// cell audit [<locator>] - Test-compile all .ce and .cm scripts
//
// Usage:
//   cell audit              Audit all packages
//   cell audit <locator>    Audit specific package
//   cell audit .            Audit current directory package
//   cell audit --function-hoist [<locator>]   Report function hoisting usage
//
// Compiles every script in the package(s) to check for errors.
// Continues past failures and reports all issues at the end.

var shop = use('internal/shop')
var pkg = use('package')
var fd = use('fd')

var target_package = null
var function_hoist = false
var i = 0

var run = function() {
  var packages = null
  var tokenize_mod = null
  var parse_mod = null
  var hoist_files = 0
  var hoist_refs = 0
  var total_ok = 0
  var total_errors = 0
  var total_scripts = 0
  var all_failures = []
  var all_unresolved = []
  var summary = null

  for (i = 0; i < length(args); i++) {
    if (args[i] == '--help' || args[i] == '-h') {
      log.console("Usage: cell audit [--function-hoist] [<locator>]")
      log.console("")
      log.console("Test-compile all .ce and .cm scripts in package(s).")
      log.console("Reports all errors without stopping at the first failure.")
      log.console("")
      log.console("Flags:")
      log.console("  --function-hoist   Report files that rely on function hoisting")
      return
    } else if (args[i] == '--function-hoist') {
      function_hoist = true
    } else if (!starts_with(args[i], '-')) {
      target_package = args[i]
    }
  }

  // Resolve local paths
  if (target_package) {
    target_package = shop.resolve_locator(target_package)
  }

  if (target_package) {
    packages = [target_package]
  } else {
    packages = shop.list_packages()
  }

  if (function_hoist) {
    tokenize_mod = use('tokenize')
    parse_mod = use('parse')

    arrfor(packages, function(p) {
      var scripts = shop.get_package_scripts(p)
      var pkg_dir = shop.get_package_dir(p)
      if (length(scripts) == 0) return

      arrfor(scripts, function(script) {
        var src_path = pkg_dir + '/' + script
        var src = null
        var tok_result = null
        var ast = null
        var scan = function() {
          if (!fd.is_file(src_path)) return
          src = text(fd.slurp(src_path))
          tok_result = tokenize_mod(src, script)
          ast = parse_mod(tok_result.tokens, src, script, tokenize_mod)
          if (ast._hoisted_fns != null && length(ast._hoisted_fns) > 0) {
            log.console(p + '/' + script + ":")
            hoist_files = hoist_files + 1
            arrfor(ast._hoisted_fns, function(ref) {
              var msg = "  " + ref.name
              if (ref.line != null) msg = msg + " (ref line " + text(ref.line)
              if (ref.decl_line != null) msg = msg + ", declared line " + text(ref.decl_line)
              if (ref.line != null) msg = msg + ")"
              log.console(msg)
              hoist_refs = hoist_refs + 1
            })
          }
        } disruption {
          // skip files that fail to parse
        }
        scan()
      })
    })

    log.console("")
    log.console("Summary: " + text(hoist_files) + " files with function hoisting, " + text(hoist_refs) + " total forward references")
    return
  }

  arrfor(packages, function(p) {
    var scripts = shop.get_package_scripts(p)
    var result = null
    var resolution = null
    if (length(scripts) == 0) return

    log.console("Auditing " + p + " (" + text(length(scripts)) + " scripts)...")
    result = shop.build_package_scripts(p)
    total_ok = total_ok + result.ok
    total_errors = total_errors + length(result.errors)
    total_scripts = total_scripts + result.total

    arrfor(result.errors, function(e) {
      all_failures[] = p + ": " + e
    })

    // Check use() resolution
    resolution = shop.audit_use_resolution(p)
    arrfor(resolution.unresolved, function(u) {
      all_unresolved[] = p + '/' + u.script + ": use('" + u.module + "') cannot be resolved"
    })
  })

  log.console("")
  if (length(all_failures) > 0) {
    log.console("Failed scripts:")
    arrfor(all_failures, function(f) {
      log.console("  " + f)
    })
    log.console("")
  }

  if (length(all_unresolved) > 0) {
    log.console("Unresolved modules:")
    arrfor(all_unresolved, function(u) {
      log.console("  " + u)
    })
    log.console("")
  }

  summary = "Audit complete: " + text(total_ok) + "/" + text(total_scripts) + " scripts compiled"
  if (total_errors > 0) summary = summary + ", " + text(total_errors) + " failed"
  if (length(all_unresolved) > 0) summary = summary + ", " + text(length(all_unresolved)) + " unresolved use() calls"
  log.console(summary)
}
run()