#!/bin/bash
set -euo pipefail
IFS=$'\n\t'

export PLATFORM=$1
export ZT_ISA=$2
export VERSION=$3
export EVENT=$4

case $PLATFORM in
    el*|fc*|amzn*)
        export PKGFMT=rpm
        ;;
    *)
        export PKGFMT=deb
esac

# OSX
# x86_64-apple-darwin
# aarch64-apple-darwin

# Windows
# x86_64-pc-windows-msvc
# i686-pc-windows-msvc
# aarch64-pc-windows-msvc

# Linux
# i686-unknown-linux-gnu
# x86_64-unknown-linux-gnu
# arm-unknown-linux-gnueabi       ?
# arm-unknown-linux-gnueabihf     ?
# armv7-unknown-linux-gnueabihf
# 

case $ZT_ISA in
    386)
        export DOCKER_ARCH=386
        export RUST_TRIPLET=i686-unknown-linux-gnu
        ;;
    amd64)
        export DOCKER_ARCH=amd64
        export RUST_TRIPLET=x86_64-unknown-linux-gnu
        ;;
    armv6)
        export DOCKER_ARCH=arm/v6
        export RUST_TRIPLET=arm-unknown-linux-gnueabi
        ;;
    armv7)        
        export DOCKER_ARCH=arm/v7
        export RUST_TRIPLET=arm-unknown-linux-gnueabihf
        ;;
    arm64)
        export DOCKER_ARCH=arm64/v8
        export RUST_TRIPLET=aarch64-unknown-linux-gnu
        ;;
    riscv64)
        export DOCKER_ARCH=riscv64
        export RUST_TRIPLET=riscv64gc-unknown-linux-gnu
        ;;
    ppc64le)
        export DOCKER_ARCH=ppc64le
        export RUST_TRIPLET=powerpc64le-unknown-linux-gnu
        ;;    
    mips64le)
        export DOCKER_ARCH=mips64le
        export RUST_TRIPLET=mips64el-unknown-linux-gnuabi64
        ;;
    s390x)
        export DOCKER_ARCH=s390x
        export RUST_TRIPLET=s390x-unknown-linux-gnu
        ;;
    *)        
        echo "ERROR: could not determine architecture settings. PLEASE FIX ME"
        exit 1
        ;;
esac

if [ -f "ci/Dockerfile.${PLATFORM}" ]; then
    export DOCKERFILE="ci/Dockerfile.${PLATFORM}"
else
    export DOCKERFILE="ci/Dockerfile.${PKGFMT}"
fi

echo "#~~~~~~~~~~~~~~~~~~~~"
echo "$0 variables:"
echo "nproc: $(nproc)"
echo "ZT_ISA: ${ZT_ISA}"
echo "DOCKER_ARCH: ${DOCKER_ARCH}"
echo "RUST_TRIPLET: ${RUST_TRIPLET}"
echo "VERSION: ${VERSION}"
echo "EVENT: ${EVENT}"
echo "PKGFMT: ${PKGFMT}"
echo "PWD: ${PWD}"
echo "DOCKERFILE: ${DOCKERFILE}"
echo "#~~~~~~~~~~~~~~~~~~~~"

if [ ${EVENT} == "push" ]; then
make munge_rpm zerotier-one.spec VERSION=${VERSION}
make munge_deb debian/changelog VERSION=${VERSION}
fi

export DOCKER_BUILDKIT=1
docker run --privileged --rm tonistiigi/binfmt --install all

# docker pull --platform linux/${DOCKER_ARCH} registry.sean.farm/${PLATFORM}-builder

docker buildx build \
       --build-arg PLATFORM="${PLATFORM}" \
       --build-arg RUST_TRIPLET="${RUST_TRIPLET}" \
       --build-arg DOCKER_ARCH="${DOCKER_ARCH}" \
       --platform linux/${DOCKER_ARCH} \
       -f ${DOCKERFILE} \
       -t build \
       . \
       --output type=local,dest=. \
       --target export