#!/usr/bin/env bash
#
# Instalace Hermes Agent na macOS
# - vyzaduje Homebrew a Fish shell
# - nainstaluje Hermes CLI
# - prida aliasy do Fish
#
set -euo pipefail

if [[ "$(uname)" != "Darwin" ]]; then
    echo "Tento skript je pouze pro macOS" >&2
    exit 1
fi

# Kontrola Homebrew
if ! command -v brew &>/dev/null; then
    echo "Instaluji Homebrew..."
    /bin/bash -c "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/HEAD/install.sh)"
fi

# Kontrola Fish
if ! command -v fish &>/dev/null; then
    echo "Instaluji Fish..."
    brew install fish
fi

# Instalace Hermes (pres pip)
echo "Instaluji Hermes pres pip..."
python3 -m pip install --user hermes-agent

# Pridej do PATH (pokud neni)
PIP_BIN="$HOME/Library/Python/3.9/bin"
if [[ -d "$PIP_BIN" ]] && [[ ":$PATH:" != *":$PIP_BIN:"* ]]; then
    cat >> ~/.zshrc <<EOF
export PATH="\$HOME/Library/Python/3.9/bin:\$PATH"
EOF
    export PATH="$PIP_BIN:$PATH"
fi

# Overeni
if command -v hermes &>/dev/null; then
    echo "Hermes nainstalovan: $(hermes --version)"
else
    echo "Hermes neni v PATH. Pridej rucne: export PATH=\"\$HOME/Library/Python/3.9/bin:\$PATH\""
fi

# Fish alias
FISH_CONFIG="$HOME/.config/fish/config.fish"
mkdir -p "$(dirname "$FISH_CONFIG")"
if ! grep -q "alias hermes=" "$FISH_CONFIG" 2>/dev/null; then
    cat >> "$FISH_CONFIG" <<'EOF'

# Hermes Agent
alias h='hermes'
alias hchat='hermes chat'
alias hgit='hermes git'
alias hd='hermes docker'
EOF
    echo "Fish aliasy pridany"
fi

echo
echo "Hotovo! Nastav API klic:"
echo "   security add-generic-password -s hermes:api -a user -w <klic> -U"
echo "   hermes config set api-key <klic>"