<?php

namespace App\Http\Controllers\agent;

use App\Http\Controllers\AgentApiController;
use App\Models\Agent\Agent;
use App\Models\Agent\AgentCommission;
use App\Models\Agent\AgentCommissionRule;
use App\Services\Agent\AgentCommissionService;
use App\Services\Agent\AgentReportService;
use App\Services\Agent\AgentService;
use Illuminate\Http\Request;
use App\Rules\DecimalNumber;

class CommissionController extends AgentApiController
{
    public function records(Request $request, AgentReportService $reports)
    {
        return $this->execute(function () use ($request, $reports) {
            $data = $request->validate([
                'page' => ['nullable', 'integer', 'min:1'], 'limit' => ['nullable', 'integer', 'min:1', 'max:100'],
                'type' => ['nullable', 'in:flow,profit'], 'status' => ['nullable', 'in:pending,credited'],
                'start_date' => ['nullable', 'date_format:Y-m-d'], 'end_date' => ['nullable', 'date_format:Y-m-d', 'after_or_equal:start_date'],
                'include_children' => ['nullable', 'boolean'],
            ]);
            $page = max(1, (int) ($data['page'] ?? 1));
            $limit = min(100, max(1, (int) ($data['limit'] ?? 20)));
            $agent = $this->currentAgent();
            $ids = !empty($data['include_children']) ? $reports->visibleAgentIds($agent) : [(int) $agent->id];
            $query = AgentCommission::query()->with('agent:id,username')->whereIn('agent_id', $ids);
            if (!empty($data['type'])) $query->where('type', $data['type']);
            if (!empty($data['status'])) $query->where('status', $data['status']);
            if (!empty($data['start_date'])) $query->where('settlement_date', '>=', $data['start_date']);
            if (!empty($data['end_date'])) $query->where('settlement_date', '<=', $data['end_date']);
            $total = (clone $query)->count();
            $list = $query->orderByDesc('settlement_date')->orderByDesc('id')->forPage($page, $limit)->get();
            return compact('total', 'page', 'limit', 'list');
        });
    }

    public function rules(Request $request, AgentReportService $reports)
    {
        return $this->execute(function () use ($request, $reports) {
            $data = $request->validate(['include_children' => ['nullable', 'boolean']]);
            $agent = $this->currentAgent();
            $ids = !empty($data['include_children']) ? $reports->visibleAgentIds($agent) : [(int) $agent->id];
            return AgentCommissionRule::query()->with('agent:id,username')->whereIn('agent_id', $ids)->orderByDesc('effective_from')->get();
        });
    }

    public function saveRule(Request $request, AgentService $agents, AgentCommissionService $commissions)
    {
        return $this->execute(function () use ($request, $agents, $commissions) {
            $root = $this->currentAgent();
            $data = $request->validate([
                'agent_id' => ['required', 'integer', 'exists:agents,id'],
                'flow_rate' => ['required', 'numeric', 'between:0,100', new DecimalNumber(3, 4)],
                'profit_rate' => ['required', 'numeric', 'between:0,100', new DecimalNumber(3, 4)],
                'effective_from' => ['required', 'date_format:Y-m-d', 'date_equals:' . now()->toDateString()],
            ]);
            if ((int) $data['agent_id'] === (int) $root->id) throw new \RuntimeException('代理不能修改自己的佣金比例');
            $agents->assertVisible($root, (int) $data['agent_id']);
            return $commissions->saveRule(Agent::query()->findOrFail($data['agent_id']), (string) $data['flow_rate'], (string) $data['profit_rate'], $data['effective_from'], null);
        });
    }
}