#!/usr/bin/env bash
set -euo pipefail

ROOT_DIR=/workspace
GIT_BRANCH="${GIT_BRANCH:-}"

# Checkout branch if specified
if [[ -n "$GIT_BRANCH" ]]; then
  cd "$ROOT_DIR"
  git config --global --add safe.directory "$ROOT_DIR" 2>/dev/null || true
  CURRENT=$(git rev-parse --abbrev-ref HEAD 2>/dev/null || echo "unknown")

  if [[ "$CURRENT" != "$GIT_BRANCH" ]]; then
    echo "[ponder-entrypoint] Switching to branch: $GIT_BRANCH"
    # Try local branch first, then remote
    if git rev-parse --verify "$GIT_BRANCH" >/dev/null 2>&1; then
      git checkout "$GIT_BRANCH" 2>/dev/null || echo "[ponder-entrypoint] WARNING: Could not checkout $GIT_BRANCH"
    else
      git fetch origin "$GIT_BRANCH" 2>/dev/null || true
      git checkout "$GIT_BRANCH" 2>/dev/null || echo "[ponder-entrypoint] WARNING: Could not checkout $GIT_BRANCH"
    fi
  fi
fi

CONTRACT_ENV=$ROOT_DIR/tmp/podman/contracts.env
PONDER_WORKDIR=$ROOT_DIR/services/ponder

while [[ ! -f "$CONTRACT_ENV" ]]; do
  echo "[ponder-entrypoint] waiting for contracts env"
  sleep 2
done

cd "$PONDER_WORKDIR"

# Wait for .env.local to be created by bootstrap
while [[ ! -f .env.local ]]; do
  echo "[ponder-entrypoint] waiting for .env.local"
  sleep 2
done

# Load contract deployment info
source "$CONTRACT_ENV"
START_BLOCK=$(grep START_BLOCK .env.local 2>/dev/null | cut -d= -f2 || echo "")
EXPECTED_SCHEMA="ponder_local_${START_BLOCK}"

# Check if schema changed (contract redeployment detected)
if [[ -n "$START_BLOCK" ]]; then
  CURRENT_SCHEMA=$(grep DATABASE_SCHEMA .env.local 2>/dev/null | cut -d= -f2 || echo "")

  if [[ -n "$CURRENT_SCHEMA" && "$CURRENT_SCHEMA" != "$EXPECTED_SCHEMA" ]]; then
    echo "[ponder-entrypoint] Contract redeployment detected (schema changed: $CURRENT_SCHEMA -> $EXPECTED_SCHEMA)"
    echo "[ponder-entrypoint] Resetting Ponder database..."

    export PGPASSWORD=ponder_local
    psql -h postgres -U ponder -d ponder_local -c \
      "DROP SCHEMA IF EXISTS \"$CURRENT_SCHEMA\" CASCADE;" 2>/dev/null || true

    echo "[ponder-entrypoint] Old schema dropped successfully"
  fi
fi

REQUIRED_DIST="$ROOT_DIR/kraiken-lib/dist/index.js"
if [[ ! -f "$REQUIRED_DIST" ]]; then
  echo "[ponder-entrypoint] ERROR: Run ./scripts/build-kraiken-lib.sh before starting containers" >&2
  exit 1
fi

echo "[ponder-entrypoint] Installing dependencies..."
npm install --no-save --loglevel error 2>&1 || {
  echo "[ponder-entrypoint] npm install failed, trying with --force"
  npm install --force --no-save --loglevel error
}

# Load and export all environment variables from .env.local
if [[ -f .env.local ]]; then
  echo "[ponder-entrypoint] Loading environment from .env.local"
  set -a
  source .env.local
  set +a
fi

export CHOKIDAR_USEPOLLING=${CHOKIDAR_USEPOLLING:-1}
export HOST=0.0.0.0
export PORT=${PORT:-42069}

exec npm run dev