--libAutoUpdater.lua v0.7

---@class LibAutoUpdaterConfig
---@field repo string
---@field branch string
---@field debug boolean
---@field autorun boolean
---@field doRestart boolean
---@field forceUpdate boolean
local config = ...

local json = require("main.json")

---@class AutoUpdater
local AutoUpdater = {
	hasFailed = false,
	currentStep = 0,
	---@type string
	gitHash = nil,
	---@type string
	latestHash = nil,
	---@type string
	artifactId = nil,
	---@type string
	downloadUrl = nil,
	---@type boolean
	isSilent = false,
}

-- ---@type {[integer]: {text: string, method: function}}
-- local steps = {
-- 	[1] = {
-- 		text = "Getting current version...",
-- 		method = function()
-- 			AutoUpdater.getCurrentVersion()
-- 		end,
-- 	},
-- 	[2] = {
-- 		text = "Getting latest build artifact...",
-- 		method = function()
-- 			AutoUpdater.getArtifactInfo()
-- 		end,
-- 	},
-- 	[3] = {
-- 		text = "Getting version info...",
-- 		method = function()
-- 			AutoUpdater.getCommitInfo()
-- 		end,
-- 	},
-- 	[4] = {
-- 		text = "Requesting download URL...",
-- 		method = function()
-- 			AutoUpdater.getDownloadUrl()
-- 		end,
-- 	},
-- 	[5] = {
-- 		text = "Downloading latest build artifact...",
-- 		method = function()
-- 			AutoUpdater.downloadArtifact()
-- 		end,
-- 	},
-- 	[6] = {
-- 		text = "Unzipping latest build artifact...",
-- 		method = function()
-- 			AutoUpdater.unzipArtifact()
-- 		end,
-- 	},
-- 	[7] = {
-- 		text = "Moving files...",
-- 		method = function()
-- 			AutoUpdater.moveFiles()
-- 		end,
-- 	},
-- 	[8] = {
-- 		text = "Cleaning up...",
-- 		method = function()
-- 			AutoUpdater.cleanup()
-- 		end,
-- 	},
-- }

---@param silent boolean?
function AutoUpdater.run(silent)
	-- AutoUpdater.isSilent = silent or false
	AutoUpdater.print(
		"This version of AutoUpdater is no longer maintained! Please use the version bundled with JPXS instead."
	)

	AutoUpdater.print("You can find it here: https://assets.jpxs.io/plugins/jpxs/jpxs.lua")

	hook.once("JPXSLoaded", function()
		if table.find(jpxs.config:get("plugins"), "autoupdater") then
			AutoUpdater.print("AutoUpdater is enabled! Removing this plugin...")
			for id, plugin in pairs(hook.plugins) do
				if plugin.name == "AutoUpdater" and plugin.author == "gart" then
					os.remove("plugins/" .. plugin.fullFileName)
					AutoUpdater.print("Removed AutoUpdater. Thank you!")
				end
			end
		end
	end)
end

-- function AutoUpdater.nextStep()
-- 	if AutoUpdater.hasFailed then
-- 		return
-- 	end

-- 	AutoUpdater.currentStep = AutoUpdater.currentStep + 1
-- 	if steps[AutoUpdater.currentStep] then
-- 		AutoUpdater.debug(steps[AutoUpdater.currentStep].text)
-- 		steps[AutoUpdater.currentStep].method()
-- 	else
-- 		if config.doRestart then
-- 			AutoUpdater.print("Update complete. Restarting server...")
-- 			os.exit()
-- 		else
-- 			AutoUpdater.print("Update complete.")
-- 			AutoUpdater.print("Please restart the server to apply changes.")
-- 		end
-- 	end
-- end

-- ---@param reason string
-- function AutoUpdater.fail(reason)
-- 	AutoUpdater.print("Update failed: " .. reason)
-- 	AutoUpdater.hasFailed = true
-- end

function AutoUpdater.print(text)
	if AutoUpdater.isSilent then
		return
	end
	print("\27[30;1m[" .. os.date("%X") .. "]\27[0m \27[38;5;219m[AutoUpdater]\27[0m " .. text)
end

-- function AutoUpdater.debug(text)
-- 	if config.debug and not AutoUpdater.isSilent then
-- 		AutoUpdater.print(text)
-- 	end
-- end

-- ---Searches for a string in a binary file.
-- ---@param filePath string The path to the file.
-- ---@param value string The string to search for.
-- ---@return integer The position of the string in the file, or -1 if not found.
-- function AutoUpdater.BinaryStringSearch(filePath, value)
-- 	local f = io.open(filePath, "r")

-- 	if f then
-- 		---@type string
-- 		local content = f:read("*all")
-- 		f:close()

-- 		local pos = content:find(value, 1, true)

-- 		if pos then
-- 			return pos
-- 		end
-- 	end

-- 	return -1
-- end

-- function AutoUpdater.getCurrentVersion()
-- 	local pos = AutoUpdater.BinaryStringSearch("./librosaserver.so", "git version:")
-- 	if pos == -1 then
-- 		AutoUpdater.print("Failed to find git hash, updating...")
-- 		AutoUpdater.nextStep()
-- 		return
-- 	end

-- 	AutoUpdater.debug(string.format("Found git hash at position 0x%X", pos))

-- 	local f = io.open("./librosaserver.so", "r")
-- 	if f then
-- 		f:seek("set", pos + 12)
-- 		AutoUpdater.gitHash = f:read(40)
-- 		f:close()

-- 		local gitHashShort = AutoUpdater.gitHash:sub(1, 7)
-- 		AutoUpdater.debug("Current version: " .. gitHashShort)
-- 	else
-- 		AutoUpdater.fail("Failed to open librosaserver.so")
-- 	end

-- 	AutoUpdater.nextStep()
-- end

-- function AutoUpdater.getArtifactInfo()
-- 	http.get("https://api.github.com", "/repos/" .. config.repo .. "/actions/artifacts", {
-- 		["Accept"] = "application/vnd.github.v3+json",
-- 	}, function(res)
-- 		if res and res.status == 200 then
-- 			local data = json.decode(res.body)
-- 			local latestArtifact = nil

-- 			for _, artifact in pairs(data.artifacts) do
-- 				if artifact.workflow_run.head_branch == config.branch then
-- 					if not latestArtifact or artifact.created_at > latestArtifact.created_at then
-- 						latestArtifact = artifact
-- 						AutoUpdater.debug("Found artifact: " .. artifact.id)
-- 					end
-- 				end
-- 			end

-- 			if latestArtifact then
-- 				local artifactId = latestArtifact.id
-- 				local artifactName = latestArtifact.name
-- 				local artifactSize = latestArtifact.size_in_bytes
-- 				local headSha = latestArtifact.workflow_run.head_sha

-- 				AutoUpdater.debug(
-- 					string.format(
-- 						"Latest artifact: %s - %s (%s)",
-- 						artifactName,
-- 						artifactId,
-- 						AutoUpdater.formatDataSize(artifactSize)
-- 					)
-- 				)

-- 				if headSha == AutoUpdater.gitHash or config.forceUpdate then
-- 					AutoUpdater.print("Already up to date.")
-- 					AutoUpdater.hasFailed = true
-- 					return
-- 				end

-- 				AutoUpdater.debug("Latest version: " .. headSha:sub(1, 7))

-- 				AutoUpdater.latestHash = headSha
-- 				AutoUpdater.artifactId = artifactId
-- 			else
-- 				AutoUpdater.fail("Failed to get latest artifact: No artifacts found")
-- 			end
-- 		else
-- 			AutoUpdater.fail("Failed to get latest artifact: " .. (res and res.status or "500"))
-- 		end

-- 		AutoUpdater.nextStep()
-- 	end)
-- end

-- function AutoUpdater.getCommitInfo()
-- 	http.get("https://api.github.com", "/repos/" .. config.repo .. "/commits/" .. AutoUpdater.latestHash, {
-- 		["Accept"] = "application/vnd.github.v3+json",
-- 	}, function(res)
-- 		if res and res.status == 200 then
-- 			local data = json.decode(res.body)
-- 			local latestCommit = data.sha

-- 			local commitInfo = data.commit.committer
-- 			local commitDate = commitInfo.date
-- 			local commitAuthor = commitInfo.name
-- 			local commitMessage = data.commit.message

-- 			if latestCommit ~= AutoUpdater.gitHash and not config.forceUpdate then
-- 				AutoUpdater.latestHash = latestCommit

-- 				AutoUpdater.debug("Latest commit: " .. commitDate .. " by " .. commitAuthor .. " - " .. commitMessage)
-- 			else
-- 				AutoUpdater.print(
-- 					"Already up to date, current commit: "
-- 						.. commitDate
-- 						.. " by "
-- 						.. commitAuthor
-- 						.. " - "
-- 						.. commitMessage
-- 				)
-- 				AutoUpdater.hasFailed = true
-- 			end
-- 		else
-- 			AutoUpdater.fail("Failed to get latest version: " .. (res and res.status or "500"))
-- 		end

-- 		AutoUpdater.nextStep()
-- 	end)
-- end

-- function AutoUpdater.getDownloadUrl()
-- 	http.get("https://jpxs.io", "/api/install/artifact/RosaServer/" .. AutoUpdater.artifactId .. "/zip", {
-- 		["Accept"] = "application/json",
-- 	}, function(res)
-- 		if res and res.status == 200 then
-- 			local data = json.decode(res.body)
-- 			local downloadUrl = data.location

-- 			AutoUpdater.downloadUrl = downloadUrl
-- 			AutoUpdater.debug("Download URL: " .. downloadUrl)
-- 			AutoUpdater.nextStep()
-- 		else
-- 			AutoUpdater.fail("Failed to download artifact: " .. (res and res.status or "500"))
-- 			AutoUpdater.nextStep()
-- 		end
-- 	end)
-- end

-- function AutoUpdater.downloadArtifact()
-- 	local host = AutoUpdater.downloadUrl:match("(https?://[^/]+)")
-- 	local path = AutoUpdater.downloadUrl:gsub(host, "")

-- 	print("Downloading latest build artifact from: " .. AutoUpdater.downloadUrl)

-- 	http.get(host, path, {
-- 		-- ["Accept"] = "application/zip",
-- 	}, function(res)
-- 		if res and res.status == 200 then
-- 			if os.createDirectory(AutoUpdater.latestHash) then
-- 				AutoUpdater.debug("Created directory for new version.")
-- 			end

-- 			local f = io.open(AutoUpdater.latestHash .. "/update.zip", "w")
-- 			if f then
-- 				f:write(res.body)
-- 				f:close()

-- 				AutoUpdater.print("Download complete.")
-- 				AutoUpdater.nextStep()
-- 			else
-- 				AutoUpdater.fail("Failed to write to file. Please check permissions.")
-- 			end
-- 		else
-- 			AutoUpdater.fail("Failed to download artifact: " .. (res and res.status or "500"))
-- 			print(inspect(res))
-- 		end
-- 	end)
-- end

-- function AutoUpdater.unzipArtifact()
-- 	local command = string.format("unzip -o %s/update.zip -d %s", AutoUpdater.latestHash, AutoUpdater.latestHash)
-- 	os.execute(command)
-- 	AutoUpdater.print("Unzipped latest build artifact.")
-- 	AutoUpdater.nextStep()
-- end

-- function AutoUpdater.moveFiles()
-- 	local baseDir = AutoUpdater.latestHash .. "/"
-- 	os.execute("mv " .. baseDir .. "librosaserver.so ./librosaserver.so")
-- 	os.execute("mv " .. baseDir .. "rosaserversatellite ./rosaserversatellite")
-- 	os.execute("mv " .. baseDir .. "libluajit.so ./libluajit.so")

-- 	AutoUpdater.print("Moved files.")
-- 	AutoUpdater.nextStep()
-- end

-- function AutoUpdater.cleanup()
-- 	os.execute("rm -rf " .. AutoUpdater.latestHash)
-- 	AutoUpdater.print("Cleaned up.")
-- 	AutoUpdater.nextStep()
-- end

-- function AutoUpdater.formatDataSize(size)
-- 	local units = { "B", "KB", "MB", "GB", "TB" }
-- 	local unit = 1

-- 	while size > 1024 do
-- 		size = size / 1024
-- 		unit = unit + 1
-- 	end

-- 	return string.format("%.2f %s", size, units[unit])
-- end

return AutoUpdater