local playmatAPI = require("playermat/PlaymatApi")

-- forward declaration of variables that are used across functions
local matColor
local setAsidePosition
local setAsideRotation
local drawDeckPosition

local quickParameters          = {}
quickParameters.function_owner = self
quickParameters.font_size      = 165
quickParameters.width          = 275
quickParameters.height         = 275
quickParameters.color          = "White"

-- common parameters
local buttonParameters          = {}
buttonParameters.function_owner = self
buttonParameters.font_size      = 125
buttonParameters.width          = 650
buttonParameters.height         = 225
buttonParameters.color          = "White"

local inputParameters          = {}
inputParameters.function_owner = self
inputParameters.input_function = "updateSearchNumber"
inputParameters.tooltip        = "custom search amount"
inputParameters.label          = "#"
inputParameters.font_size      = 175
inputParameters.width          = 400
inputParameters.height         = inputParameters.font_size + 23
inputParameters.position       = { 0, 0.11, 0 }
inputParameters.alignment      = 3
inputParameters.validation     = 2

function onLoad()
  normalView()
end

-- regular view with search box
function normalView()
  self.clearButtons()
  self.clearInputs()
  self.createInput(inputParameters)

  -- create custom search button
  buttonParameters.click_function = "searchCustom"
  buttonParameters.tooltip        = "Search the entered number of cards"
  buttonParameters.position       = { 0, 0.11, 0.65 }
  buttonParameters.label          = "Search"
  self.createButton(buttonParameters)

  -- create buttons to search 3, 6 or 9 cards
  quickParameters.click_function = "search3"
  quickParameters.label          = "3"
  quickParameters.position       = { -0.65, 0.11, -0.65 }
  self.createButton(quickParameters)

  quickParameters.click_function = "search6"
  quickParameters.label          = "6"
  quickParameters.position       = { 0, 0.11, -0.65 }
  self.createButton(quickParameters)

  quickParameters.click_function = "search9"
  quickParameters.label          = "9"
  quickParameters.position       = { 0.65, 0.11, -0.65 }
  self.createButton(quickParameters)
end

-- click functions
function search3(_, playerColor) startSearch(playerColor, 3) end
function search6(_, playerColor) startSearch(playerColor, 6) end
function search9(_, playerColor) startSearch(playerColor, 9) end

-- view during a search with "done" buttons
function searchView()
  self.clearButtons()
  self.clearInputs()

  -- create the "End Search" button
  buttonParameters.click_function = "endSearch"
  buttonParameters.tooltip        = "Left-click: Return cards and shuffle\nRight-click: Return cards without shuffling"
  buttonParameters.position       = { 0, 0.11, 0 }
  buttonParameters.label          = "End Search"
  self.createButton(buttonParameters)
end

-- input_function to get number of cards to search
function updateSearchNumber(_, _, input)
  inputParameters.value = tonumber(input)
end

-- starts the search with the number from the input field
function searchCustom(_, messageColor)
  local number = inputParameters.value
  if number ~= nil then
    startSearch(messageColor, number)
  else
    printToColor("Enter the number of cards to search in the textbox.", messageColor, "Orange")
  end
end

-- start the search (change UI, set handCards aside, draw cards)
function startSearch(messageColor, number)
  matColor = playmatAPI.getMatColorByPosition(self.getPosition())

  -- get draw deck
  local drawDeck = playmatAPI.getDrawDeck(matColor)
  if drawDeck == nil then
    printToColor(matColor .. " draw deck could not be found!", messageColor, "Red")
    return
  end

  drawDeckPosition = drawDeck.getPosition()
  printToColor("Place target(s) of search on set aside hand.", messageColor, "Green")

  -- get playmat orientation
  local offset = -15
  if matColor == "Orange" or matColor == "Red" then
    offset = 15
  end

  -- get position and rotation for set aside cards
  local handData   = Player[matColor].getHandTransform()
  local handCards  = Player[matColor].getHandObjects()
  setAsidePosition = handData.position + offset * handData.right
  setAsideRotation = { handData.rotation.x, handData.rotation.y + 180, 180 }

  for i = #handCards, 1, -1 do
    handCards[i].setPosition(setAsidePosition - Vector(0, i * 0.3, 0))
    handCards[i].setRotation(setAsideRotation)
  end

  -- handling for Norman Withers
  for _, v in ipairs(searchArea(drawDeckPosition)) do
    local object = v.hit_object
    if object.tag == "Card" and not object.is_face_down then
      object.flip()
      Wait.time(function() drawDeck = playmatAPI.getDrawDeck(matColor) end, 1)
      break
    end
  end

  Wait.time(function() drawDeck.deal(number, matColor) end, 1)
  searchView()
end

-- place handCards back into deck and optionally shuffle
function endSearch(_, _, isRightClick)
  local handCards = Player[matColor].getHandObjects()

  for i = #handCards, 1, -1 do
    handCards[i].setPosition(drawDeckPosition + Vector(0, 6 - i * 0.3, 0))
    handCards[i].setRotation(setAsideRotation)
  end

  if not isRightClick then
    Wait.time(function()
      local deck = playmatAPI.getDrawDeck(matColor)
      if deck ~= nil then
        deck.shuffle()
      end
    end, 2)
  end

  -- draw set aside cards (from the ground!)
  for _, v in ipairs(searchArea(setAsidePosition - Vector(0, 5, 0))) do
    local obj = v.hit_object
    if obj.tag == "Deck" then
      Wait.time(function()
        obj.deal(#obj.getObjects(), matColor)
      end, 1)
      break
    elseif obj.tag == "Card" then
      obj.setPosition(Player[matColor].getHandTransform().position)
      obj.flip()
      break
    end
  end

  normalView()
end

-- utility function
function searchArea(position)
  return Physics.cast({
    origin = position,
    direction = { 0, 1, 0 },
    type = 3,
    size = { 2, 2, 2 },
    max_distance = 0
  })
end