#!/bin/sh
set -e

# Sift One-Liner Installer Script
# Usage: curl -fsSL https://raw.githubusercontent.com/taevel02/Sift/refs/heads/main/install.sh | sh

echo "• Installing Sift File Automation CLI Engine..."

INSTALL_DIR="${HOME}/.local/bin"
mkdir -p "$INSTALL_DIR"

if command -v cargo >/dev/null 2>&1; then
    echo "• Rust cargo detected. Building and installing Sift via cargo..."
    cargo install --git https://github.com/taevel02/Sift.git sift --force
    echo "✓ Sift installed successfully via cargo!"
else
    echo "• Downloading Sift binary release..."
    OS="$(uname -s)"
    ARCH="$(uname -m)"

    if [ "$OS" = "Darwin" ]; then
        if [ "$ARCH" = "arm64" ]; then
            TARGET="aarch64-apple-darwin"
        else
            TARGET="x86_64-apple-darwin"
        fi
    else
        TARGET="x86_64-unknown-linux-gnu"
    fi

    URL="https://github.com/taevel02/Sift/releases/latest/download/sift-${TARGET}.tar.gz"
    TEMP_DIR="$(mktemp -d)"

    curl -fsSL "$URL" -o "$TEMP_DIR/sift.tar.gz"
    tar -xzf "$TEMP_DIR/sift.tar.gz" -C "$TEMP_DIR"
    mv "$TEMP_DIR/sift" "$INSTALL_DIR/sift"
    chmod +x "$INSTALL_DIR/sift"
    rm -rf "$TEMP_DIR"

    echo "✓ Sift installed successfully to $INSTALL_DIR/sift!"
fi

# Auto-initialize default global configuration if missing
if command -v sift >/dev/null 2>&1; then
    sift init >/dev/null 2>&1 || true
elif [ -x "$INSTALL_DIR/sift" ]; then
    "$INSTALL_DIR/sift" init >/dev/null 2>&1 || true
fi

echo ""
echo "✓ Installation complete!"
echo "• Make sure $INSTALL_DIR is in your PATH."
echo "› Run 'sift check' or 'sift recipe list' to get started."