# Ruby To-Do List Application - Task Model Test
# Created by: Molla Samser (help@rskworld.in, +91 93305 39277)
# Address: Nutanhat, Mongolkote, Purba Burdwan, West Bengal, India, 713147
# Year: 2026

require "test_helper"

class TaskTest < ActiveSupport::TestCase
  setup do
    @user = users(:one)
    @task = @user.tasks.build(title: "Test Task", description: "Test description", priority: 2)
  end

  test "should be valid" do
    assert @task.valid?
  end

  test "title should be present" do
    @task.title = ""
    assert_not @task.valid?
  end

  test "priority should be valid" do
    @task.priority = 1
    assert @task.valid?

    @task.priority = 2
    assert @task.valid?

    @task.priority = 3
    assert @task.valid?

    @task.priority = 4
    assert_not @task.valid?
  end

  test "should belong to user" do
    assert_respond_to @task, :user
  end

  test "should have priority scopes" do
    assert_respond_to Task, :high_priority
    assert_respond_to Task, :medium_priority
    assert_respond_to Task, :low_priority
  end

  test "should have completion scopes" do
    assert_respond_to Task, :completed
    assert_respond_to Task, :pending
  end

  test "should set completed_at when toggled to complete" do
    @task.completed = false
    @task.save

    @task.completed = true
    @task.save

    assert_not_nil @task.completed_at
  end

  test "should clear completed_at when marked as pending" do
    @task.completed = true
    @task.save

    @task.completed = false
    @task.save

    assert_nil @task.completed_at
  end

  test "priority_name should return correct values" do
    @task.priority = 1
    assert_equal "Low", @task.priority_name

    @task.priority = 2
    assert_equal "Medium", @task.priority_name

    @task.priority = 3
    assert_equal "High", @task.priority_name
  end

  test "overdue? should work correctly" do
    @task.due_date = 1.day.ago
    @task.completed = false
    assert @task.overdue?

    @task.completed = true
    assert_not @task.overdue?

    @task.due_date = 1.day.from_now
    @task.completed = false
    assert_not @task.overdue?
  end
end