<?php

namespace App\Http\Controllers\Api\V1\Me;

use App\Http\Controllers\Api\V1\ApiController;
use App\Models\Household;
use App\Models\Trip;
use App\Services\DropOff\DropOffPointFinder;
use Illuminate\Http\JsonResponse;
use Illuminate\Http\Request;

class UpcomingPickupsController extends ApiController
{
    /**
     * Trips scheduled at or after today whose route includes this
     * resident's assigned drop-off point. In-progress trips are
     * always included so the resident sees a "truck on the way"
     * card even mid-day.
     */
    public function index(Request $request, DropOffPointFinder $finder): JsonResponse
    {
        $household = Household::with('assignedDropOffPoint')
            ->where('head_user_id', $request->user()->id)
            ->first();

        if (! $household) {
            return $this->ok([
                'household_assigned' => false,
                'pickups' => [],
            ]);
        }

        $nearbyDopIds = [];

        if ($household->coordinates) {
            $nearbyDops = $finder->nearby(
                $household->coordinates->latitude,
                $household->coordinates->longitude,
                2.0, // 2km radius
                10   // max 10 nearby drop-off points
            );
            $nearbyDopIds = $nearbyDops->pluck('id')->toArray();
        }

        if ($household->assigned_drop_off_point_id) {
            $nearbyDopIds[] = $household->assigned_drop_off_point_id;
        }

        $nearbyDopIds = array_unique($nearbyDopIds);

        if (empty($nearbyDopIds)) {
            return $this->ok([
                'household_assigned' => (bool) $household->assigned_drop_off_point_id,
                'drop_off_point' => null,
                'pickups' => [],
            ]);
        }

        $trips = Trip::query()
            ->with([
                'route:id,name,code',
                'route.stops' => fn ($q) => $q->whereIn('drop_off_point_id', $nearbyDopIds),
                'team:id,name,driver_id',
                'team.driver:id,first_name,last_name',
                'truck:id,plate_number',
            ])
            ->whereHas('route.stops', fn ($q) => $q->whereIn('drop_off_point_id', $nearbyDopIds))
            ->whereNotIn('status', [Trip::STATUS_CANCELLED, Trip::STATUS_COMPLETED])
            ->where(function ($query) {
                // Future dates are always upcoming (evaluated in Manila time)
                $query->where('scheduled_date', '>', now('Asia/Manila')->toDateString())
                    // For today, check the time
                    ->orWhere(function ($q) {
                        $q->where('scheduled_date', now('Asia/Manila')->toDateString())
                            ->where(function ($sub) {
                                // Keep if the time hasn't passed yet (evaluated in Manila time)
                                $sub->where('scheduled_start_time', '>=', now('Asia/Manila')->toTimeString())
                                    // OR if the driver has already started the trip
                                    ->orWhereIn('status', [Trip::STATUS_IN_PROGRESS, Trip::STATUS_AT_DUMPSITE]);
                            });
                    });
            })
            ->orderBy('scheduled_date')
            ->orderBy('scheduled_start_time')
            ->limit(10)
            ->get();

        $pickups = $trips->map(function (Trip $trip) {
            $myStop = $trip->route?->stops->first();

            return [
                'trip_id' => $trip->uuid,
                'trip_number' => $trip->trip_number,
                'status' => $trip->status,
                'scheduled_date' => $trip->scheduled_date?->toDateString(),
                'scheduled_start_time' => $trip->scheduled_start_time,
                'route' => $trip->route?->name,
                'truck_plate' => $trip->truck?->plate_number,
                'driver_name' => $trip->team?->driver?->full_name,
                'my_stop_sequence' => $myStop?->sequence,
            ];
        });

        return $this->ok([
            'household_assigned' => (bool) $household->assigned_drop_off_point_id,
            'drop_off_point' => $household->assignedDropOffPoint ? [
                'id' => $household->assignedDropOffPoint->uuid,
                'name' => $household->assignedDropOffPoint->name,
            ] : null,
            'pickups' => $pickups,
        ]);
    }
}