], 'start_date' => ['nullable', 'date_format:Y-m-d'],
                'end_date' => ['nullable', 'date_format:Y-m-d', 'after_or_equal:start_date'],
            ]);
            $query = AgentRecharge::query()->where('agent_id', $this->currentAgent()->id);
            if (isset($data['status'])) $query->where('status', (int) $data['status']);
            unset($data['status']);
            return $this->pageQuery($query, $data);
        });
    }

    private function pageQuery($query, array $data): array
    {
        $page = max(1, (int) ($data['page'] ?? 1));
        $limit = min(100, max(1, (int) ($data['limit'] ?? 20)));
        if (!empty($data['type'])) $query->where('type', $data['type']);
        if (!empty($data['status'])) $query->where('status', $data['status']);
        if (!empty($data['start_date'])) $query->where('created_at', '>=', $data['start_date'] . ' 00:00:00');
        if (!empty($data['end_date'])) $query->where('created_at', '<=', $data['end_date'] . ' 23:59:59');
        $total = (clone $query)->count();
        $list = $query->orderByDesc('id')->forPage($page, $limit)->get();
        return compact('total', 'page', 'limit', 'list');
    }
}