#!/usr/bin/env zsh

SESSION_NAME="crussell-dev"

# --- Load root .env into environment ---
set -a
source .env
set +a
echo "✅ Loaded environment from .env"

# --- Check if Docker is running, auto-start if necessary ---
if ! docker info > /dev/null 2>&1; then
  echo "🐳 Docker daemon is not running. Attempting to start it..."
  sudo systemctl start docker
  sleep 2
  if ! docker info > /dev/null 2>&1; then
    echo "❌ Failed to start Docker. Exiting."
    exit 1
  fi
  echo "✅ Docker started successfully."
fi

# --- Reset PostgreSQL ---
echo "🗑️  Resetting PostgreSQL container..."
docker compose down -v postgres
docker compose up postgres -d

echo "⏳ Waiting 5 seconds for DB init..."
sleep 5

# --- Kill existing tmux session (optional clean start) ---
tmux has-session -t $SESSION_NAME 2>/dev/null
if [ $? -eq 0 ]; then
  echo "⚠️  Existing tmux session detected — killing it..."
  tmux kill-session -t $SESSION_NAME
fi

# --- Start new tmux session ---
echo "🎛️  Starting tmux session: $SESSION_NAME"
tmux new-session -d -s $SESSION_NAME -n DB

# Pane 1: DB (already named `DB` via -n)
tmux send-keys -t $SESSION_NAME "docker exec -it postgres psql -U myuser -d mydb -c \"\\dt\"" C-m

# Split for Frontend
tmux split-window -h -t $SESSION_NAME
tmux select-pane -t $SESSION_NAME:0.1 -T "Frontend"
tmux send-keys -t $SESSION_NAME:0.1 "cd frontend && npm run dev -- --host" C-m

# Split for Backend
tmux split-window -h -t $SESSION_NAME
tmux select-pane -t $SESSION_NAME:0.2 -T "Backend"
tmux send-keys -t $SESSION_NAME:0.2 "cd backend && go run -tags dev ./main.go" C-m

# Balance layout
tmux select-layout -t $SESSION_NAME even-horizontal

# Ensure pane 0 is labeled correctly
tmux select-pane -t $SESSION_NAME:0.0 -T "DB"

# Focus the DB pane before attaching
tmux select-pane -t $SESSION_NAME:0.0

# Attach
tmux attach-session -t $SESSION_NAME