info_button.lua

--[[
Copyright 2026 Deathwing
The Deathlog AddOn is distributed under the terms of the GNU General Public License (or the Lesser GPL).
This file is part of Deathlog.

The Deathlog AddOn is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.

The Deathlog AddOn is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.

You should have received a copy of the GNU General Public License
along with the Deathlog AddOn. If not, see <http://www.gnu.org/licenses/>.
--]]
--[[
info_button.lua

Deathlog-specific UI info button for death-logging eligibility status.

Creates a small button that attaches to a container frame and displays
a tooltip explaining the player's current hardcore state. Relies on
Deathlog_getHardcoreCharacterState() from hardcore_state.lua.
--]]

local HC_STATE = DeathNotificationLib.HC_STATE
local IS_SOUL_OF_IRON_REALM = DeathNotificationLib.IS_SOUL_OF_IRON_REALM

--- Append "Update Available" lines to the current GameTooltip when a newer
--- Deathlog version has been detected from peers.  Returns true if lines
--- were added, false otherwise.
---@return boolean
local function appendUpdateAvailableTooltip()
	local newer = DeathNotificationLib.GetNewerAddonVersion("Deathlog")
	if not newer then return false end
	local current = C_AddOns.GetAddOnMetadata("Deathlog", "Version") or "?"
	GameTooltip:AddLine(" ")
	GameTooltip:AddLine("|TInterface\\GossipFrame\\AvailableQuestIcon:0|t Update Available", 0.3, 1, 0.3)
	GameTooltip:AddLine(string.format("v%s >> v%s", current, newer), 1, 0.8, 0)
	GameTooltip:AddLine("Click to choose an official download source.", 0.7, 0.7, 0.7)
	return true
end

function Deathlog_createInfoButton(container, with_events, offset_x, offset_y)
	if container.info_button == nil then
		container.info_button = CreateFrame("Button", nil, container.frame)

		local info_button = container.info_button
		info_button.deathlog_hc_state = "NOT_DETERMINED"
		info_button.deathlog_hc_state_func = nil
		info_button:SetPoint("RIGHT", container.titletext, "RIGHT", offset_x or 32, offset_y or 0)
		info_button:SetSize(32, 32)
		info_button:SetHitRectInsets(0, 0, 0, 0)
		info_button:EnableMouse(true)
		info_button:SetFrameLevel(container.frame:GetFrameLevel() + 10)
		info_button:SetNormalTexture("Interface\\common\\help-i")
		info_button:SetHighlightTexture("Interface\\Minimap\\UI-Minimap-ZoomButton-Highlight")
		info_button:SetPushedTexture("Interface\\common\\help-i")
		info_button:SetScript("OnClick", nil)
		info_button:SetScript("OnLeave", function()
			GameTooltip:Hide()
		end)
		info_button:SetScript("OnEnter", function(self)
            GameTooltip:SetOwner(self, "ANCHOR_BOTTOM")

			if self.deathlog_hc_state_func then
				self.deathlog_hc_state_func(self)
			end

            GameTooltip:Show()
        end)

		local function updateStateInfoButton()
			if not info_button then
				return
			end

			local state = Deathlog_getHardcoreCharacterState("player")
			local has_update = DeathNotificationLib.GetNewerAddonVersion("Deathlog") ~= nil
			info_button:SetScript("OnClick", has_update and function()
				Deathlog_ShowUpdateSources(DeathNotificationLib.GetNewerAddonVersion("Deathlog"))
			end or nil)

			-- Allow re-evaluation when update status changes
			if info_button.deathlog_hc_state == state and info_button.deathlog_has_update == has_update then
				return
			end

			info_button.deathlog_hc_state = state
			info_button.deathlog_has_update = has_update

			if state == HC_STATE.HARDCORE then
				if has_update then
					-- Normally hidden when Hardcore — but show for update notification
					info_button.deathlog_hc_state_func = function(self)
						GameTooltip:ClearLines()
						GameTooltip:AddLine("Deathlog", 1, 0.8, 0, true)
						appendUpdateAvailableTooltip()
					end
					info_button:Show()
				else
					info_button:Hide()
				end
			elseif state == HC_STATE.NOT_HARDCORE_ANYMORE then
				local isExternal = Deathlog_getExternalHardcoreAddon()
				info_button.deathlog_hc_state_func = function(self)
					GameTooltip:ClearLines()
					GameTooltip:AddLine("Death Logging Status", 1, 0.8, 0, true)
					GameTooltip:AddLine(" ")
					GameTooltip:AddLine("Status: |cffFF4444NOT HARDCORE ANYMORE|r")
					GameTooltip:AddLine(" ")
					if isExternal then
						GameTooltip:AddLine("Your hardcore journey tracked by " .. isExternal, 0.7, 0.7, 0.7)
						GameTooltip:AddLine("has ended due to a death.", 0.7, 0.7, 0.7)
					else
						GameTooltip:AddLine("You have lost your Hardcore status by acquiring", 0.7, 0.7, 0.7)
						GameTooltip:AddLine("the \"Tarnished Soul\" debuff.", 0.7, 0.7, 0.7)
					end
					GameTooltip:AddLine(" ")
					GameTooltip:AddLine("As a result, your deaths will no longer be", 0.7, 0.7, 0.7)
					GameTooltip:AddLine("logged to the Deathlog system.", 0.7, 0.7, 0.7)
					appendUpdateAvailableTooltip()
				end
				info_button:Show()
			elseif state == HC_STATE.UNDETERMINED then
				local location = UnitFactionGroup("player") == "Alliance" and "Ironforge" or "Undercity"
				info_button.deathlog_hc_state_func = function(self)
					GameTooltip:ClearLines()
					GameTooltip:AddLine("Death Logging Status", 1, 0.8, 0, true)
					GameTooltip:AddLine(" ")
					GameTooltip:AddLine("Status: |cffFFFF00SOUL OF IRON REQUIRED|r")
					GameTooltip:AddLine(" ")
					GameTooltip:AddLine("To participate in death logging, you need:", 0.7, 0.7, 0.7)
					GameTooltip:AddLine("• Get the \"Soul of Iron\" buff", 1, 1, 0.5)
					GameTooltip:AddLine("• Location: " .. location, 0.5, 1, 1)
					GameTooltip:AddLine(" ")
					GameTooltip:AddLine("Once active, your deaths will be logged to the", 0.7, 0.7, 0.7)
					GameTooltip:AddLine("Deathlog system automatically.", 0.7, 0.7, 0.7)
					appendUpdateAvailableTooltip()
				end
				info_button:Show()
			else
				info_button.deathlog_hc_state_func = function(self)
					GameTooltip:ClearLines()
					GameTooltip:AddLine("Death Logging Status", 1, 0.8, 0, true)
					GameTooltip:AddLine(" ")
					GameTooltip:AddLine("Status: |cffFF4444NOT SUPPORTED|r")
					GameTooltip:AddLine(" ")
					GameTooltip:AddLine("Your realm or your hardcore addons are not currently supported by the", 0.7, 0.7, 0.7)
					GameTooltip:AddLine("Deathlog addon.", 0.7, 0.7, 0.7)
					GameTooltip:AddLine(" ")
					GameTooltip:AddLine("Supported Realms:", 1, 1, 0.5)
					GameTooltip:AddLine("• Classic Era Hardcore", 0.5, 1, 1)
					GameTooltip:AddLine("• Burning Crusade - Soul of Iron", 0.5, 1, 1)
					GameTooltip:AddLine(" ")
					GameTooltip:AddLine("Supported Addons:", 1, 1, 0.5)
					GameTooltip:AddLine("• Hardcore", 0.5, 1, 1)
					GameTooltip:AddLine("• HardcoreTBC", 0.5, 1, 1)
					GameTooltip:AddLine("• Ultra", 0.5, 1, 1)
					appendUpdateAvailableTooltip()
				end
				info_button:Show()
			end
		end

		container.frame:HookScript("OnShow", function()
			updateStateInfoButton()
		end)

		if with_events then
			info_button:RegisterEvent("PLAYER_ENTERING_WORLD")
			if IS_SOUL_OF_IRON_REALM then
				info_button:RegisterEvent("UNIT_AURA")
			end
			info_button:SetScript("OnEvent", function(self, event, unit)
				if event == "PLAYER_ENTERING_WORLD" or (event == "UNIT_AURA" and unit == "player") then
					updateStateInfoButton()
				end
			end)
		end

		-- React immediately when a newer addon version is confirmed.
		DeathNotificationLib.HookOnNewerVersion(function()
			if info_button then updateStateInfoButton() end
		end)

		updateStateInfoButton()
	end

	return container.info_button
end