<?php declare(strict_types=1);

use MMK2410\MyTodoList\Todo;
use MMK2410\MyTodoList\TodoStates;
use PHPUnit\Framework\TestCase;

class TodoTest extends TestCase
{
    public function testCreateTodo(): void
    {
        $title = "Some task";
        $todo = new Todo($title);
        $this->assertEquals(
            $title,
            $todo->getTitle(),
            "Expected title '$title', but got '{$todo->getTitle()}'"
        );
    }

    public function testDontCreateEmptyTodo(): void
    {
        $this->expectException(\InvalidArgumentException::class);
        $this->expectExceptionMessage(Todo::ExceptionMsgInvalidTitle);
        new Todo("");
    }

    public function testUpdateTitle(): void
    {
        $anotherTitle = "Another title";
        $todo = new Todo("Some title");
        $todo->setTitle($anotherTitle);
        $this->assertEquals(
            $anotherTitle,
            $todo->getTitle(),
            "Expected new title $anotherTitle, but got {$todo->getTitle()}"
        );
    }

    public function testNewTodoState(): void
    {
        $todo = new Todo("stub");
        $this->assertEquals(
            TodoStates::Todo,
            $todo->getStatus(),
            "Expected todo state 'Todo', but got {$todo->getStatus()}"
        );
    }

    public function testChangeTodoState(): void
    {
        $todo = new Todo("stub");
        $todo->setState(TodoStates::Done);
        $this->assertEquals(
            TodoStates::Done,
            $todo->getStatus(),
            "Expected todo state 'Done', but got {$todo->getStatus()}"
        );
    }

    public function testSetBogusTodoState(): void
    {
       $todo = new Todo("stub");
       $this->expectException(\InvalidArgumentException::class);
       $this->expectExceptionMessage("Invalid state tried to set.");
       $todo->setState("bogus");
    }
}