#!/bin/bash
set -e

# Installs bb64 on the local machine.
# 1. determines the architecture of the local machine
# 2. downloads the appropriate bb64 binary from the latest public release on Gitea (https://gitea.jde.nz/j/bb64/releases)
# 3. makes the bb64 binary executable
# 4. moves the bb64 binary to /usr/local/bin
# 5. prints a message to the user


# 1. Determine architecture
# ----------------------------------------------------------------------------- 

ARCH=$(uname -m)
if [[ "$ARCH" == "x86_64" ]]; then
    BIN=bb64.amd64
elif [[ "$ARCH" == "aarch64" || "$ARCH" == "arm64" ]]; then
    BIN=bb64.arm64
else
    echo "Unsupported architecture: $ARCH" >&2
    exit 1
fi

# 3. Download the appropriate binary to a temp directory
# -----------------------------------------------------------------------------
TMPDIR=$(mktemp -d)
trap 'rm -rf "$TMPDIR"' EXIT
URL="https://gitea.jde.nz/j/bb64/releases/download/latest/$BIN"
echo "Downloading $BIN from $URL..."

curl -fsSL -o "$TMPDIR/bb64" "$URL"

# 4. Make it executable
# -----------------------------------------------------------------------------
chmod +x "$TMPDIR/bb64"

# 5. Move to /usr/local/bin
# -----------------------------------------------------------------------------
docker run --rm -v "$TMPDIR:/tmp" -v /usr/local/bin:/target alpine sh -c "cp /tmp/bb64 /target/bb64"
rm "$TMPDIR/bb64"

# 6. Print success message
# -----------------------------------------------------------------------------
echo "bb64 installed successfully to /usr/local/bin/bb64 (version $TAG, arch $ARCH)"
echo " "
echo "Update bb64 with:"
echo "    bb64 -u"
echo " "
echo "try it out with:"
echo "    bb64 ZWNobyAiSGVsbG8td29ybGQhIGJiNjQgaXMgd29ya2luZy4i"