#!/bin/bash
# Round0 smoke QA entrypoint.

set -euo pipefail

SCRIPT_DIR="$(cd "$(dirname "$0")" && pwd)"
OUTPUT_ROOT="$(cd "$SCRIPT_DIR/.." && pwd)"
# shellcheck source=build-output-paths.sh
source "$SCRIPT_DIR/build-output-paths.sh"
SOURCE_ROOT="$OUTPUT_ROOT/C1.source"
BUILD_ROOT="$OUTPUT_ROOT/C2.builds"
ARCHIVE_ROOT="$BUILD_OLD_RELEASE_ROOT"
APP="$BUILD_CURRENT_APP"

fail() {
  echo "QA failed: $*" >&2
  exit 1
}

aligner_pids_for_current_app() {
  ps -axo pid=,args= | while read -r pid command; do
    case "$command" in
      "$APP/Contents/MacOS/Aligner"*) echo "$pid" ;;
    esac
  done
}

stop_current_aligner() {
  for pid in $(aligner_pids_for_current_app); do
    kill "$pid" 2>/dev/null || true
  done

  for _ in {1..20}; do
    [ -z "$(aligner_pids_for_current_app)" ] && return
    sleep 0.1
  done

  fail "current Aligner app did not exit"
}

cd "$SOURCE_ROOT"
swift build
swift test

"$SCRIPT_DIR/check-signing.sh"

stop_current_aligner
"$SCRIPT_DIR/package-app.sh"

[ -d "$APP" ] || fail "missing $APP"
codesign --verify --deep --strict "$APP"

APP_REQUIREMENT="$(codesign -d -r- "$APP" 2>&1)"
echo "$APP_REQUIREMENT"
if echo "$APP_REQUIREMENT" | grep -Fq 'cdhash H"'; then
  fail "app is signed with a cdhash-only ad-hoc requirement"
fi

ROOT_DMG_COUNT="$(find "$BUILD_ROOT" -maxdepth 1 -type f \( -name 'Aligner_*.dmg' -o -name 'Aligner-*.dmg' \) | wc -l | tr -d ' ')"
[ "$ROOT_DMG_COUNT" = "0" ] || fail "expected no root DMG, found $ROOT_DMG_COUNT"

LATEST_RELEASE_DIR="$(find "$BUILD_ROOT" -maxdepth 1 -type d -name 'Aligner-*-build*' | sort | tail -n 1)"
[ -n "$LATEST_RELEASE_DIR" ] || fail "missing latest release directory"

LATEST_DMG="$(find "$LATEST_RELEASE_DIR" -maxdepth 1 -type f -name 'Aligner-*-build*.dmg' | sort | tail -n 1)"
[ -n "$LATEST_DMG" ] || fail "missing latest DMG"
hdiutil verify "$LATEST_DMG"

if [ ! -f "$LATEST_RELEASE_DIR/SHA256SUMS.txt" ]; then
  fail "missing SHA256SUMS.txt in $LATEST_RELEASE_DIR"
fi

if find "$BUILD_ROOT" "$BUILD_TMP_ROOT" -maxdepth 1 -type f -name '.*tmp*.dmg' | grep -q .; then
  fail "temporary DMG left in $BUILD_ROOT"
fi

if find "$ARCHIVE_ROOT" -maxdepth 2 -name '*.app' | grep -q .; then
  fail "old build archives must not contain .app bundles"
fi

if [ -n "$(aligner_pids_for_current_app)" ]; then
  fail "package-app.sh must not open Aligner by default"
fi

swift "$SCRIPT_DIR/window-logic-qa.swift"

frontmost_app() {
  swift -e 'import AppKit; print(NSWorkspace.shared.frontmostApplication?.localizedName ?? "")' 2>/dev/null || true
}

FRONTMOST_BEFORE="$(frontmost_app)"
"$APP/Contents/MacOS/Aligner" \
  --round0-skip-permissions \
  --round0-debug-overlay \
  --round0-debug-settings-child \
  --round0-debug-auto-hide-after=1.0 \
  --round0-debug-quit-after=3.0 &
DEBUG_PID="$!"

cleanup_debug_app() {
  kill "$DEBUG_PID" 2>/dev/null || true
}
trap cleanup_debug_app EXIT

sleep 0.8
swift "$SCRIPT_DIR/window-logic-qa.swift" --expect-debug-overlay --expect-debug-settings-child

FRONTMOST_AFTER="$(frontmost_app)"
if [ -n "$FRONTMOST_BEFORE" ] && [ -n "$FRONTMOST_AFTER" ] && [ "$FRONTMOST_BEFORE" != "$FRONTMOST_AFTER" ]; then
  fail "debug overlay changed frontmost app from '$FRONTMOST_BEFORE' to '$FRONTMOST_AFTER'"
fi

sleep 1.0
swift "$SCRIPT_DIR/window-logic-qa.swift" --expect-no-debug-overlay --expect-no-debug-settings-child

for _ in {1..30}; do
  if ! kill -0 "$DEBUG_PID" 2>/dev/null; then
    break
  fi
  sleep 0.1
done

if kill -0 "$DEBUG_PID" 2>/dev/null; then
  kill "$DEBUG_PID" 2>/dev/null || true
  fail "debug overlay app did not quit"
fi

wait "$DEBUG_PID" 2>/dev/null || true
trap - EXIT

echo "Round0 QA passed"