#!/usr/bin/env bash
# commands/init.command.sh
#
# Initializes the project for a given environment.
# Brings the stack to a runnable state: containers up, vendors installed,
# proxy started, framework initialized and configured.
#
# Usage:
#   dx init [env] [flags]
#
# Flags:
#   --skip-vendors            Skip composer install
#   --skip-framework-init     Skip framework init
#   --skip-framework-config   Skip framework config generation
#   --debug                   Enable shell trace
#

# ============================================
# Public entrypoint
# ============================================

function cmd::init::on_load() {
  flag::register \
    --skip-vendors \
    --skip-framework-init \
    --skip-framework-config \
    --skip-proxy \
    --debug
}

function cmd::init::run() {
  local env=""
  local flags=()

  for arg in "$@"; do
    case "$arg" in
      --*) flags+=("$arg") ;;
      *)   [[ -z "$env" ]] && env="$arg" ;;
    esac
  done

  if [[ ${#flags[@]} -gt 0 ]]; then
    if ! flag::parse "${flags[@]}"; then
      cmd::init::help
      return 1
    fi
  fi

  env="${env:-${ENVIRONMENT:-dev}}"

  local framework_env
  framework_env="$(app::resolve_env "$env")"

  log::env "Initializing environment: ${env} (${framework_env})..."

  # ============================================
  # Docker
  # ============================================

  docker::compose::up -d >/dev/null

  # ============================================
  # Vendors
  # ============================================

  if ! flag::enabled --skip-vendors; then
    app::install_vendors
  else
    log::fs_warning "$(app::vendor_skip_message)"
  fi

  # ============================================
  # Proxy
  # ============================================

  if ! flag::enabled --skip-proxy; then
  log::run_step network info "Starting proxy..." \
    proxy::start
  else
    log::network_warning "Skipping Proxy initialization... (--skip-proxy)"
  fi

  # ============================================
  # Framework
  # ============================================

  if ! flag::enabled --skip-framework-init; then
    app::init "$env"
  else
    log::env_warning "$(app::init_skip_message)"
  fi

  if ! flag::enabled --skip-framework-config; then
    app::config
  else
    log::env_warning "$(app::config_skip_message)"
  fi

  # ============================================
  # Done
  # ============================================

  log::env_success "Environment '${env}' is ready!"

  flag::scaffold_defaults_file
  cmd::init::_hint_post_init
}

# ============================================
# Help
# ============================================

function cmd::init::help() {
  cat <<EOF
Usage: dx init [env] [flags]

Brings the project to a runnable state for the given environment.

Arguments:
  env    dev | qly | prd  (default: dev)

Flags:
  --skip-vendors            Skip vendor install
  --skip-framework-init     Skip framework init
  --skip-framework-config   Skip framework config generation
  --debug                   Shell trace

EOF

  app::post_init_hint

  cat <<EOF

Examples:
  dx init
  dx init qly
  dx init --skip-vendors
  dx init qly --skip-framework-init --skip-framework-config
EOF
}

# ============================================
# Private
# ============================================

function cmd::init::_hint_post_init() {
  echo ""
  app::post_init_hint;
  echo ""
}