#!/bin/bash
# https://docs.sheetjs.com/docs/demos/engines/jsc#swift

set -e

OS="$(uname -s)"
ARCH="$(uname -m)"

if ! command -v swiftc &>/dev/null; then
  echo "Error: Swift is not installed. Install from https://swift.org/download/"
  exit 1
fi
echo "Swift version: $(swiftc --version)"

case "$OS" in
  Darwin)
    cd /tmp
    rm -rf sheetjswift
    mkdir -p sheetjswift
    cd sheetjswift

    curl -sLO https://cdn.sheetjs.com/xlsx-latest/package/dist/xlsx.full.min.js
    curl -sLO https://docs.sheetjs.com/pres.numbers
    curl -sLO https://docs.sheetjs.com/swift/SheetJSCore.swift
    curl -sLO https://docs.sheetjs.com/swift/main.swift

    swiftc SheetJSCore.swift main.swift -o SheetJSwift
    ./SheetJSwift pres.numbers
    npx -y xlsx-cli SheetJSwift.xlsx
    ;;

  Linux)
    # This test requires the WebKit build from the C demo
    cd /tmp
    if [ ! -d "sheetjs-jsc" ]; then
      echo "Please run the C demo from https://docs.sheetjs.com/docs/demos/engines/jsc#c"
      exit 1
    fi

    cd sheetjs-jsc
    if [ ! -d "Release" ]; then
      echo "Please run the C demo from https://docs.sheetjs.com/docs/demos/engines/jsc#c"
      exit 1
    fi

    rm -rf sheetjswift
    mkdir -p sheetjswift
    cd sheetjswift

    curl -sLO https://cdn.sheetjs.com/xlsx-latest/package/dist/xlsx.full.min.js
    curl -sLO https://docs.sheetjs.com/pres.numbers

    find ../WebKit/WebKitBuild/JSCOnly/Release/JavaScriptCore/Headers/ -name "*.h" -exec cp {} . \;

    for f in *.h; do sed -i 's/<JavaScriptCore\//</g' "$f"; done

    PWD_DIR=$(pwd)
    cat > JavaScriptCore-Bridging-Header.h << EOF
#import "${PWD_DIR}/JavaScript.h"
EOF

    cat > module.modulemap << EOF
module JavaScriptCore {
  header "./JavaScript.h"
  link "JavaScriptCore"
}
EOF

    curl -sLO https://docs.sheetjs.com/swift/SheetJSCRaw.swift

    swiftc -Xcc -I$(pwd) \
      -Xlinker -L../WebKit/WebKitBuild/JSCOnly/Release/lib/ \
      -Xlinker -lJavaScriptCore \
      -Xlinker -lWTF \
      -Xlinker -lbmalloc \
      -Xlinker -lstdc++ \
      -Xlinker -latomic \
      -Xlinker -licuuc \
      -Xlinker -licui18n \
      -import-objc-header JavaScriptCore-Bridging-Header.h \
      SheetJSCRaw.swift -o SheetJSwift

    ./SheetJSwift pres.numbers
    npx -y xlsx-cli SheetJSwift.xlsx
    ;;

  *) echo "Unsupported OS: $OS"; exit 1 ;;
esac