INSPECTFRAME_SUBFRAMES = { "InspectPaperDollFrame", "InspectPVPFrame", "InspectTalentFrame", "InspectGuildFrame" };

UIPanelWindows["InspectFrame"] = { area = "left", pushable = 0, };

function InspectFrame_Show(unit)
	HideUIPanel(InspectFrame);
	if ( CanInspect(unit, true) ) then
		INSPECTED_UNIT = unit;
		NotifyInspect(unit);
		InspectFrame.unit = unit;
		InspectSwitchTabs(1);
	else
		INSPECTED_UNIT = nil;
	end
end

function InspectFrame_OnLoad(self)
	self:RegisterEvent("PLAYER_TARGET_CHANGED");
	self:RegisterEvent("GROUP_ROSTER_UPDATE");
	self:RegisterEvent("UNIT_NAME_UPDATE");
	self:RegisterEvent("UNIT_PORTRAIT_UPDATE");
	self:RegisterEvent("INSPECT_READY");
	self.unit = nil;
	INSPECTED_UNIT = nil;

	-- Tab Handling code
	PanelTemplates_SetNumTabs(self, 4);
	PanelTemplates_SetTab(self, 1);
	self.TitleText:SetFontObject("GameFontHighlight");
end

function InspectFrame_OnEvent(self, event, unit, ...)

	if(event == "INSPECT_READY" and InspectFrame.unit and (UnitGUID(InspectFrame.unit) == unit)) then
		ShowUIPanel(InspectFrame);
		InspectFrame_UpdateTabs();
	end


	if ( not self:IsShown() ) then
		return;
	end
	if ( event == "PLAYER_TARGET_CHANGED" or event == "GROUP_ROSTER_UPDATE" ) then
		if ( (event == "PLAYER_TARGET_CHANGED" and self.unit == "target") or
		     (event == "GROUP_ROSTER_UPDATE" and self.unit ~= "target") ) then
			-- Just hide the InspectFrame when the unit changes.  This hides the bug that occurs when you click on targets too quickly and the server drops the inspect data when flooded with inspect requests.
			--if ( CanInspect(self.unit) ) then
			--	InspectFrame_UnitChanged(self);
			--else
			--	HideUIPanel(InspectFrame);
			--end
			HideUIPanel(InspectFrame);
		end
		return;
	elseif ( event == "UNIT_NAME_UPDATE" ) then
		local arg1 = ...;
		if ( arg1 == self.unit ) then
			InspectFrameTitleText:SetText(UnitName(arg1));
		end
		return;
	elseif ( event == "UNIT_PORTRAIT_UPDATE" ) then
		local arg1 = ...;
		if ( not arg1 or arg1 == self.unit ) then
			SetPortraitTexture(InspectFramePortrait, self.unit);
		end
		return;
	end
end

function InspectFrame_UnitChanged(self)
	local unit = self.unit;
	NotifyInspect(unit);
	InspectPaperDollFrame_OnShow(self);
	SetPortraitTexture(InspectFramePortrait, unit);
	InspectFrameTitleText:SetText(UnitName(unit));
	InspectFrame_UpdateTabs();
	if ( InspectPVPFrame:IsShown() ) then
		InspectPVPFrame_OnShow();
	end
end

function InspectFrame_OnShow(self)
	if ( not self.unit ) then
		return;
	end
	PlaySound("igCharacterInfoOpen");	
	SetPortraitTexture(InspectFramePortrait, self.unit);
	InspectFrameTitleText:SetText(UnitName(self.unit));
end

function InspectFrame_OnHide(self)
	self.unit = nil;
	PlaySound("igCharacterInfoClose");

	-- Clear the player being inspected
	ClearInspectPlayer();

	-- in the InspectTalentFrame_Update function, a default talent tab is selected smartly if there is no tab selected
	-- it actually ends up feeling natural to have this behavior happen every time the frame is shown
	PanelTemplates_SetTab(InspectTalentFrame, nil);
end

function InspectFrame_OnUpdate(self)
end		

function InspectSwitchTabs(newID)
	local newFrame = _G[INSPECTFRAME_SUBFRAMES[newID]];
	local oldFrame = _G[INSPECTFRAME_SUBFRAMES[PanelTemplates_GetSelectedTab(InspectFrame)]];
	if ( newFrame ) then
		if ( oldFrame ) then
			oldFrame:Hide();
		end
		PanelTemplates_SetTab(InspectFrame, newID);
		newFrame:Show();
	end
end

function InspectFrameTab_OnClick(self)
	PlaySound("igCharacterInfoTab");
	InspectSwitchTabs(self:GetID());
end

function InspectFrame_UpdateTabs()
	if ( not InspectFrame.unit ) then
		return;
	end
	
	-- Talent tab
	local level = UnitLevel(InspectFrame.unit);
	if ( level < 10 ) then
		PanelTemplates_DisableTab(InspectFrame, 3);
		if ( PanelTemplates_GetSelectedTab(InspectFrame) == 3 ) then
			InspectSwitchTabs(1);
		end
	else
		PanelTemplates_EnableTab(InspectFrame, 3);
	end
	
	-- Guild tab
	local _, _, _, guildName = GetInspectGuildInfo(InspectFrame.unit);
	if ( guildName and guildName ~= "" ) then
		PanelTemplates_EnableTab(InspectFrame, 4);
	else
		PanelTemplates_DisableTab(InspectFrame, 4);
		if ( PanelTemplates_GetSelectedTab(InspectFrame) == 4 ) then
			InspectSwitchTabs(1);
		end	
	end
end