#!/bin/bash

DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
ROOT="$( cd $DIR/../ && pwd)"
CL_GREEN=$(tput setaf 2)
CL_CYAN=$(tput setaf 6)
CL_RED=$(tput setaf 1)
CL_NC=$(tput sgr0) # No Color

if [[ "$RUST_APP_NAME" == "" ]]; then
  echo "RUST_APP_NAME is undefined"
  exit 1
fi

if [[ "$RUST_APP_ROOT" == "" ]]; then
  echo "RUST_APP_ROOT is undefined"
  exit 1
fi

##############################################
# Prepare cargo dependencies and output lib

function arch_to_triple() {
    arch=$1
    if [[ "$arch" == "x86" ]]; then
        triple="i686-linux-android"
    elif [[ "$arch" == "x86_64" ]]; then
        triple="x86_64-linux-android"
    elif [[ "$arch" == "arm" ]]; then
        triple="arm-linux-androideabi"
    elif [[ "$arch" == "arm64" ]]; then
        triple="aarch64-linux-android"
    elif [[ "$arch" == "mips" ]]; then
        triple="mips-unknown-linux-gnu"
    elif [[ "$arch" == "mips64" ]]; then
        triple="mips64-unknown-linux-gnuabi64"
    else
        echo "Unknow arch_to_triple conversion for: $arch"
        exit 1
    fi

    echo $triple
}

function cargo_build() {
  # Lookup the expanded triple form
  target=$1
  build_type=$2
  triple_target=$(arch_to_triple $target)

  cd $RUST_APP_ROOT;
  echo " cargo: building library: $triple_target / $target"
  cargo build -q --release --target=$triple_target

  if [ $? -eq 0 ]; then
    echo " cargo: build completed: $triple_target"
    install_dir=$ROOT/app/libs/$target
    output_dir=$RUST_APP_ROOT/target/$triple_target/$build_type
    mkdir -p $install_dir
    cp $output_dir/lib$RUST_APP_NAME.so $install_dir/
  else
    echo -e "\n cargo build failed: $triple_target"
    exit 1;
  fi
}

IFS=', ' read -r -a cargo_build_targets <<< "$CARGO_BUILD_TARGETS"
success=false

# TODO: arrayify these triple targets from outside input
for arch in ${cargo_build_targets[@]}; do
    cargo_build $arch release && success=true
done


if [[ "$success" != true ]]; then
    echo " cargo: failed to build any targets($CARGO_BUILD_TARGETS)"
    exit 1
fi

##############################################
# Run Android Gradle Build

cd $ROOT
echo "gradle: building android shell"
RUST_APP_NAME=$RUST_APP_NAME \
RUST_APP_ROOT=$RUST_APP_ROOT \
  $ROOT/gradlew build -q $@

if [ $? -eq 0 ]; then
    echo "gradle: build complete"
    if [[ "$RUMO_APK_OUTPUT" == "" ]]; then
        RUMO_APK_OUTPUT=$RUST_APP_ROOT/target/apk
    fi

    mkdir -p $RUMO_APK_OUTPUT
    cp $RUST_APP_ROOT/target/android-shell/app/build/outputs/apk/* $RUMO_APK_OUTPUT/
    apk_list=$(ls -1 $RUMO_APK_OUTPUT)

    echo
    echo -e "${CL_CYAN}${apk_list}${CL_NC}"
    echo -e "${CL_GREEN}APK(s) Copied to: $RUMO_APK_OUTPUT${CL_NC}"
fi