#!/usr/bin/env bash
# WTM Migrate - Schema migration management
set -euo pipefail
source "${HOME}/.wtm/lib/common.sh"
source "${HOME}/.wtm/lib/migrate.sh"

case "${1:-status}" in
  status|"")
    echo ""
    echo "  Schema Versions:"
    echo "  ─────────────────────────────"
    echo "  sessions.json:  v$(get_schema_version "${WTM_SESSIONS}") (target: v${WTM_CURRENT_SESSIONS_VERSION})"
    echo "  projects.json:  v$(get_schema_version "${WTM_PROJECTS}") (target: v${WTM_CURRENT_PROJECTS_VERSION})"
    s_ver=$(get_schema_version "${WTM_SESSIONS}")
    p_ver=$(get_schema_version "${WTM_PROJECTS}")
    if [[ ${s_ver} -lt ${WTM_CURRENT_SESSIONS_VERSION} ]] || [[ ${p_ver} -lt ${WTM_CURRENT_PROJECTS_VERSION} ]]; then
      echo ""
      echo "  Migrations pending. Run: wtm migrate run"
    else
      echo ""
      echo "  All schemas up to date."
    fi
    echo ""
    ;;
  run)
    log_info "Running pending migrations..."
    ensure_all_schemas
    log_ok "All migrations complete."
    ;;
  help|--help|-h)
    cat <<EOF
Usage:
  wtm migrate           Show current schema versions
  wtm migrate run       Run pending migrations
EOF
    ;;
  *)
    log_error "Unknown migrate command: $1"
    exit 1
    ;;
esac