local searchLib = require("util/SearchLib")

local idList = {}

function onLoad()
  -- "generate" button
  local buttonParameters          = {}
  buttonParameters.function_owner = self
  buttonParameters.height         = 200
  buttonParameters.width          = 1200
  buttonParameters.font_size      = 75
  buttonParameters.click_function = "generate"
  buttonParameters.label          = "Generate instructions!"
  buttonParameters.position       = { 0, 0.06, 1.55 }
  self.createButton(buttonParameters)

  -- "output" text field
  local inputParameters          = {}
  inputParameters.label          = "Click button above"
  inputParameters.input_function = "none"
  inputParameters.function_owner = self
  inputParameters.position       = { 0, 0.05, 1.95 }
  inputParameters.width          = 1200
  inputParameters.height         = 130
  inputParameters.font_size      = 107
  self.createInput(inputParameters)
end

-- generates a string for the ArkhamDB deck notes that will instruct the deck import to add the specified cards
function generate(_, playerColor)
  idList = {}
  for _, obj in ipairs(searchLib.onObject(self, "isCardOrDeck")) do
    if obj.type == "Card" then
      processCard(obj.getGMNotes(), obj.getName(), playerColor)
    elseif obj.type == "Deck" then
      for _, deepObj in ipairs(obj.getData().ContainedObjects) do
        processCard(deepObj.GMNotes, deepObj.Nickname, playerColor)
      end
    end
  end

  if #idList == 0 then
    broadcastToColor("Didn't find any valid cards.", playerColor, "Red")
    return
  else
    broadcastToColor("Created deck instruction for " .. #idList .. " card(s). Copy it from the input field.", playerColor, "Green")
  end

  -- sort the idList
  table.sort(idList, sortById)

  -- construct the string (new line for each instruction)
  local description = "++SCED import instructions++"
  for _, entry in ipairs(idList) do
    description = description .. "\n- add: " .. entry.id .. " (**" .. entry.name .. "**)" .. ", "
  end
  
  -- remove last delimiter (last two characters)
  description = description:sub(1, -3)
  self.editInput({index = 0, value = description})
end

-- use the ZoopGuid as fallback if no id present
function getIdFromData(metadata)
  if metadata.id then
    return metadata.id
  elseif metadata.TtsZoopGuid then
    return metadata.TtsZoopGuid
  end
end

function processCard(notes, name, playerColor)
  local id = getIdFromData(JSON.decode(notes) or {})
  if id then
    table.insert(idList, {id = id, name = name})
  else
    broadcastToColor("Couldn't get ID for " .. name .. ".", playerColor, "Red")
  end
end

function sortById(a, b)
  local numA = tonumber(a.id)
  local numB = tonumber(b.id)

  if numA and numB then
    return numA < numB
  else
    return a.name < b.name
  end
end

function none() end