#!/bin/sh

set -x
set -e

VERSION="$1"
SRCDIR="$(pwd)"
NATIVE_TARBALL="zig-linux-$(uname -m)-$VERSION.tar.xz"

# Check for all the builds being completed. It's expected that this script is run several times
# before they are all complete.
AARCH64_LINUX_JSON_URL="https://ziglang.org/builds/aarch64-linux-$VERSION.json"
X86_64_LINUX_JSON_URL="https://ziglang.org/builds/x86_64-linux-$VERSION.json"
X86_64_WINDOWS_JSON_URL="https://ziglang.org/builds/x86_64-windows-$VERSION.json"
X86_64_MACOS_JSON_URL="https://ziglang.org/builds/x86_64-macos-$VERSION.json"
X86_64_FREEBSD_JSON_URL="https://ziglang.org/builds/x86_64-freebsd-$VERSION.json"

# If any of these fail, it's not really this job failing; rather we have detected
# that this job will be called again later when other jobs have completed.
curl --fail -I "$AARCH64_LINUX_JSON_URL" >/dev/null || exit 0
curl --fail -I "$X86_64_LINUX_JSON_URL" >/dev/null || exit 0
curl --fail -I "$X86_64_WINDOWS_JSON_URL" >/dev/null || exit 0
curl --fail -I "$X86_64_MACOS_JSON_URL" >/dev/null || exit 0
curl --fail -I "$X86_64_FREEBSD_JSON_URL" >/dev/null || exit 0

# Without --user, this gave me:
# ERROR: Could not install packages due to an EnvironmentError: [Errno 13] Permission denied
pip3 install s3cmd --user
S3CMD="$HOME/.local/bin/s3cmd"

# This is the user when pushing to the website repo.
git config --global user.email "ziggy@ziglang.org"
git config --global user.name "Ziggy"

# Refresh this with `ssh-keyscan github.com` from a trusted Internet connection.
# We hard code the public key here to detect man-in-the-middle attacks.
echo "github.com ssh-rsa AAAAB3NzaC1yc2EAAAABIwAAAQEAq2A7hRGmdnm9tUDbO9IDSwBK6TbQa+PXYPCPy6rbTrTtw7PHkccKrpp0yVhp5HdEIcKr6pLlVDBfOLX9QUsyCOV0wzfjIJNlGEYsdlLJizHhbn2mUjvSAHQqZETYP81eFzLQNnPHt4EVVUh7VfDESU84KezmD5QlWpXLmvU31/yMf+Se8xhHTvKSCZIFImWwoG6mbUoWf9nzpIoaSjB+weqqUUmpaaasXVal72J+UX2B+2RPW3RcT0eOzQgqlJL3RKrTJvdsjE3JEAvGq3lGHSZXy28G3skua2SmVi/w4yCE6gbODqnTWlg7+wC604ydGXA8VJiS5ap43JXiUFFAaQ==" >> ~/.ssh/known_hosts

# We don't want the .git folder inside the tarball.
rm -rf .git

cd "$HOME"
wget "https://ziglang.org/builds/$NATIVE_TARBALL"
tar xf "$NATIVE_TARBALL"
ZIGDIR="$(pwd)/$(basename $NATIVE_TARBALL .tar.xz)"
ZIG="$ZIGDIR/zig"
LANGREF="$ZIGDIR/docs/langref.html"
SRCTARBALLDIR="zig-$VERSION"
export SRC_TARBALL="$SRCTARBALLDIR.tar.xz"
mv "$SRCDIR" "$SRCTARBALLDIR"
tar cfJ "$SRC_TARBALL" "$SRCTARBALLDIR"
export SRC_SHASUM=$(sha256sum $SRC_TARBALL | cut '-d ' -f1)
export SRC_BYTESIZE=$(wc -c < $SRC_TARBALL)

X86_64_WINDOWS_JSON=$(curl --fail "$X86_64_WINDOWS_JSON_URL" || exit 1)
export X86_64_WINDOWS_TARBALL="$(echo "$X86_64_WINDOWS_JSON" | jq .tarball -r)"
export X86_64_WINDOWS_BYTESIZE="$(echo "$X86_64_WINDOWS_JSON" | jq .size -r)"
export X86_64_WINDOWS_SHASUM="$(echo "$X86_64_WINDOWS_JSON" | jq .shasum -r)"

X86_64_MACOS_JSON=$(curl --fail "$X86_64_MACOS_JSON_URL" || exit 1)
export X86_64_MACOS_TARBALL="$(echo "$X86_64_MACOS_JSON" | jq .tarball -r)"
export X86_64_MACOS_BYTESIZE="$(echo "$X86_64_MACOS_JSON" | jq .size -r)"
export X86_64_MACOS_SHASUM="$(echo "$X86_64_MACOS_JSON" | jq .shasum -r)"

X86_64_LINUX_JSON=$(curl --fail "$X86_64_LINUX_JSON_URL" || exit 1)
export X86_64_LINUX_TARBALL="$(echo "$X86_64_LINUX_JSON" | jq .tarball -r)"
export X86_64_LINUX_BYTESIZE="$(echo "$X86_64_LINUX_JSON" | jq .size -r)"
export X86_64_LINUX_SHASUM="$(echo "$X86_64_LINUX_JSON" | jq .shasum -r)"

AARCH64_LINUX_JSON=$(curl --fail "$AARCH64_LINUX_JSON_URL" || exit 1)
export AARCH64_LINUX_TARBALL="$(echo "$AARCH64_LINUX_JSON" | jq .tarball -r)"
export AARCH64_LINUX_BYTESIZE="$(echo "$AARCH64_LINUX_JSON" | jq .size -r)"
export AARCH64_LINUX_SHASUM="$(echo "$AARCH64_LINUX_JSON" | jq .shasum -r)"

X86_64_FREEBSD_JSON=$(curl --fail "$X86_64_FREEBSD_JSON_URL" || exit 1)
export X86_64_FREEBSD_TARBALL="$(echo "$X86_64_FREEBSD_JSON" | jq .tarball -r)"
export X86_64_FREEBSD_BYTESIZE="$(echo "$X86_64_FREEBSD_JSON" | jq .size -r)"
export X86_64_FREEBSD_SHASUM="$(echo "$X86_64_FREEBSD_JSON" | jq .shasum -r)"

export MASTER_DATE="$(date +%Y-%m-%d)"
export MASTER_VERSION="$VERSION"

cd "$SRCTARBALLDIR/ci/srht"
"$ZIG" run update-download-page.zig
CIDIR="$(pwd)"

# Create index.json and index.html and update the website repo.
cd "$HOME"
git clone git@github.com:ziglang/www.ziglang.org.git
cd www.ziglang.org
WWWDIR="$(pwd)"

$S3CMD put -P --no-mime-magic --add-header="cache-control: public, max-age=31536000, immutable" "$HOME/$SRC_TARBALL" s3://ziglang.org/builds/

cd "$WWWDIR"
cp "$CIDIR/out/index.json" data/releases.json
mkdir -p content/documentation/master/std
cp "$LANGREF" content/documentation/master/index.html
cp "$ZIGDIR/docs/std/index.html" content/documentation/master/std/index.html
cp "$ZIGDIR/docs/std/data.js" content/documentation/master/std/data.js
cp "$ZIGDIR/docs/std/main.js" content/documentation/master/std/main.js
git add data/releases.json
git add content/
git commit -m "CI: update releases and docs"
git push origin master