<?php

declare(strict_types=1);

namespace Tests\Framework\Console\Progress;

use App\Framework\Console\Progress\ProgressTracker;
use Tests\Framework\Console\Helpers\TestConsoleOutput;

describe('ProgressTracker', function () {
    beforeEach(function () {
        $this->output = new TestConsoleOutput();
    });

    it('creates progress tracker', function () {
        $tracker = new ProgressTracker($this->output, 100, 'Test Progress');

        expect($tracker)->toBeInstanceOf(ProgressTracker::class);
    });

    it('creates progress tracker with default title', function () {
        $tracker = new ProgressTracker($this->output, 100);

        expect($tracker)->toBeInstanceOf(ProgressTracker::class);
    });

    it('ensures total is at least 1', function () {
        $tracker = new ProgressTracker($this->output, 0);

        // Should not throw, total should be adjusted to 1
        expect($tracker)->toBeInstanceOf(ProgressTracker::class);
    });

    it('renders initial progress', function () {
        $tracker = new ProgressTracker($this->output, 100, 'Test');

        expect($this->output->capturedWrites)->not->toBeEmpty();
    });

    it('advances progress', function () {
        $tracker = new ProgressTracker($this->output, 100, 'Test');
        $tracker->advance(10);

        expect($tracker->getProgress())->toBeGreaterThan(0);
    });

    it('advances by custom step', function () {
        $tracker = new ProgressTracker($this->output, 100, 'Test');
        $tracker->advance(25);

        expect($tracker->getProgress())->toBe(0.25);
    });

    it('advances with task description', function () {
        $tracker = new ProgressTracker($this->output, 100, 'Test');
        $tracker->advance(10, 'Processing item 1');

        expect($tracker->getProgress())->toBeGreaterThan(0);
    });

    it('sets progress directly', function () {
        $tracker = new ProgressTracker($this->output, 100, 'Test');
        $tracker->setProgress(50);

        expect($tracker->getProgress())->toBe(0.5);
    });

    it('sets progress with task', function () {
        $tracker = new ProgressTracker($this->output, 100, 'Test');
        $tracker->setProgress(50, 'Halfway done');

        expect($tracker->getProgress())->toBe(0.5);
    });

    it('does not exceed total', function () {
        $tracker = new ProgressTracker($this->output, 100, 'Test');
        $tracker->setProgress(150);

        expect($tracker->getProgress())->toBe(1.0);
    });

    it('does not go below zero', function () {
        $tracker = new ProgressTracker($this->output, 100, 'Test');
        $tracker->setProgress(-10);

        expect($tracker->getProgress())->toBe(0.0);
    });

    it('sets task separately', function () {
        $tracker = new ProgressTracker($this->output, 100, 'Test');
        $tracker->setTask('Current task');

        expect($tracker)->toBeInstanceOf(ProgressTracker::class);
    });

    it('finishes progress', function () {
        $tracker = new ProgressTracker($this->output, 100, 'Test');
        $tracker->finish();

        expect($tracker->isFinished())->toBeTrue();
        expect($tracker->getProgress())->toBe(1.0);
    });

    it('finishes with message', function () {
        $tracker = new ProgressTracker($this->output, 100, 'Test');
        $tracker->finish('Completed!');

        expect($tracker->isFinished())->toBeTrue();
        expect($this->output->capturedLines)->not->toBeEmpty();
    });

    it('does not advance when finished', function () {
        $tracker = new ProgressTracker($this->output, 100, 'Test');
        $tracker->finish();
        $tracker->advance(10);

        expect($tracker->isFinished())->toBeTrue();
    });

    it('does not set progress when finished', function () {
        $tracker = new ProgressTracker($this->output, 100, 'Test');
        $tracker->finish();
        $tracker->setProgress(50);

        expect($tracker->isFinished())->toBeTrue();
    });

    it('gets progress as float', function () {
        $tracker = new ProgressTracker($this->output, 100, 'Test');
        $tracker->setProgress(50);

        expect($tracker->getProgress())->toBe(0.5);
        expect($tracker->getProgress())->toBeFloat();
    });

    it('gets elapsed time', function () {
        $tracker = new ProgressTracker($this->output, 100, 'Test');
        usleep(100000); // 100ms
        $elapsed = $tracker->getElapsedTime();

        expect($elapsed)->toBeGreaterThan(0);
        expect($elapsed)->toBeFloat();
    });

    it('gets estimated time remaining', function () {
        $tracker = new ProgressTracker($this->output, 100, 'Test');
        $tracker->setProgress(50);
        usleep(100000); // 100ms

        $eta = $tracker->getEstimatedTimeRemaining();
        expect($eta)->not->toBeNull();
        expect($eta)->toBeFloat();
        expect($eta)->toBeGreaterThan(0);
    });

    it('returns null for estimated time when at start', function () {
        $tracker = new ProgressTracker($this->output, 100, 'Test');

        expect($tracker->getEstimatedTimeRemaining())->toBeNull();
    });

    it('sets total dynamically', function () {
        $tracker = new ProgressTracker($this->output, 100, 'Test');
        $tracker->setTotal(200);

        expect($tracker->getProgress())->toBeLessThan(0.1); // Progress should be recalculated
    });

    it('ensures total is at least 1 when setting', function () {
        $tracker = new ProgressTracker($this->output, 100, 'Test');
        $tracker->setTotal(0);

        // Should not throw, total should be adjusted to 1
        expect($tracker)->toBeInstanceOf(ProgressTracker::class);
    });

    it('automatically finishes when progress reaches total', function () {
        $tracker = new ProgressTracker($this->output, 100, 'Test');
        $tracker->setProgress(100);

        expect($tracker->isFinished())->toBeTrue();
    });

    it('automatically finishes when advance reaches total', function () {
        $tracker = new ProgressTracker($this->output, 100, 'Test');
        $tracker->advance(100);

        expect($tracker->isFinished())->toBeTrue();
    });

    it('handles very large total', function () {
        $tracker = new ProgressTracker($this->output, 1000000, 'Test');
        $tracker->advance(100000);

        expect($tracker->getProgress())->toBe(0.1);
    });

    it('handles edge case with total of 1', function () {
        $tracker = new ProgressTracker($this->output, 1, 'Test');
        $tracker->advance(1);

        expect($tracker->isFinished())->toBeTrue();
        expect($tracker->getProgress())->toBe(1.0);
    });
});

describe('ProgressType', function () {
    it('has all expected enum values', function () {
        expect(\App\Framework\Console\Progress\ProgressType::AUTO->value)->toBe('auto');
        expect(\App\Framework\Console\Progress\ProgressType::TRACKER->value)->toBe('tracker');
        expect(\App\Framework\Console\Progress\ProgressType::SPINNER->value)->toBe('spinner');
        expect(\App\Framework\Console\Progress\ProgressType::BAR->value)->toBe('bar');
        expect(\App\Framework\Console\Progress\ProgressType::NONE->value)->toBe('none');
    });

    it('provides descriptions for all types', function () {
        expect(\App\Framework\Console\Progress\ProgressType::AUTO->getDescription())->toBe('Automatically select based on operation type');
        expect(\App\Framework\Console\Progress\ProgressType::TRACKER->getDescription())->toBe('Detailed progress tracker with time estimates');
        expect(\App\Framework\Console\Progress\ProgressType::SPINNER->getDescription())->toBe('Spinner for indeterminate operations');
        expect(\App\Framework\Console\Progress\ProgressType::BAR->getDescription())->toBe('Simple progress bar');
        expect(\App\Framework\Console\Progress\ProgressType::NONE->getDescription())->toBe('No progress indication');
    });
});