setup

#!/bin/bash

echo "Linking git configs..."
ln -sf $PWD/git/.gitconfig ~/
ln -sf $PWD/git/.gitignore ~/
echo "...done"

echo "Linking Claude config..."
mkdir -p ~/.claude
ln -sf $PWD/CLAUDE.md ~/.claude/CLAUDE.md
echo "...done"

echo "Linking tmux config..."
ln -sf $PWD/tmux/.tmux.conf ~/
echo "...done"


# 1. Force Bash to allow aliases inside this script environment
if [ -n "$BASH_VERSION" ]; then
    shopt -s expand_aliases
    export PS1='$ ' # Tricks .bashrc into bypassing its non-interactive guard
fi

DATA_FILE="aliases.txt"

# Verify the data file exists
if [ ! -f "$DATA_FILE" ]; then
    echo "Error: $DATA_FILE not found!"
    return 1 2>/dev/null || exit 1
fi

# Detect the active shell
USER_SHELL=$(basename "$SHELL")

case "$USER_SHELL" in
    bash) TARGET_FILE="$HOME/.bashrc" ;;
    zsh)  TARGET_FILE="$HOME/.zshrc" ;;
    fish) TARGET_FILE="$HOME/.config/fish/config.fish"; mkdir -p "$(dirname "$TARGET_FILE")" ;;
    *) echo "Unsupported shell: $USER_SHELL"; return 1 2>/dev/null || exit 1 ;;
esac

echo "Reading shortcuts from $DATA_FILE and updating $TARGET_FILE..."

# Read file line by line
while IFS='=' read -r NAME CMD || [ -n "$NAME" ]; do
    [[ -z "$NAME" || "$NAME" =~ ^[[:space:]]*# ]] && continue
    
    NAME=$(echo "$NAME" | xargs)
    CMD=$(echo "$CMD" | xargs)

    if [ "$USER_SHELL" = "fish" ]; then
        LINE_TO_ADD="alias $NAME '$CMD'"
    else
        LINE_TO_ADD="alias $NAME='$CMD'"
    fi

    if grep -qF "$LINE_TO_ADD" "$TARGET_FILE" 2>/dev/null; then
        echo "  [Skipped] '$NAME' already exists."
    else
        echo "$LINE_TO_ADD" >> "$TARGET_FILE"
        echo "  [Added] '$NAME'."
    fi
done < "$DATA_FILE"

# 2. Instant reload logic tailored to shell behavior
echo "Reloading environment..."
if [ "$USER_SHELL" = "fish" ]; then
    source "$TARGET_FILE"
else
    # Sourcing directly into the active layer
    . "$TARGET_FILE"
fi

echo "All aliases from $DATA_FILE are now live!"