#!/usr/bin/env bash
set -eo pipefail

echo "Installing droseraup..."

BASE_DIR=${XDG_CONFIG_HOME:-$HOME}
DROSERA_DIR=${DROSERA_DIR:-"${BASE_DIR}/.drosera"}
DROSERA_BIN_DIR="${DROSERA_DIR}/bin"

EXEC_URL="https://raw.githubusercontent.com/drosera-network/releases/main/droseraup/droseraup"
EXEC_PATH="${DROSERA_BIN_DIR}/droseraup"

mkdir -p "${DROSERA_BIN_DIR}"
curl -sSf -L "${EXEC_URL}" -o "${EXEC_PATH}"
chmod +x "${EXEC_PATH}"

case $SHELL in
*/zsh)
    PROFILE="${ZDOTDIR-"$HOME"}/.zshenv"
    PREF_SHELL=zsh
    ;;
*/bash)
    PROFILE=$HOME/.bashrc
    PREF_SHELL=bash
    ;;
*/fish)
    PROFILE=$HOME/.config/fish/config.fish
    PREF_SHELL=fish
    ;;
*/ash)
    PROFILE=$HOME/.profile
    PREF_SHELL=ash
    ;;
*)
    echo "Unsupported shell: $SHELL Please add ${DROSERA_BIN_DIR} to your PATH."
    exit 1
esac

# Check if $PATH contains DROSERA_BIN_DIR
if [[ ":$PATH:" != *":${DROSERA_BIN_DIR}:"* ]]; then
    if [[ "$PREF_SHELL" == "fish" ]]; then
        echo >> "$PROFILE" && echo "fish_add_path -a $DROSERA_BIN_DIR" >> "$PROFILE"
    else
        echo >> "$PROFILE" && echo "export PATH=\"\$PATH:$DROSERA_BIN_DIR\"" >> "$PROFILE"
    fi
fi

echo "Detected your preferred shell is $PREF_SHELL and added droseraup to PATH."
echo "Run 'source $PROFILE' or start a new terminal session to use droseraup."
echo "Then, simply run 'droseraup' to install Drosera."