// Pure helpers for the hypr-rdp plugin: TOML-ish config patching and
// hyprctl JSON parsing. No QML/Quickshell APIs here so this stays testable
// with plain node/qjs.

function escapeTomlString(value) {
  return String(value === undefined || value === null ? "" : value)
    .replace(/\\/g, "\\\\")
    .replace(/"/g, "\\\"")
}

function unescapeTomlString(value) {
  return String(value || "")
    .replace(/\\"/g, "\"")
    .replace(/\\\\/g, "\\")
}

// Reads only the keys we ever show/edit (bind, username, password) from a
// hypr-rdp config.toml. Everything else in the file is left completely
// alone by serializeConfig below, comments included.
function parseConfig(text) {
  var result = { bind: "", username: "", password: "" }
  var lines = String(text || "").split("\n")
  var re = /^\s*(bind|username|password)\s*=\s*"((?:[^"\\]|\\.)*)"\s*$/
  for (var i = 0; i < lines.length; i++) {
    var m = lines[i].match(re)
    if (m) result[m[1]] = unescapeTomlString(m[2])
  }
  return result
}

// Line-level patch: replaces an existing `key = "..."` line in place,
// appends a new one if the key was never set, and never touches any other
// line (comments, capture_mode, bitrate, etc. survive untouched).
function serializeConfig(originalText, patch) {
  var lines = String(originalText || "").split("\n")
  var keys = ["bind", "username", "password"]
  var seen = {}

  for (var i = 0; i < lines.length; i++) {
    for (var k = 0; k < keys.length; k++) {
      var key = keys[k]
      if (patch[key] === undefined) continue
      var re = new RegExp("^\\s*" + key + "\\s*=")
      if (re.test(lines[i])) {
        lines[i] = key + " = \"" + escapeTomlString(patch[key]) + "\""
        seen[key] = true
      }
    }
  }

  var toAppend = []
  for (var k2 = 0; k2 < keys.length; k2++) {
    var key2 = keys[k2]
    if (patch[key2] !== undefined && !seen[key2]) {
      toAppend.push(key2 + " = \"" + escapeTomlString(patch[key2]) + "\"")
    }
  }

  var out = lines.join("\n")
  if (toAppend.length > 0) {
    if (out.length > 0 && out.charAt(out.length - 1) !== "\n") out += "\n"
    out += toAppend.join("\n") + "\n"
  }
  return out
}

// Content for the toggle flag file under
// ~/.local/state/omarchy/toggles/hypr/. Its mere presence pins the
// hypr-rdp headless output's workspace so Hyprland's normal
// auto-assignment never reuses it; deleting the file removes the pin.
function isolationLuaContent(workspaceId, outputName) {
  return "-- Managed by the jandieman.hypr-rdp bar widget's isolation\n" +
    "-- toggle. Do not hand-edit -- this file is overwritten or removed\n" +
    "-- automatically when the toggle is flipped.\n" +
    "--\n" +
    "-- Keeps the hypr-rdp headless monitor's workspace from being reused\n" +
    "-- by normal window/workspace auto-assignment, so it never silently\n" +
    "-- steals one of your visible workspaces while RDP is active.\n" +
    "hl.workspace_rule({ workspace = \"" + workspaceId + "\", monitor = \"" +
    outputName + "\", default = true, persistent = true })\n"
}

function parseClients(raw, workspaceId) {
  var clients
  try {
    clients = raw ? JSON.parse(String(raw)) : []
  } catch (e) {
    clients = []
  }
  if (!Array.isArray(clients)) return []

  var result = []
  for (var i = 0; i < clients.length; i++) {
    var c = clients[i]
    if (c && c.workspace && c.workspace.id === workspaceId) {
      result.push({
        title: String(c.title || c.initialTitle || "Untitled"),
        cls: String(c["class"] || c.initialClass || "")
      })
    }
  }
  return result
}

function parseActiveWorkspaceId(raw) {
  try {
    var obj = JSON.parse(String(raw || ""))
    return typeof obj.id === "number" ? obj.id : -1
  } catch (e) {
    return -1
  }
}

if (typeof module !== "undefined") {
  module.exports = {
    escapeTomlString: escapeTomlString,
    unescapeTomlString: unescapeTomlString,
    parseConfig: parseConfig,
    serializeConfig: serializeConfig,
    isolationLuaContent: isolationLuaContent,
    parseClients: parseClients,
    parseActiveWorkspaceId: parseActiveWorkspaceId
  }
}