#!/bin/bash
# Script to install Piper TTS

echo "Installing Piper TTS..."

# Detect OS
OS="$(uname -s)"
ARCH="$(uname -m)"

case "${OS}" in
    Linux*)
        if [ "${ARCH}" = "x86_64" ]; then
            PIPER_URL="https://github.com/rhasspy/piper/releases/download/v1.2.0/piper_amd64.tar.gz"
        elif [ "${ARCH}" = "aarch64" ]; then
            PIPER_URL="https://github.com/rhasspy/piper/releases/download/v1.2.0/piper_arm64.tar.gz"
        else
            echo "Unsupported architecture: ${ARCH}"
            exit 1
        fi
        ;;
    Darwin*)
        if [ "${ARCH}" = "x86_64" ] || [ "${ARCH}" = "arm64" ]; then
            PIPER_URL="https://github.com/rhasspy/piper/releases/download/v1.2.0/piper_macos_x64.tar.gz"
        else
            echo "Unsupported architecture: ${ARCH}"
            exit 1
        fi
        ;;
    *)
        echo "Unsupported OS: ${OS}"
        exit 1
        ;;
esac

# Create temp directory
TEMP_DIR=$(mktemp -d)
cd "${TEMP_DIR}"

# Download Piper
echo "Downloading Piper from ${PIPER_URL}..."
curl -L -o piper.tar.gz "${PIPER_URL}"

# Extract
echo "Extracting..."
tar -xzf piper.tar.gz

# Install to /usr/local/bin (requires sudo)
echo "Installing to /usr/local/bin (may require password)..."
sudo cp piper/piper /usr/local/bin/
sudo chmod +x /usr/local/bin/piper

# Cleanup
cd -
rm -rf "${TEMP_DIR}"

# Verify installation
if command -v piper &> /dev/null; then
    echo "✓ Piper TTS installed successfully!"
    piper --version
else
    echo "✗ Installation failed"
    exit 1
fi

echo ""
echo "To download voice models, they will be automatically downloaded on first use."
echo "Or you can manually download from: https://github.com/rhasspy/piper/releases/tag/v1.2.0"