local test_helper = require('test.test_helper')
local mocks = test_helper.mocks
local utils = test_helper.utils

describe('UI Module', function()
  local ui
  local core
  
  before_each(function()
    ui = require('src.ui.init')
    mocks.setupFilesystem()
    core = require('src.core')
  end)
  
  it('should render HUD', function()
    local pass = utils.createMockPass()
    ui.renderHUD(pass)
  end)
  
  it('should render HUD with zero cats', function()
    core.state.cats = {}
    local pass = utils.createMockPass()
    ui.renderHUD(pass)
  end)
  
  it('should render inventory', function()
    local pass = utils.createMockPass()
    ui.renderInventory(pass, 1280, 720, 0.72)
  end)
  
  it('should render cat log', function()
    local pass = utils.createMockPass()
    ui.renderCatLog(pass, 1280, 0.72)
  end)
  
  it('should render placement preview', function()
    local pass = utils.createMockPass()
    ui.renderPlacementPreview(pass, 1280, 720)
  end)
  
  it('should get world ray', function()
    local start, endPos = ui.getWorldRay(1280, 720)
    assert.are.equal('table', type(start))
    assert.are.equal('table', type(endPos))
  end)
  
  it('should handle mouse press in inventory', function()
    ui.showInventory = true
    ui.selectedFurniture = nil
    ui.handleMousePress(1000, 500, 1)
  end)
  
  it('should handle mouse press on close button', function()
    ui.showInventory = true
    ui.handleMousePress(1200, 300, 1)
    assert.is_false(ui.showInventory)
  end)
  
  it('should toggle inventory', function()
    ui.toggleInventory()
    assert.is_true(ui.showInventory)
    ui.toggleInventory()
    assert.is_false(ui.showInventory)
  end)
  
  it('should toggle cat log', function()
    ui.toggleCatLog()
    assert.is_false(ui.showCatLog)
    ui.toggleCatLog()
    assert.is_true(ui.showCatLog)
  end)
  
  it('should handle nil core in renderHUD', function()
    _G.core = nil
    local pass = utils.createMockPass()
    ui.renderHUD(pass)
  end)
  
  it('should handle nil pass in renderHUD', function()
    ui.renderHUD(nil)
  end)
  
  it('should handle nil pass in renderInventory', function()
    ui.renderInventory(nil, 1280, 720, 0.72)
  end)
  
  it('should handle nil pass in renderCatLog', function()
    ui.renderCatLog(nil, 1280, 0.72)
  end)
  
  it('should handle nil pass in renderPlacementPreview', function()
    ui.renderPlacementPreview(nil, 1280, 720)
  end)
  
  it('should handle nil core in handleMousePress', function()
    ui.handleMousePress(100, 100, 1)
  end)
end)