<?php

declare(strict_types=1);

use App\Framework\Svg\Charts\BarChart;
use App\Framework\Svg\Charts\ValueObjects\ChartConfig;
use App\Framework\Svg\Charts\ValueObjects\ChartData;
use App\Framework\Svg\Charts\ValueObjects\DataPoint;

test('can create bar chart from array', function () {
    $data = [
        'Jan' => 100,
        'Feb' => 150,
        'Mar' => 120,
    ];

    $chart = BarChart::fromArray($data);

    expect($chart->data->count())->toBe(3);
});

test('can render bar chart to SVG', function () {
    $data = [
        'Jan' => 100,
        'Feb' => 150,
        'Mar' => 120,
    ];

    $chart = BarChart::fromArray($data);
    $svg = $chart->render();

    expect($svg)->toContain('<svg')
        ->and($svg)->toContain('<rect')
        ->and($svg)->toContain('Jan')
        ->and($svg)->toContain('Feb')
        ->and($svg)->toContain('Mar');
});

test('chart data validates minimum value correctly', function () {
    $data = new ChartData([
        new DataPoint('A', 10),
        new DataPoint('B', 5),
        new DataPoint('C', 15),
    ]);

    expect($data->getMinValue())->toBe(5.0);
});

test('chart data validates maximum value correctly', function () {
    $data = new ChartData([
        new DataPoint('A', 10),
        new DataPoint('B', 5),
        new DataPoint('C', 15),
    ]);

    expect($data->getMaxValue())->toBe(15.0);
});

test('chart data calculates sum correctly', function () {
    $data = new ChartData([
        new DataPoint('A', 10),
        new DataPoint('B', 20),
        new DataPoint('C', 30),
    ]);

    expect($data->getSum())->toBe(60.0);
});

test('chart data calculates average correctly', function () {
    $data = new ChartData([
        new DataPoint('A', 10),
        new DataPoint('B', 20),
        new DataPoint('C', 30),
    ]);

    expect($data->getAverage())->toBe(20.0);
});

test('chart config can create dark theme', function () {
    $config = ChartConfig::default();
    $darkConfig = $config->darkTheme();

    expect($darkConfig->backgroundColor->toHex())->toContain('11'); // Dark background
});

test('chart data cannot be empty', function () {
    new ChartData([]);
})->throws(\App\Framework\Exception\FrameworkException::class);

test('data point can check if positive', function () {
    $positive = new DataPoint('A', 10);
    $negative = new DataPoint('B', -5);
    $zero = new DataPoint('C', 0);

    expect($positive->isPositive())->toBeTrue()
        ->and($negative->isPositive())->toBeFalse()
        ->and($zero->isPositive())->toBeFalse();
});

test('data point can scale value', function () {
    $point = new DataPoint('A', 10);
    $scaled = $point->scale(2.5);

    expect($scaled->value)->toBe(25.0)
        ->and($scaled->label)->toBe('A');
});