#!/usr/bin/env bash

# Safety settings
set -o errexit  # Exit on error
set -o errtrace # Exit on error inside functions
set -o nounset  # Error on undefined variables
set -o pipefail # Error if any command in a pipe fails

# Constants
readonly SCRIPT_NAME="$(basename "$0")"
readonly WORK_DIR="$(dirname "$(realpath "$0")")"
readonly REQUIRED_NODE_VERSION="20.19.0"  # Minimum required version

# Functions
log() {
  echo "$(date '+%Y-%m-%d %H:%M:%S') - $*"
}

error() {
  echo "ERROR: $*" >&2
}

validate_node_version() {
  local current_version
  current_version=$(node -v | cut -d 'v' -f 2)
  
  # Use sort -V for version comparison
  if [[ "$(printf '%s\n' "$REQUIRED_NODE_VERSION" "$current_version" | sort -V | head -n1)" != "$REQUIRED_NODE_VERSION" ]]; then
    # If the first entry is not the required version, it means current < required
    error "Node.js version too old. Minimum required: $REQUIRED_NODE_VERSION, Found: $current_version"
    exit 1
  fi
  
  log "Node.js version check passed. Required: $REQUIRED_NODE_VERSION+, Found: $current_version"
}

validate_dependencies() {
  local missing_deps=()

  # Check core dependencies
  for cmd in npx docker npm node git; do
    if ! command -v "$cmd" >/dev/null; then
      missing_deps+=("$cmd")
    fi
  done

  # Check for biome in node_modules
  if [[ ! -f "node_modules/@biomejs/biome/bin/biome" ]]; then
    missing_deps+=("biome.js")
  fi

  # Check for husky hooks
  if [[ ! -f ".husky/pre-commit" ]]; then
    missing_deps+=("husky pre-commit hook")
  fi

  if [[ ${#missing_deps[@]} -ne 0 ]]; then
    error "Missing dependencies: ${missing_deps[*]}"
    exit 1
  fi
}

# Main script logic
log "Resetting finance development environment..."

cd "$WORK_DIR" || {
  error "Failed to change directory to $WORK_DIR"
  exit 1
}

validate_dependencies
validate_node_version

if ! npx prisma migrate reset --force; then
  error "Prisma migration reset failed"
  exit 1
fi

docker compose down || {
  error "Failed to take down Docker containers"
  exit 1
}

# Clean up generated files and dependencies
log "Cleaning up generated files and dependencies..."
rm -f package-lock.json
[[ -d dist ]] && rm -rf dist || true
[[ -d node_modules ]] && rm -rf node_modules || true
[[ -d .prisma ]] && rm -rf .prisma || true  # Clean Prisma generated files
[[ -f prisma/migrations/migration_lock.toml ]] && rm -f prisma/migrations/migration_lock.toml || true

npm install || {
  error "Failed to install npm dependencies"
  exit 1
}

# Verify Husky hooks are installed
npm run prepare || {
  error "Failed to install Husky hooks"
  exit 1
}

npm run build || {
  error "Failed to build the project"
  exit 1
}

docker compose -f docker-compose.yml up -d || {
  error "Failed to bring up Docker containers"
  exit 1
}

log "Environment reset complete."