local B = select(2,...).frame
local mod = B:RegisterModule("ObjectiveTracker", _G.VeneerObjectiveWrapper, 'BuffFrame')
local print = B.print('SetStyle')
-------------------------------------------------------------
--- Deals with swapping between different color palettes
---

local itemButtonSize, itemButtonSpacing =  36, 1
local wrapperPosition = {'RIGHT', UIParent, 'RIGHT', -84, 0}
local titleFont, textFont = [[Interface\Addons\SharedMedia_MyMedia\font\ArchivoNarrow-Bold.ttf]], [[Interface\Addons\SharedMedia_MyMedia\font\ArchivoNarrow-Regular.ttf]]
local titleSize, textSize = 15, 15
local titleOutline, textOutline = "OUTLINE", "OUTLINE"
local titleSpacing, textSpacing = 4, 3
local textIndent = 5
local wrapperMaxWidth, wrapperMaxHeight = 280, 490 -- these are the hard bounds, actual *Height variables are changed
local wrapperHeadFont, wrapperHeadSize, wrapperHeadOutline = [[Interface\Addons\SharedMedia_MyMedia\font\ArchivoNarrow-Bold.ttf]], 16, 'NONE'
local headerFont, headerSize, headerHeight = [[Interface\Addons\SharedMedia_MyMedia\font\ArchivoNarrow-Bold.ttf]], 18, 24
local headerOutline, headerColor, headerSpacing = 'OUTLINE', {1,1,1,1}, 2

mod.defaults.ObjectiveWrapper = {
  ObjectiveTrackerFloat = {'BOTTOM', 'RIGHT'},
  ObjectiveTrackerParent = 'DebuffButton',
  ObjectiveTrackerSize = {250, 600},
  ObjectiveWrapperParent = '',
}
mod.defaults.Style = {
 FontBank = {
    ['Normal'] = _G.VeneerCriteriaFontNormal,
    ['Progress'] = _G.VeneerCriteriaFontProgress,
    ['Complete'] = _G.VeneerCriteriaFontComplete,
    ['Failed'] = _G.VeneerCriteriaFontFailed,
  },
  Normal = {
    title = {
      TextColor = {1, 1, 1, 1},
      Width = 270,
    },
    titlebg = {
      Background = {0, 0, 0, 1},
      Width = 270,
    },
    status = {
      Width = 270,
    },
    statusbg = {
      Width = 270,
    },
    Frame = {
      Width = 270,
    }
  },
  Wrapper = {
    Frame = {
    Point = {wrapperPosition},
    MaxSize = {wrapperMaxWidth, wrapperMaxHeight},
    BackgroundComplex = {Left = {'', 0, 0.4, 0,1, 100}, Right={'', 0.6,1,0,1}, Tile = {'', 0.4,.6,0,1, 100}}, },
    title = {
      Font = {wrapperHeadFont, wrapperHeadSize, wrapperHeadOutline},
      Spacing = 4,}
  },
  Tracker = {
    Normal = {
      title = {
        Font = {headerFont, headerSize, headerOutline}, Spacing = headerSpacing,
      },
      titlebg = {
        Gradient = {MinColor = {0,0,0,0.7}, MaxColor = {0,0,0,.35}},
      }
    }
  },
  TrackerBlock = {
    Normal = {
      titlebg = {
        Gradient = { MinColor = {0.2, .4, 1, 0.45}, MaxColor = {.7, 0, 0.9, .19}},
      },
      title = {
        Font = {titleFont, titleSize, titleOutline},
        Spacing = titleSpacing,
      },
      status = {
        Font = {textFont, textSize, textOutline}, Spacing = textSpacing,
      },
      statusbg = {
        Gradient = { MinColor = {0.2, .4, 1, 0.25}, MaxColor = {.7, 0, 0.9, .12}},
      }
    },
    Super = {
      title = {
        Font = {titleFont, titleSize, titleOutline},
        Spacing = titleSpacing, BackgroundFullWidth = true
      },
      titlebg = {
        Gradient = { MinColor = {0, .7, .6, .8}, MaxColor = {0, .7, .6, 0.2}},
      },
      status = {
        Font = {textFont, textSize, textOutline}, Spacing = textSpacing,
      },
      statusbg = {
        Gradient = { MinColor = {0, .7, .6, 0.5}, MaxColor = {0, .7, .6, 0.1} },
      },
    },
    MouseDown = {
      title = {
        Font = {titleFont, titleSize, titleOutline},
        Spacing = titleSpacing,
      },
      titlebg = {
        Gradient = {          MinColor = {0.2, .4, 1, 1}, MaxColor = {0.2, .4, 1, .4},        },
        BackgroundFullWidth = true,
      },
      status = {
        Font = {textFont, textSize, textOutline},
        Spacing = textSpacing,
      },
      statusbg = {
        BackgroundFullWidth = true,
        Gradient = {          MinColor = {0.2, .4, 1, 1}, MaxColor = {0.2, .4, 1, .2},        },
      }
    },
    Complete = {
      title = {
        Font = {titleFont, titleSize, titleOutline},        Spacing = titleSpacing,
      },
      titlebg = {
        Gradient = {          MinColor = {0, 1, 0, 0.34},          MaxColor = {0, 1, 0, .17},        },
        BackgroundFullWidth = true
      },
      status = {
        Font = {textFont, textSize, textOutline},        Spacing = textSpacing,
      },
      statusbg = {
        Gradient = {          MinColor = {0, 1, 0, .25},          MaxColor = {0, 1, 0, 0.12},        },
        BackgroundFullWidth = true
      }
    },
    Cheev =  {
      Normal = {

        title = {
          Font = {titleFont, titleSize, titleOutline},
          Spacing = titleSpacing,
        },
        titlebg = {
          Gradient = { MinColor = {0.2, .4, 1, 0.45}, MaxColor = {.7, 0, 0.9, .19}},

        },
        status = {
          Font = {textFont, textSize, textOutline},
          Spacing = textSpacing,
        },
        statusbg = {
          Gradient = { MinColor = {0.2, .4, 1, 0.25}, MaxColor = {.7, 0, 0.9, .12}},
        },
      },
      Complete = {
        title = {
          Font = {titleFont, titleSize, titleOutline},
          Spacing = titleSpacing,
        },
        titlebg = {
          Gradient = { MinColor = {0.2, .4, 1, 0.45}, MaxColor = {.7, 0, 0.9, .19}},
        },
        status = {
          Font = {textFont, textSize, textOutline},
          Spacing = textSpacing,
        },
        statusbg = {
          Gradient = { MinColor = {0.2, .4, 1, 0.25}, MaxColor = {.7, 0, 0.9, .12}},
        },
      },
    }
  }
}

local style_cache_func = {}
local block_vars = {
  ['titleSize'] = {'titleWidth', 'titleHeight'},
  ['FrameSize'] = {'width', 'height'}
}
local attrib_vars = {
  ['Font'] = {'height'},
}

mod.BlockStyleCache = {}
local style_cache = mod.BlockStyleCache
mod.regions = {}
mod.regionStyles = {}
mod.SetBlockStyle = function(frame, frameType, ...)
  -- var names intended to reflect argument order
  --@debug@
  local c = mod.defaults.Normal
  local style_list = {... }
  local styleName = frameType .. '-' .. table.concat(style_list,'')

  if not style_cache[styleName] then
    local style = {}

    if mod.defaults.Style[frameType] then
      print(' setting style class |cFF00FFFF'..frameType)
    else
      print(' resorting to class Normal (missing |cFFFF8800'.. frameType..'|r)')
    end
    local normal = mod.defaults.Style.Normal
    local root =  mod.defaults.Style[frameType] or normal
    for i, className in ipairs(style_list) do
      local class = root[className] or normal[className] or root
      if root[className] then

        print('  SubClass |cFF0088FF'.. className .. '|r')
      elseif normal[className] then
        print('  SubClass Normal.|cFFFF0088'..className..'|r')
      else
        print('  SubClass Normal')
      end
      for elementName, element in pairs(class) do
        if not elementName:match('^%u') then
          print('   scanning Element |cFF8800FF'.. elementName ..'|r')
          if not style[elementName] then
            style[elementName] = {}
          end
          for key, value in pairs(element) do
            if mod.SetBlockAttribute[key] then
              print('   |cFF00FF00'..elementName..'|r.|cFF00FFFF'..key..' =', (type(value) == 'table' and ('{'..table.concat(value,', ')..'}') or tostring(value)))
              style[elementName][key] = value
            end

          end
        end

      end

    end

    for k, elements in pairs(mod.defaults.Style.Normal) do
      if not style[k] and type(elements) ~= 'table' then
        style[k] = elements
      end
    end


    print('result for: ', frame:GetName())
    for k,v in pairs(style) do
      if type(v) == 'table' and not k:match('^%u') then
        for kk, vv in pairs(v) do
        print('  |cFFFFFF00'..k..'|r.|cFF00FF00'..kk..'|r =', tostring(vv))
        end
      else
        print(' |cFFFFFFFF' .. k ..'|r =', tostring(v))
      end
    end
    style_cache[styleName] = style
  else
    print('Cache hit: ', styleName)
  end

  local style = style_cache[styleName]

  if not style_cache_func[styleName] then
    local code =
        "return function (frame)\n"..
        "  local func = Veneer.ObjectiveTracker.SetBlockAttribute\n"..
        "  local cache = Veneer.ObjectiveTracker.BlockStyleCache" ..
        "  print('CacheFunc', '|cFFFFFF00SET|r "..styleName.." |cFFFFFF00ON|r', frame:GetName()) "

    for elementName, styleset in pairs(style) do
        code = code ..
            "\n if frame['"..elementName.."'] then"

        for attributeName, value in pairs(styleset) do
          if mod.SetBlockAttribute[attributeName] then
            print('  '..elementName..':'.. attributeName ..'(', value, ')')


            --mod.SetBlockAttribute[attributeName](region, value)
            code = code .. "\n    print('CacheFunc', '  applying', '|cFF00FFFF" .. attributeName .. "|r to', '|cFF0088FF"..elementName.."|r', cache['"..styleName.."']['"..elementName.."']['".. attributeName .."'])" ..
                "\n\n    func['" .. attributeName .. "'](frame['"..elementName.."'],"..
                " cache['"..styleName.."']['"..elementName.."']['".. attributeName .."'])"

            --- Set any frame.blah variables used in Updates
            if block_vars[elementName .. attributeName] then
              print('|cFF008800BVar|r', elementName..attributeName)
              for i, blockKey in ipairs(block_vars[elementName .. attributeName]) do
                print('  assigning |cFF008800'..blockKey..'|r')
                frame[blockKey] = (type(value) == 'table') and value[i] or value
              end
            end

          end
        end
        code = code ..
            "\n  else"..
            "\n    print('CacheFunc', '  |cFFFF4400missing', frame:GetName()..'."..elementName.."')"..
            "\n  end"
    end
    code = code .. "\nend"
    local result = assert(loadstring(code))
    print('storing style func', styleName, result())
    style_cache_func[styleName] = result()

  else
    print('Cache function hit:', styleName)
  end
  style_cache_func[styleName](frame)


  --print("Generated func = function()\n",code, "\nend")
  --local cache_func[styleName] = loadstring(code)

  -- todo: remove hardcode and rely on attribute handler
  if frame.status then
    frame.status:SetWidth(270)
  end
  if frame.title then
    frame.title:SetWidth(270)
  end


  frame.titleHeight = frame.title and (frame.title:GetStringHeight() + frame.title.spacing*2) or 0
  frame.statusHeight = frame.status and (frame.status:GetStringHeight() + frame.status.spacing*2 + frame.attachmentHeight) or 0
  frame.height = frame.titleHeight + frame.statusHeight
  frame.width = 270


  if frame.status then
    print('status  ', frame.statusHeight)
    frame.status:SetHeight(frame.statusHeight)
    if frame.statusbg then

      print('statusbg', frame.statusHeight)
      frame.statusbg:SetHeight(frame.statusHeight)
      frame.statusbg:SetWidth(frame.width)
    end
  end
  if frame.title then
    print('title  ',frame.titleHeight)
    frame.title:SetHeight(frame.titleHeight)
    if frame.titlebg then
      print('titlebg',frame.titleHeight)
      frame.titlebg:SetHeight(frame.titleHeight)
      frame.titlebg:SetWidth(frame.width)
    end
  end
  print('sizing frame', frame.width, frame.height)
  frame:SetSize(frame.width, frame.height)
  print(frame:GetSize())
    --[[
      local titleSpacing, titleSpacing2 = c.Title.Spacing, (c.Title.Spacing * 2)
      local textSpacing, textSpacing2 = c.Text.Spacing, (c.Text.Spacing * 2)

      block.title:SetSpacing(titleSpacing)
      block.objectives:SetSpacing(textSpacing)
      block.objectives:SetWordWrap(true)

      local titleHeight, textHeight = block.title:GetStringHeight(), block.objectives:GetStringHeight() + block.attachmentHeight
      local blockHeight = titleHeight + titleSpacing2 + textHeight + textSpacing2
      local blockWidth = wrapperMaxWidth

      block.titlebg:SetSize(min(w1, w2), titleHeight + titleSpacing2)
      block.bg:SetSize(w1, textHeight + textSpacing2)
      block:SetSize(blockWidth, blockHeight)

      block.title:SetPoint('TOPLEFT', block.titlebg, 'TOPLEFT', 0, -titleSpacing)
      block.objectives:SetPoint('TOPLEFT', block.titlebg, 'BOTTOMLEFT', textIndent, -textSpacing)

      -- store
      block.titleHeight = titleHeight
      block.textHeight = textHeight
      block.width = blockWidth
      block.height = blockHeight
    --]]
  --print('    |cFF00FFFF'..block:GetName()..'|r:|cFF0088FFSetStyle|r(', blockWidth, 'x', blockHeight, '(textH', textHeight,', titleH', titleHeight, ')')
end

--- Argument containers
local o = "" -- text flag
local a1, a2, a3, a4, b1, b2, b3, b4 = 0,0,0,1, 0,0,0,1 -- color1, color2
local f1, f2, f3 = "", 0, "" -- font
local w1, w2 = 0, 0 -- size
local p1, p2, p3, x, y = "", "", "", 0, 0 -- path/point args
mod.SetBlockAttribute = {}
local sb = mod.SetBlockAttribute
local print = B.print('Attribute')
sb.Gradient = function(region, value)
  print('|cFF8844FFGradient|r', region:GetName(), unpack(value))
  o = 'HORIZONTAL'
  a1, a2, a3, a4 = unpack(value.MinColor)
  b1, b2, b3, b4 = unpack(value.MaxColor)
  region:SetVertexColor(1,1,1)
  region:SetTexture(1,1,1,1)
  region:SetGradientAlpha(o, a1, a2, a3, a4, b1, b2, b3, b4)
end

sb.Background = function(region, value)
  print('|cFF0088FFBackground|r', unpack(value))
  region:SetVertexColor(1,1,1) -- reset
  region:SetTexture(unpack(value))
end
sb.BackgroundComplex = function (region, value)
  local left, tile, right = value.Left, value.Tile, value.Right

end
sb.Font = function(region, value)
  f1, f2, f3 = unpack(value)
  print('|cFFFFFF00Font|r', f1, f2, f3)
  region:SetFont(f1, f2, f3)
end

sb.Spacing = function(region, value)
  print('FontSpacing', value)
  region:SetSpacing(value)
  region.spacing = value
end

sb.TextColor = function(region, value)
  a1, a2, a3, a4 = unpack(value)
  print('TextColor', a1, a2, a3, a4)
  region:SetTextColor(a1, a2, a3, a4)
end
sb.Texture = function(region, value)

  p1, a1, a2, a3, a4 = unpack(value)
  print('Texture', p1, a1, a2, a3, a4)
  region:SetTexture(p1)
  if a1 then
    region:SetTexCoord(a1, a2, a3, a4)
  end
end
sb.Width = function(region, value)
  w1 = value
  region:SetWidth(w1)
end

sb.Height = function(region, value)
  w2 = value
  region:SetHeight(w2)
end
sb.Size = function(region, value)
  w1, w2 = unpack(value)
  region:SetSize(w1, w2)
end