#!/usr/bin/env bash
# Build Navis iOS device IPA (+ optional simulator zip).
#
# Usage:
#   ./scripts/build-ios.sh
#       # device IPA (unsigned if no Team) + simulator zip
#   NAVIS_IOS_TEAM_ID=XXXXXXXXXX ./scripts/build-ios.sh
#       # signed archive + exported IPA
#   NAVIS_IOS_SKIP_SIMULATOR=1 ./scripts/build-ios.sh
#       # device only
#
# Optional:
#   NAVIS_IOS_SIGN_IDENTITY="Apple Development: …"
#   NAVIS_IOS_EXPORT_METHOD=development|ad-hoc|enterprise|app-store
set -euo pipefail

ROOT="$(cd "$(dirname "$0")/.." && pwd)"
IOS="$ROOT/ios"
OUT="$ROOT/dist/navis-release/ios"
PROJECT="$IOS/Navis.xcodeproj"
SCHEME=Navis
CONFIG=Release

# Keep VERSION_FULL in sync with internal/update/update.go (also via sync-version.py).
VERSION_FULL="$(
  python3 - <<PY
import re
from pathlib import Path
text = Path(r"$ROOT/internal/update/update.go").read_text(encoding="utf-8")
ver = re.search(r'CurrentVersion\s*=\s*"([^"]+)"', text).group(1)
build = re.search(r"const BuildNumber\s*=\s*(\d+)", text).group(1)
print(f"{ver}.{build}")
PY
)"
# Fail early if parsing broke.
[[ "$VERSION_FULL" =~ ^[0-9]+\.[0-9]+\.[0-9]+\.[0-9]+$ ]] || {
  echo "failed to parse version from update.go" >&2
  exit 1
}
echo "==> Navis iOS build $VERSION_FULL"

# Ensure Info.plist stays aligned with update.go.
python3 "$ROOT/scripts/sync-version.py"

# Ensure LibXray + Hev are present
"$ROOT/scripts/fetch-ios-cores.sh"

mkdir -p "$OUT"
find "$OUT" -mindepth 1 -maxdepth 1 ! -name '.gitkeep' -exec rm -rf {} +

TEAM="${NAVIS_IOS_TEAM_ID:-}"
EXPORT_METHOD="${NAVIS_IOS_EXPORT_METHOD:-development}"
DERIVED="${TMPDIR:-/tmp}/navis-ios-derived"
rm -rf "$DERIVED"
mkdir -p "$DERIVED"

package_ipa() {
  local app_path="$1"
  local ipa_path="$2"
  local stage
  stage="$(mktemp -d)"
  mkdir -p "$stage/Payload"
  ditto "$app_path" "$stage/Payload/Navis.app"
  (
    cd "$stage"
    zip -qry "$ipa_path" Payload
  )
  rm -rf "$stage"
}

# --- Device (iphoneos) ---
echo "==> Building iOS device ($CONFIG, sdk=iphoneos)"
DEV_ARGS=(
  -project "$PROJECT"
  -scheme "$SCHEME"
  -configuration "$CONFIG"
  -destination "generic/platform=iOS"
  -derivedDataPath "$DERIVED"
  -sdk iphoneos
  ONLY_ACTIVE_ARCH=NO
)
if [[ -n "$TEAM" ]]; then
  DEV_ARGS+=(DEVELOPMENT_TEAM="$TEAM")
  if [[ -n "${NAVIS_IOS_SIGN_IDENTITY:-}" ]]; then
    DEV_ARGS+=(CODE_SIGN_IDENTITY="$NAVIS_IOS_SIGN_IDENTITY")
  fi
  echo "==> Archiving (Team=$TEAM)"
  ARCHIVE="$OUT/Navis.xcarchive"
  xcodebuild "${DEV_ARGS[@]}" -archivePath "$ARCHIVE" archive

  EXPORT_PLIST="$OUT/ExportOptions.plist"
  cat >"$EXPORT_PLIST" <<EOF
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
<plist version="1.0">
<dict>
	<key>method</key>
	<string>${EXPORT_METHOD}</string>
	<key>teamID</key>
	<string>${TEAM}</string>
	<key>signingStyle</key>
	<string>automatic</string>
	<key>compileBitcode</key>
	<false/>
	<key>stripSwiftSymbols</key>
	<true/>
</dict>
</plist>
EOF

  EXPORT_DIR="$OUT/export"
  rm -rf "$EXPORT_DIR"
  mkdir -p "$EXPORT_DIR"
  echo "==> Exporting signed IPA (method=$EXPORT_METHOD)"
  xcodebuild -exportArchive \
    -archivePath "$ARCHIVE" \
    -exportPath "$EXPORT_DIR" \
    -exportOptionsPlist "$EXPORT_PLIST"

  IPA="$(find "$EXPORT_DIR" -name '*.ipa' | head -n1 || true)"
  if [[ -n "${IPA:-}" ]]; then
    cp "$IPA" "$OUT/Navis-${VERSION_FULL}.ipa"
    cp "$IPA" "$OUT/Navis.ipa"
    echo "wrote $OUT/Navis-${VERSION_FULL}.ipa (signed)"
  else
    echo "error: signed export produced no .ipa" >&2
    ls -la "$EXPORT_DIR" || true
    exit 1
  fi
else
  DEV_ARGS+=(
    CODE_SIGNING_ALLOWED=NO
    CODE_SIGNING_REQUIRED=NO
    CODE_SIGN_IDENTITY=-
    EXPAND_SDK_VARIABLES=YES
  )
  xcodebuild "${DEV_ARGS[@]}" build

  DEV_APP="$(find "$DERIVED/Build/Products" -path '*iphoneos/Navis.app' -type d | head -n1 || true)"
  if [[ -z "${DEV_APP:-}" || ! -d "$DEV_APP" ]]; then
    echo "error: device Navis.app not found under $DERIVED" >&2
    find "$DERIVED/Build/Products" -name 'Navis.app' -type d 2>/dev/null || true
    exit 1
  fi

  cp -R "$DEV_APP" "$OUT/Navis-device.app"
  package_ipa "$DEV_APP" "$OUT/Navis-${VERSION_FULL}.ipa"
  cp "$OUT/Navis-${VERSION_FULL}.ipa" "$OUT/Navis.ipa"
  echo "wrote $OUT/Navis-device.app"
  echo "wrote $OUT/Navis-${VERSION_FULL}.ipa (UNSIGNED — re-sign before install)"
  echo "wrote $OUT/Navis.ipa"
fi

# --- Simulator (optional) ---
if [[ "${NAVIS_IOS_SKIP_SIMULATOR:-}" != "1" ]]; then
  echo "==> Building iOS Simulator ($CONFIG)"
  SIM_ARGS=(
    -project "$PROJECT"
    -scheme "$SCHEME"
    -configuration "$CONFIG"
    -destination "generic/platform=iOS Simulator"
    -derivedDataPath "$DERIVED"
    ONLY_ACTIVE_ARCH=NO
  )
  if [[ -n "$TEAM" ]]; then
    SIM_ARGS+=(DEVELOPMENT_TEAM="$TEAM")
  else
    SIM_ARGS+=(CODE_SIGNING_ALLOWED=NO CODE_SIGNING_REQUIRED=NO)
  fi
  xcodebuild "${SIM_ARGS[@]}" build

  SIM_APP="$(find "$DERIVED/Build/Products" -path '*iphonesimulator/Navis.app' -type d | head -n1 || true)"
  if [[ -n "${SIM_APP:-}" && -d "$SIM_APP" ]]; then
    cp -R "$SIM_APP" "$OUT/Navis-simulator.app"
    (
      cd "$OUT"
      ditto -c -k --sequesterRsrc --keepParent Navis-simulator.app "Navis-${VERSION_FULL}-simulator.app.zip"
    )
    echo "wrote $OUT/Navis-simulator.app"
  fi
fi

echo "done → $OUT"
ls -lh "$OUT"/*.ipa "$OUT"/*.app 2>/dev/null || ls -lh "$OUT"