fix(update, log): change path handling

@module koplugin.BookloreSync.file_logger

--]]--

local DataStorage = require("datastorage")

local logger = require("logger")

local FileLogger = {

@return boolean success

--]]

function FileLogger:init()

    -- Set log directory to plugin directory

    self.log_dir = DataStorage:getDataDir() .. "/plugins/bookloresync.koplugin/logs"

function FileLogger:init(plugin_dir)

    -- Detect plugin directory from this file's path if not provided

    if not plugin_dir then

        local source = debug.getinfo(1, "S").source

        -- source is "@/path/to/bookloresync.koplugin/booklore_file_logger.lua"

        plugin_dir = source:match("@(.*)/[^/]+$")

    end

    -- Set log directory inside the plugin folder

    self.log_dir = plugin_dir .. "/logs"

    -- Create logs directory if it doesn't exist

    local mkdir_cmd = "mkdir -p " .. self.log_dir

    os.execute(mkdir_cmd)

    -- Create logs directory using lfs if available, else fall back to os.execute

    local lfs_ok, lfs = pcall(require, "libs/libkoreader-lfs")

    if lfs_ok and lfs then

        if not lfs.attributes(self.log_dir) then

            lfs.mkdir(self.log_dir)

        end

    else

        os.execute("mkdir -p " .. self.log_dir)

    end

    -- Check if directory was created successfully

    local test_file = io.open(self.log_dir .. "/.test", "w")

end

--[[--

Rotate old log files, keeping only the last N files

List all log files in the log directory, sorted newest first.

@return boolean success

Tries lfs directory iteration first (works on Android); falls back to

io.popen("find ...") on platforms where lfs is unavailable.

@return table Array of full log file paths sorted descending by name

--]]

function FileLogger:rotateLogs()

    -- Get all log files in the directory

function FileLogger:_listLogFiles()

    local log_files = {}

    local find_cmd = "find " .. self.log_dir .. " -name 'booklore-*.log' -type f | sort -r"

    local handle = io.popen(find_cmd)

    if not handle then

        logger.warn("BookloreSync FileLogger: Failed to list log files for rotation")

        return false

    local lfs_ok, lfs = pcall(require, "libs/libkoreader-lfs")

    if lfs_ok and lfs then

        -- lfs-based iteration — no shell required

        for entry in lfs.dir(self.log_dir) do

            if entry:match("^booklore%-%d%d%d%d%-%d%d%-%d%d%.log$") then

                table.insert(log_files, self.log_dir .. "/" .. entry)

            end

        end

        table.sort(log_files, function(a, b) return a > b end)

    else

        -- Shell fallback for platforms without lfs

        local find_cmd = "find " .. self.log_dir .. " -name 'booklore-*.log' -type f | sort -r"

        local handle = io.popen(find_cmd)

        if handle then

            for file in handle:lines() do

                table.insert(log_files, file)

            end

            handle:close()

        end

    end

    return log_files

end

--[[--

Rotate old log files, keeping only the last N files

@return boolean success

--]]

function FileLogger:rotateLogs()

    -- Get all log files in the directory

    local log_files = self:_listLogFiles()

    if not log_files then

        logger.warn("BookloreSync FileLogger: Failed to list log files for rotation")

        return false

    end

    -- Delete files beyond max_files

    if #log_files > self.max_files then

@return table Array of log file paths (sorted newest first)

--]]

function FileLogger:getLogFiles()

    local log_files = {}

    local find_cmd = "find " .. self.log_dir .. " -name 'booklore-*.log' -type f | sort -r"

    local handle = io.popen(find_cmd)

    if not handle then

        return log_files

    end

    for file in handle:lines() do

        table.insert(log_files, file)

    end

    handle:close()

    return log_files

    return self:_listLogFiles()

end

--[[--

    -- Set up backup directory

    self.backup_dir = DataStorage:getDataDir() .. "/booklore-backups"

    -- Set up temp directory

    self.temp_dir = "/tmp/booklore-update-" .. tostring(os.time())

    -- Set up temp directory inside KOReader data dir (writable on all platforms including Android)

    self.temp_dir = DataStorage:getDataDir() .. "/booklore-temp-" .. tostring(os.time())

    logger.info("BookloreSync Updater: Initialized")

    logger.info("BookloreSync Updater: Plugin dir:", self.plugin_dir)