#!/bin/bash
#
# Installs config files from this repo by creating symlinks.
# On first run, backs up originals to ~/.orig-config.
#

REPO_DIR="$HOME/jbashrc"

# The list of config files: "repo-relative-path:absolute-target"
FILES=(
    "bash/dot-bashrc:$HOME/.bashrc"
    "bash/dot-profile:$HOME/.profile"
    "claude/CLAUDE.md:$HOME/.claude/CLAUDE.md"
    "claude/settings.json:$HOME/.claude/settings.json"
    "emacs/dot-emacs:$HOME/.emacs"
    "git/dot-gitconfig:$HOME/.gitconfig"
    "vscode/chatLanguageModels.json:$HOME/.config/Code/User/chatLanguageModels.json"
    "vscode/keybindings.json:$HOME/.config/Code/User/keybindings.json"
    "vscode/settings.json:$HOME/.config/Code/User/settings.json"
)

# Back up originals that haven't been backed up yet.
mkdir -p "$HOME/.orig-config"
for entry in "${FILES[@]}"; do
    src_rel="${entry%%:*}"
    target="${entry#*:}"
    backup="$HOME/.orig-config/$src_rel"
    if [ ! -e "$backup" ] && [ -e "$target" ] && [ ! -L "$target" ]; then
        mkdir -p "$(dirname "$backup")"
        cp "$target" "$backup"
        echo "Backed up $target"
    fi
done

# Create symlinks.
for entry in "${FILES[@]}"; do
    src="$REPO_DIR/${entry%%:*}"
    target="${entry#*:}"
    mkdir -p "$(dirname "$target")"
    ln -sf "$src" "$target"
    echo "Linked $target -> $src"
done