#!/bin/bash
# Build an Ad Hoc IPA and copy to the shared distribution server.
# Usage: ./build-and-deploy.sh [branch]
#   branch defaults to current branch if not specified

set -e

SCRIPT_DIR="$(cd "$(dirname "$0")" && pwd)"
SERVER_BUILDS_DIR="/Volumes/Next2/hermes-home/1ai/builds"
BUILD_DIR="$SCRIPT_DIR/.build"
ARCHIVE_PATH="$BUILD_DIR/Marks.xcarchive"
EXPORT_PATH="$BUILD_DIR/export"

REPO_DIR="$(cd "$SCRIPT_DIR/../.." && pwd)"

SCHEME="${SCHEME:-Marks}"
CONFIGURATION="${CONFIGURATION:-Debug}"
EXPORT_METHOD="${EXPORT_METHOD:-development}"

mkdir -p "$SERVER_BUILDS_DIR"
mkdir -p "$BUILD_DIR"

cd "$REPO_DIR"
CURRENT_BRANCH=$(git rev-parse --abbrev-ref HEAD)

if [ -n "$CI" ]; then
    COMMIT=$(git rev-parse --short HEAD)
    echo "📌 CI mode — building commit: $COMMIT (ref: $CURRENT_BRANCH)"
elif [ -n "$1" ] && [ "$1" != "$CURRENT_BRANCH" ]; then
    echo "🔀 Switching from $CURRENT_BRANCH to $1..."
    git checkout "$1"
    echo "⬇️  Pulling latest $1..."
    git pull origin "$1"
    COMMIT=$(git rev-parse --short HEAD)
    echo "📌 Building commit: $COMMIT on $1"
else
    COMMIT=$(git rev-parse --short HEAD)
    if git ls-remote --exit-code origin "$CURRENT_BRANCH" &>/dev/null; then
        echo "⬇️  Pulling latest $CURRENT_BRANCH..."
        git pull origin "$CURRENT_BRANCH"
    else
        echo "⚠️  No remote for $CURRENT_BRANCH — building local HEAD"
    fi
    echo "📌 Building commit: $COMMIT on $CURRENT_BRANCH"
fi

echo "⚙️  Generating Xcode project..."
xcodegen generate

echo "🔨 Building $SCHEME ($CONFIGURATION)..."

xcodebuild archive \
    -scheme "$SCHEME" \
    -configuration "$CONFIGURATION" \
    -archivePath "$ARCHIVE_PATH" \
    -destination 'generic/platform=iOS' \
    2>&1 | tee "$BUILD_DIR/archive.log" | tail -20

cat > "$BUILD_DIR/ExportOptions.plist" << EOF
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
<plist version="1.0">
<dict>
    <key>method</key>
    <string>${EXPORT_METHOD}</string>
    <key>signingStyle</key>
    <string>automatic</string>
    <key>teamID</key>
    <string>AE5DZKJHGN</string>
    <key>compileBitcode</key>
    <false/>
    <key>stripSwiftSymbols</key>
    <true/>
</dict>
</plist>
EOF

echo "📦 Exporting IPA..."
xcodebuild -exportArchive \
    -archivePath "$ARCHIVE_PATH" \
    -exportPath "$EXPORT_PATH" \
    -exportOptionsPlist "$BUILD_DIR/ExportOptions.plist" \
    2>&1 | tee "$BUILD_DIR/export.log" | tail -20

IPA_FILE=$(find "$EXPORT_PATH" -name "*.ipa" | head -1)
if [ -n "$IPA_FILE" ]; then
    TIMESTAMP=$(date +%Y%m%d-%H%M%S)
    APP_PROPS="$ARCHIVE_PATH/Info.plist"
    VERSION=$(/usr/libexec/PlistBuddy -c "Print :ApplicationProperties:CFBundleShortVersionString" "$APP_PROPS")
    BUILD=$(/usr/libexec/PlistBuddy -c "Print :ApplicationProperties:CFBundleVersion" "$APP_PROPS")
    BRANCH="${GITHUB_HEAD_REF:-${GITHUB_REF_NAME:-$(git rev-parse --abbrev-ref HEAD)}}"
    BRANCH=$(echo "$BRANCH" | sed 's/[^a-zA-Z0-9._-]/-/g')

    DEST_NAME="Marks-${VERSION}-${BUILD}-${BRANCH}-${TIMESTAMP}.ipa"
    cp "$IPA_FILE" "$SERVER_BUILDS_DIR/$DEST_NAME"

    echo ""
    echo "✅ Build complete!"
    echo "   IPA: $SERVER_BUILDS_DIR/$DEST_NAME"
    echo "   Server: https://krishnas-mac-studio.tail37d544.ts.net:8443"
else
    echo "❌ No IPA file found in export"
    exit 1
fi