--- ${PACKAGE_NAME}
-- @file-author@
-- @project-revision@ @project-hash@
-- @file-revision@ @file-hash@
-- Created: 4/13/2016 7:48 PM
local B = select(2,...).frame
local T = B:RegisterModule("ObjectiveTracker", _G.VeneerObjectiveWrapper, 'BuffFrame')
local Default, Quest = T.DefaultHandler, T.Quest
local print = B.print('Tracker')
local lprint = B.print('Line')
local Bonus = T.Bonus

local UnitName, GetRealmName, GetQuestObjectiveInfo, GetTasksTable, GetTaskInfo = UnitName, GetRealmName, GetQuestObjectiveInfo, GetTasksTable, GetTaskInfo
local GetMapNameByID, GetCurrentMapAreaID = GetMapNameByID, GetCurrentMapAreaID
local tinsert, ipairs, pairs, tostring = tinsert, ipairs, pairs, tostring
local GetNumQuestLogRewardCurrencies, GetQuestLogRewardCurrencyInfo = GetNumQuestLogRewardCurrencies, GetQuestLogRewardCurrencyInfo
local GetNumQuestLogRewards, GetQuestLogRewardInfo = GetNumQuestLogRewards, GetQuestLogRewardInfo
local GetQuestLogRewardMoney, GetMoneyString = GetQuestLogRewardMoney, GetMoneyString
local GetQuestProgressBarPercent, PERCENTAGE_STRING, GetTime = GetQuestProgressBarPercent, PERCENTAGE_STRING, GetTime

local DoQuestRewards = function(t, questID)
  local rewards = {}
  t.numCurrencies = GetNumQuestLogRewardCurrencies(questID)
  for i = 1, t.numCurrencies do
    local name, texture, count = GetQuestLogRewardCurrencyInfo(i, questID)
    tinsert(rewards,{
      type = 'currency',
      index = i,
      name = name,
      texture = texture,
      count = count
    });
  end
  -- items
  t.numItems = GetNumQuestLogRewards(questID)
  for i = 1, t.numItems do
    local name, texture, count, quality, isUsable = GetQuestLogRewardInfo(i, questID)
    tinsert(rewards, {
      type = 'item',
      index = i ,
      name = name,
      texture = texture,
      count = count,
      quality = quality,
      isUsable = isUsable
    });
  end
  -- money

  local money = GetQuestLogRewardMoney(questID)
  if ( money > 0 ) then
    tinsert(rewards, {
      type = 'money',
      name = GetMoneyString(money),
      texture = "Interface\\Icons\\inv_misc_coin_01",
      count = 0,
    });
  end

  if #rewards >= 1 then
    t.rewardInfo = rewards
  end
end

--- Returns a tasks table modified to include recently completed objectives
local InternalGetTasksTable = function()
  local savedTasks = T.Conf.TasksLog
  local char = UnitName("player")
  local realm = GetRealmName()
  local tasks = GetTasksTable()

  for questID, data in pairs(Bonus.Info) do

    print('  -- questID:', questID, #data.objectives)
    for i, o in ipairs(data.objectives) do
      print('    --', i, o.text)
    end

  end


  for questID, data in pairs(savedTasks) do
    if questID > 0  then
      local found = false
      for i = 1, #tasks do
        if tasks[i] == questID then
          found = true
          break
        end
      end
      -- if it's not part of the current table, then try to insert it where it was last found
      if not found then
        if data.watchIndex < #tasks then
          tinsert(tasks, data.watchIndex, data)
        else
          tinsert(tasks, data)
        end
      end
    end
  end
  return tasks
end

--- Returns an entry from the composed tasks table if possible, otherwise makes an API pull
local InternalGetTaskInfo = function(questID)
  local completedTasks = T.Conf.TasksLog
  if completedTasks[questID] then
    return true, true, #completedTasks[questID].objectives
  else
    return GetTaskInfo(questID)
  end
end

--- Same as above but for the objective entries
local InternalGetQuestObjectiveInfo = function(questID, objectiveIndex)
  local completedTasks = T.Conf.TasksLog
  if ( completedTasks[questID] ) then
    print('using internal data')
    return completedTasks[questID].objectives[objectiveIndex], completedTasks[questID].objectiveType, true;
  else
    return GetQuestObjectiveInfo(questID, objectiveIndex, false);
  end
end

--- end redundant copy of silliness
------------------------------------------------------------------------------------------

Bonus.Completed = {}
Bonus.POI = {}
Bonus.Scenario = {}
Bonus.QuestBlock = {}
Bonus.WatchInfo = {}
function Bonus:GetNumWatched ()
  print(self.name, self)

  local tasks = InternalGetTasksTable()
  local numWatched = 0
  local numAll = 0
  self.WatchInfo = {}
  print('|cFFFFFF00Bonus.GetNumWatched()|r', #tasks)
  print('  TasksTable pull:')
  for i, questID in ipairs(tasks) do
    local isInArea, isOnMap, numObjectives = InternalGetTaskInfo(questID)
    local existingTask = self.QuestBlock[questID]
    local displayObjectiveHeader = false;
    local test = (isInArea or (isOnMap and existingTask))
    --local test = true
    if test then
      self.Info[questID] = self.Info[questID] or {}

      local t = self.Info[questID]
      self.WatchInfo[i] = t
      t.isInArea = isInArea
      t.isOnMap = isOnMap
      t.existingTask = existingTask
      t.questID = questID
      t.id = questID
      t.objectives = {}
      t.taskIndex = i


      DoQuestRewards(t, questID)

      local taskTitle
      local taskFinished = true;
      for objectiveIndex = 1, numObjectives do
        local text, objectiveType, finished, displayAsObjective = InternalGetQuestObjectiveInfo(questID, objectiveIndex, false);
        displayObjectiveHeader = displayObjectiveHeader or displayAsObjective;
        if not taskTitle then
          if objectiveType == 'progressbar' and not text:match('^%d%+\\%d+') then
            taskTitle = text
            text = ''
          end
        end


        print('  --', text, objectiveType, finished, displayAsObjective)
        t.objectives[objectiveIndex] = t.objectives[objectiveIndex] or  {}
        local  o = t.objectives[objectiveIndex]

        o.objectiveIndex = objectiveIndex
        o.text = text
        o.objectiveType = objectiveType
        o.finished = finished
        o.displayAsObjective = displayAsObjective
        print('     |cFF00FF88*', objectiveIndex, text)
      end

      -- didn't get a name from progress bar? what about area name
      if not taskTitle then
        if isInArea then
          taskTitle = GetMapNameByID(GetCurrentMapAreaID())
        end
      end
      t.title = taskTitle
    end

    print ('    |cFF00FF88#', i, 'questID', questID, 'inArea', isInArea, 'onMap', isOnMap, 'existing', (existingTask and 'Y' or 'N'), (test and '|cFF00FF00show|r' or '|cFFFF0088hide|r'))
  end


  self.numAll = #tasks
  self.numWatched = #self.WatchInfo
  print('  stats:', self.numAll, 'active tasks,', self.numWatched, 'nearby or animating')
  --return #tasks
  return #self.WatchInfo
end

--- info cleanup done when  turn-ins are detected
Bonus.OnTurnIn = function(self, questID, xp, money)

  if #self.info.rewardInfo >= 1 then
    for i, reward in ipairs(self.info.rewardInfo) do
      --[[
        type = 'item',
        index = i ,
        name = name,
        texture = texture,
        count = count,
        quality = quality,
        isUsable = isUsable
       ]]
      print(' reward ', i, ' ', reward.type, reward.name, reward.count)

    end
  end

  print('|cFFFF8800'..self.name..':OnTurnIn call', questID, xp, money)
  local savedTasks = B.Conf.TasksLog

  self.Info[questID].completedTime = GetTime()
  self.Info[questID].animate = true
  T.SetAnimate(self.watchReasonModule)
  savedTasks[questID] = self.Info[questID]
end

Bonus.GetInfo = function(self, taskIndex)
  print(self.name, self)
  return self.WatchInfo[taskIndex]
end



--- Update hooks
Bonus.UpdateObjectives = function(handler, block)
  Default.UpdateObjectives(handler, block)
end

Bonus.UpdateLine = function(handler, block, line, data)
  local info = block.info
  local print = lprint

  line.displayColor = 'FFFFFF'
  line.displayText = data.text
  line.progress = 0
  print('  ', data.objectiveIndex,'|cFFFF0088-|r', data.objectiveType, data.text)
  if data.objectiveType == 'progressbar' then
    line.widgetType = 'ProgressBar'
    print('    |cFFFF44DDpercent='..tostring(GetQuestProgressBarPercent(info.questID)))
    data.value = GetQuestProgressBarPercent(info.questID) or 0
    data.maxValue = 100
    if  data.value >= data.maxValue then
      line.progress = 1
    elseif data.value > 0 then
      line.progress = 2
    end
    line.format = PERCENTAGE_STRING
    local widget = T.SetWidget(line, data, 'ProgressBar', info.questID..'-'..data.objectiveIndex)
    print('    |cFFFF0022** text:|r', data.text, '|cFFFF0022value:|r', data.value, '|cFFFF0022max:|r', data.maxValue)
    widget:SetPoint('TOP', line, 'TOP', 0, 0)

    line.widget = widget
    line.height = widget.height
  else
    line.displayText = data.text
    line.widget = nil
  end
  return line
end

Bonus.Select = function(self)
  Bonus:OnTurnIn(self.info.questID)
end
Bonus.Remove = function(self)

end