dev

#!/usr/bin/env bash

USAGE="Usage: dev [-p <path>]"
EDITOR_CMD="${EDITOR:-nvim}"

show_help() {
  echo "$USAGE"
  echo ""
  echo "  -p <path>   Path to working directory (default: current directory)"
  echo "  -h          Show this help message"
  exit 0
}

while getopts "p:h" opt; do
  case $opt in
    p) PROJECT_PATH="$OPTARG" ;;
    h) show_help ;;
    *) echo "$USAGE" >&2; exit 1 ;;
  esac
done

PROJECT_PATH="${PROJECT_PATH:-.}"

if [ ! -d "$PROJECT_PATH" ]; then
  echo "Error: '$PROJECT_PATH' is not a valid directory" >&2
  exit 1
fi

PROJECT_PATH="$(cd "$PROJECT_PATH" && pwd)"
SESSION_NAME="dev-$(basename "$PROJECT_PATH")"

if [ -n "$TMUX" ]; then
  echo "Error: already inside a tmux session. Detach first or run from outside tmux." >&2
  exit 1
fi

tmux kill-session -t "$SESSION_NAME" 2>/dev/null

# Window 1: EDITOR
tmux new-session -d -s "$SESSION_NAME" -c "$PROJECT_PATH" -n "editor"
tmux send-keys -t "$SESSION_NAME:editor" "$EDITOR_CMD" Enter

# Window 2: AI Workflow
tmux new-window -t "$SESSION_NAME" -n "pi" -c "$PROJECT_PATH"
tmux send-keys -t "$SESSION_NAME:pi" 'pi' Enter
tmux split-window -h -t "$SESSION_NAME:pi" -c "$PROJECT_PATH"
tmux send-keys -t "$SESSION_NAME:pi" 'pi' Enter

# Window 3: Scripts / Git / Extra Terminal Panes
tmux new-window -t "$SESSION_NAME" -n "extra" -c "$PROJECT_PATH"
tmux split-window -h -t "$SESSION_NAME:extra" -c "$PROJECT_PATH"
tmux select-pane -t "$SESSION_NAME:extra.1"
tmux split-window -v -t "$SESSION_NAME:extra" -c "$PROJECT_PATH"
tmux select-pane -t "$SESSION_NAME:extra.0"

tmux select-window -t "$SESSION_NAME:editor"
tmux attach -t "$SESSION_NAME"