#!/bin/bash
# curl -sL "https://vim.chan15.info/download/get_shell_tools.sh" | bash

yellow='\033[1;33m'
no_color='\033[0m' # No Color

if [[ "$(uname -s)" != "Darwin" ]]; then
    echo "This script only supports macOS."
    exit 1
fi

if ! command -v brew >/dev/null 2>&1; then
    echo "Homebrew is required. Install it from https://brew.sh, then run this script again."
    exit 1
fi

echo "Installing zsh-autosuggestions zsh-syntax-highlighting fzf zoxide bat jq..."
brew install zsh-autosuggestions zsh-syntax-highlighting fzf zoxide bat jq

zshrc="$HOME/.zshrc"
[[ -f "$zshrc" ]] || touch "$zshrc"

added=0

append_if_missing() {
    local line="$1"
    if ! grep -Fqx "$line" "$zshrc" 2>/dev/null; then
        echo -e "\n$line" >> "$zshrc"
        added=1
    fi
}

# gray-text history suggestions
append_if_missing 'source "$(brew --prefix)/share/zsh-autosuggestions/zsh-autosuggestions.zsh"'

# fuzzy finder shell integration (Ctrl-R history, Ctrl-T file search, etc.)
append_if_missing 'eval "$(fzf --zsh)"'

# smart cd
append_if_missing 'eval "$(zoxide init zsh)"'

# command/argument syntax highlighting must be sourced last
append_if_missing 'source "$(brew --prefix)/share/zsh-syntax-highlighting/zsh-syntax-highlighting.zsh"'

if [[ "$added" -eq 1 ]]; then
    echo -e "${yellow}Updated $zshrc. Please run 'source $zshrc' or restart your terminal to activate it.${no_color}"
else
    echo -e "${yellow}$zshrc already configured, nothing to add.${no_color}"
fi

echo -e "${yellow}Shell tools installed and configured.${no_color}"