Install

#!/bin/bash

export DOTDOT="${HOME}/bin/nix_conf"

safe_ln() {
    local src="$1"
    local dest="$2"

    if [[ ! -e "$src" ]]; then
        echo "Error: Source file does not exist: $src" >&2
        return 1
    fi

    if [[ -L "$dest" && "$(readlink "$dest")" == "$src" ]]; then
        return 0
    fi

    if [[ -e "$dest" && ! -L "$dest" ]]; then
        echo "Error: $dest exists and is not a symlink." >&2
        echo "Please resolve manually: move or delete $dest, then re-run Install" >&2
        return 1
    fi

    ln -sfn "$src" "$dest" || {
        echo "Error: Failed to create symlink: $dest -> $src" >&2
        return 1
    }
    return 0
}

mkdir -p ~/.gemini/antigravity-cli ~/.claude ~/.ssh ~/.config/kitty ~/.pip ~/.tmp ~/Library/Application\ Support/espanso

safe_ln "${DOTDOT}/bashrc" ~/.bashrc

if ! grep -q "\.bashrc" ~/.bash_profile 2>/dev/null; then
    echo ". ~/.bashrc" > ~/.bash_profile
fi

if [[ $- == *i* ]]; then
    source ~/.bashrc 2>/dev/null
fi

for rc in inputrc fdignore ctags pythonstartup ackrc editorconfig ideavimrc pdbrc virtualenv aider.conf.yml; do
    safe_ln "${DOTDOT}/$rc" ~/."$rc"
done

for rc in git/gitconfig git/gitk vim/vimrc vim/vim tmux/tmux.conf; do
    safe_ln "${DOTDOT}/$rc" ~/."$(basename "$rc")"
done

safe_ln "${DOTDOT}/ai/antigravity_settings.json" ~/.gemini/antigravity-cli/settings.json
safe_ln "${DOTDOT}/ai/antigravityignore" ~/.gemini/antigravity-cli/.antigravityignore
safe_ln "${DOTDOT}/ai/antigravityignore" ~/.gemini/antigravity-cli/.geminiignore
safe_ln "${DOTDOT}/ai/antigravityignore" ~/.gemini/.geminiignore

# Claude config is its own private repo
read -p "Do you want to clone/update private GitHub repositories (e.g., Claude config)? [y/N]: " clone_choice
if [[ "$clone_choice" =~ ^[Yy]$ ]]; then
    if [ ! -d "$HOME/.claude/.git" ]; then
        git clone https://github.com/edwelker/claude.git "$HOME/.claude"
    else
        git -C "$HOME/.claude" pull --ff-only 2>/dev/null || true
    fi
fi

if [ -f "$HOME/.claude/CLAUDE.md" ]; then
    safe_ln "$HOME/.claude/CLAUDE.md" ~/CLAUDE.md
fi

# Inject MCP config into ~/.claude.json (the file Claude Code manages)
if [ -f "$HOME/.claude/mcp-servers.json" ]; then
    if [ -f "$HOME/.claude.json" ]; then
        jq --slurpfile mcp "$HOME/.claude/mcp-servers.json" \
           '.users.mcpServers = $mcp[0]' "$HOME/.claude.json" > /tmp/claude.json.tmp \
           && mv /tmp/claude.json.tmp "$HOME/.claude.json"
    else
        echo '{"users":{"mcpServers":{}}}' | jq --slurpfile mcp "$HOME/.claude/mcp-servers.json" \
           '.users.mcpServers = $mcp[0]' > "$HOME/.claude.json"
    fi
fi
safe_ln "${DOTDOT}/ssh/config" ~/.ssh/config
safe_ln "${DOTDOT}/kitty.conf" ~/.config/kitty/kitty.conf
safe_ln "${DOTDOT}/pip.conf" ~/.pip/pip.conf
safe_ln "${DOTDOT}/.prettierrc.json" ~/.prettierrc.json
safe_ln "${DOTDOT}/espanso/config" ~/Library/Application\ Support/espanso/config
safe_ln "${DOTDOT}/espanso/match" ~/Library/Application\ Support/espanso/match

# Install or update Antigravity CLI
if ! command -v agy &> /dev/null; then
    echo "Installing Antigravity CLI..."
    curl -fsSL https://antigravity.google/cli/install.sh | bash
else
    echo "Antigravity CLI is already installed. Running update check..."
    agy update || true
fi

if [[ -d "${DOTDOT}/.git" ]]; then
    read -p "Do you want to update git submodules? [y/N]: " update_submodules
    if [[ "$update_submodules" =~ ^[Yy]$ ]]; then
        echo "Updating public submodules..."
        git -C "${DOTDOT}" submodule update --init \
            vim/vim/autoload/vim-plug \
            base16-iterm2 \
            syntax-highlighting \
            misc_submodules/fzf-git.sh 2>/dev/null || echo "Warning: Failed to update public submodules" >&2

        if [[ "$clone_choice" =~ ^[Yy]$ ]]; then
            echo "Updating private submodules..."
            git -C "${DOTDOT}" submodule update --init claude-config 2>/dev/null || echo "Warning: Failed to update private submodules" >&2
        fi
    fi
fi

# On ewelker* machines, ensure machine-local gitconfig override exists
if [[ "$(hostname)" == ewelker* ]]; then
    if [ ! -f "${DOTDOT}/git/gitconfig.rs" ]; then
        if [ -f "${DOTDOT}/git/gitconfig.rs.example" ]; then
            cp "${DOTDOT}/git/gitconfig.rs.example" "${DOTDOT}/git/gitconfig.rs"
            echo "Created git/gitconfig.rs from example — review and customize it."
        else
            echo "Note: on an ewelker* machine but git/gitconfig.rs is missing. Create it for machine-local git overrides."
        fi
    fi
fi

# app-configs/ contains application backup files (Picard, Thunderbird, Witch).
# These are archives for reference only — nothing in there gets symlinked.

echo "Installation complete!"