#!/bin/bash
# Archive WristCode and upload it to App Store Connect for TestFlight.
#
#   scripts/testflight.sh              archive, then export and upload
#   scripts/testflight.sh --no-upload  archive, then export an .ipa to build/export without uploading
#
# BUILD_NUMBER defaults to a timestamp so every upload is unique. The App Store Connect API key comes
# from ASC_KEY_PATH, ASC_KEY_ID and ASC_ISSUER_ID.
set -euo pipefail

upload=1
for arg in "$@"; do
    case "$arg" in
        --no-upload) upload=0 ;;
        *) echo "usage: $0 [--no-upload]" >&2; exit 2 ;;
    esac
done

cd "$(dirname "$0")/.."

TEAM_ID="${TEAM_ID:-GQJNM5YK2M}"
ASC_KEY_ID="${ASC_KEY_ID:-864GCL5SDC}"
ASC_ISSUER_ID="${ASC_ISSUER_ID:-af37ae36-1f23-4245-b220-a7dc56d1a724}"
ASC_KEY_PATH="${ASC_KEY_PATH:-$HOME/.appstoreconnect/private_keys/AuthKey_${ASC_KEY_ID}.p8}"
BUILD_NUMBER="${BUILD_NUMBER:-$(date +%Y%m%d%H%M)}"

build_dir="build"
archive_path="$build_dir/WristCode-$BUILD_NUMBER.xcarchive"
export_path="$build_dir/export-$BUILD_NUMBER"
export_options="$build_dir/ExportOptions.plist"

auth=(
    -allowProvisioningUpdates
    -authenticationKeyPath "$ASC_KEY_PATH"
    -authenticationKeyID "$ASC_KEY_ID"
    -authenticationKeyIssuerID "$ASC_ISSUER_ID"
)

if [[ ! -f "$ASC_KEY_PATH" ]]; then
    echo "App Store Connect API key not found at $ASC_KEY_PATH" >&2
    exit 1
fi

xcodegen generate
mkdir -p "$build_dir"

echo "Archiving build $BUILD_NUMBER to $archive_path"
xcodebuild archive \
    -project WristCode.xcodeproj \
    -scheme WristCode \
    -destination 'generic/platform=watchOS' \
    -archivePath "$archive_path" \
    "${auth[@]}" \
    CURRENT_PROJECT_VERSION="$BUILD_NUMBER"

if (( upload )); then destination=upload; else destination=export; fi
cat > "$export_options" <<PLIST
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
<plist version="1.0">
<dict>
    <key>method</key>
    <string>app-store-connect</string>
    <key>destination</key>
    <string>$destination</string>
    <key>teamID</key>
    <string>$TEAM_ID</string>
    <key>signingStyle</key>
    <string>automatic</string>
    <key>uploadSymbols</key>
    <true/>
    <key>manageAppVersionAndBuildNumber</key>
    <false/>
</dict>
</plist>
PLIST

echo "Exporting ($destination) to $export_path"
xcodebuild -exportArchive \
    -archivePath "$archive_path" \
    -exportPath "$export_path" \
    -exportOptionsPlist "$export_options" \
    "${auth[@]}"

if (( upload )); then
    echo "Uploaded build $BUILD_NUMBER. It appears in TestFlight once App Store Connect finishes processing."
else
    echo "Exported build $BUILD_NUMBER to $export_path"
fi