<?php

use App\Livewire\Public\StationSearch;
use Illuminate\Foundation\Testing\RefreshDatabase;
use Illuminate\Support\Facades\Http;
use Livewire\Livewire;

uses(RefreshDatabase::class);

it('renders the station search form', function () {
    Livewire::test(StationSearch::class)
        ->assertStatus(200)
        ->assertSeeHtml('name="search"')
        ->assertSeeHtml('name="fuelType"')
        ->assertSeeHtml('name="radius"');
});

it('validates search is required', function () {
    Livewire::test(StationSearch::class)
        ->call('findStations')
        ->assertHasErrors(['search' => 'required']);
});

it('validates fuelType is required', function () {
    Livewire::test(StationSearch::class)
        ->set('search', 'SW1A 1AA')
        ->set('fuelType', '')
        ->call('findStations')
        ->assertHasErrors(['fuelType' => 'required']);
});

it('populates results and meta on successful search', function () {
    Http::fake([
        '*/api/stations*' => Http::response([
            'data' => [
                [
                    'station_id' => 'abc123',
                    'name' => 'BP Garage',
                    'brand' => 'BP',
                    'is_supermarket' => false,
                    'address' => '1 High Street, London',
                    'postcode' => 'SW1A 1AA',
                    'lat' => 51.5074,
                    'lng' => -0.1278,
                    'distance_km' => 1.5,
                    'fuel_type' => 'e10',
                    'price_pence' => 14390,
                    'price' => 143.9,
                    'price_updated_at' => '2026-04-05T08:00:00.000Z',
                    'price_classification' => 'current',
                    'price_classification_label' => 'Current',
                ],
            ],
            'meta' => [
                'count' => 1,
                'fuel_type' => 'e10',
                'radius_km' => 8.05,
                'lat' => 51.5010,
                'lng' => -0.1415,
                'lowest_pence' => 14390,
                'highest_pence' => 14390,
                'cheapest_price_pence' => 14390,
                'avg_pence' => 14390.0,
            ],
        ], 200),
    ]);

    Livewire::test(StationSearch::class)
        ->set('search', 'SW1A 1AA')
        ->set('fuelType', 'petrol')
        ->set('radius', 5)
        ->call('findStations')
        ->assertSet('apiError', null)
        ->assertSet('results', fn (array $r) => count($r) === 1 && $r[0]['name'] === 'BP Garage')
        ->assertSet('meta', fn (array $m) => $m['count'] === 1);
});

it('sets apiError from 422 postcode validation response', function () {
    Http::fake([
        '*/api/stations*' => Http::response([
            'errors' => ['postcode' => ['Postcode not found.']],
        ], 422),
    ]);

    Livewire::test(StationSearch::class)
        ->set('search', 'ZZ99 9ZZ')
        ->set('fuelType', 'petrol')
        ->call('findStations')
        ->assertSet('results', [])
        ->assertSet('meta', [])
        ->assertSet('apiError', 'Postcode not found.');
});

it('sets generic apiError on server error', function () {
    Http::fake([
        '*/api/stations*' => Http::response([], 500),
    ]);

    Livewire::test(StationSearch::class)
        ->set('search', 'SW1A 1AA')
        ->set('fuelType', 'petrol')
        ->call('findStations')
        ->assertSet('results', [])
        ->assertSet('meta', [])
        ->assertSet('apiError', 'Unable to fetch stations. Please try again.');
});

it('converts radius from miles to km in the outgoing API request', function () {
    Http::fake([
        '*/api/stations*' => Http::response(['data' => [], 'meta' => ['count' => 0]], 200),
    ]);

    Livewire::test(StationSearch::class)
        ->set('search', 'SW1A 1AA')
        ->set('fuelType', 'petrol')
        ->set('radius', 5)
        ->call('findStations');

    Http::assertSent(function ($request) {
        $data = $request->data();

        return isset($data['radius']) && abs((float) $data['radius'] - 8.05) < 0.01
            && isset($data['fuel_type']) && $data['fuel_type'] === 'petrol';
    });
});

it('resets results and error before each new search', function () {
    Http::fake([
        '*/api/stations*' => Http::response(['data' => [], 'meta' => ['count' => 0]], 200),
    ]);

    Livewire::test(StationSearch::class)
        ->set('search', 'SW1A 1AA')
        ->set('fuelType', 'petrol')
        ->set('results', [['name' => 'Old Result']])
        ->set('apiError', 'Old error')
        ->call('findStations')
        ->assertSet('apiError', null)
        ->assertSet('results', []);
});