#!/usr/bin/env bash

INSTALL_DIR="$HOME/.hipo/bin"
RELEASE_API_URL="https://api.github.com/repos/devhipo/hipo/releases/latest"

echo "Fetching the latest release from $RELEASE_API_URL..."

LATEST_TAG=$(curl -s $RELEASE_API_URL | perl -nle 'print $& while m{"tag_name": "\K(.*)(?=")}g')

if [ -z "$LATEST_TAG" ]; then
  echo "Failed to fetch the latest release tag. Exiting."
  exit 1
fi

echo "Latest release tag: $LATEST_TAG"

# Determine the OS
OS=""

case "$(uname -s)" in
  Darwin)
    OS="macos"
    ;;
  Linux)
    OS="linux"
    ;;
  *)
    echo "Unsupported OS. Exiting."
    exit 1
    ;;
esac

case "$(uname -m)" in
  x86_64)
    ARCH="x64"
    ;;
  arm64)
    ARCH="arm64"
    ;;
  aarch64)
    ARCH="arm64"
    ;;
  *)
    echo "Unsupported architecture: $ARCH. Exiting."
    exit 1
    ;;
esac

# Construct the download URL for the specific file
FILE_NAME="hipo-$OS-$ARCH-$LATEST_TAG"

DOWNLOAD_URL="https://github.com/devhipo/hipo/releases/download/$LATEST_TAG/$FILE_NAME"

echo "Downloading binary from $DOWNLOAD_URL..."
curl -s -L "$DOWNLOAD_URL" -o "/tmp/$FILE_NAME"

if [ ! $? ]; then
  echo "Failed to download the file. Exiting."
  exit 1
fi

mkdir -p "$INSTALL_DIR"

# Move the downloaded file to the home directory
echo "Installing the executable to $INSTALL_DIR..."
mv "/tmp/$FILE_NAME" "$INSTALL_DIR/hipo"

if [ ! $? ]; then
  echo "Failed to install the executable. Exiting."
  exit 1
fi

chmod +x "$INSTALL_DIR/hipo"

# Add the installation directory to the PATH in .bashrc or .zshrc
SHELL_RC=""

if [[ "$SHELL" == *bash ]]; then
  SHELL_RC="$HOME/.bashrc"
elif [[ "$SHELL" == *zsh ]]; then
  SHELL_RC="$HOME/.zshrc"
else
  cat <<EOF
Unsupported shell. Please manually add $INSTALL_DIR to your PATH.
export PATH="$INSTALL_DIR:\$PATH"
EOF
  exit 1
fi

if ! grep -q "$INSTALL_DIR" "$SHELL_RC"; then
  echo "Adding $INSTALL_DIR to PATH in $SHELL_RC..."
  cat <<EOF >> "$SHELL_RC"
export PATH="$INSTALL_DIR:\$PATH"

EOF
  echo "Path successfully updated. Please restart your terminal or run 'source $SHELL_RC' to apply the changes."
else
  echo "$INSTALL_DIR is already in PATH in $SHELL_RC."
fi

echo "Installation complete. hipo is installed in $INSTALL_DIR."