#!/usr/bin/env bash
# bms.sh — Kaseya BMS CLI entrypoint
# Usage: bms <command> [subcommand] [options]

set -euo pipefail

SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"

usage() {
  cat >&2 <<'EOF'
bms — Kaseya BMS CLI

Usage:
  bms auth [login|refresh|status]     Authenticate / manage tokens
  bms tickets <subcommand>            Manage tickets
  bms templates <resource> <sub>      Browse ticket/note/timelog templates
  bms lookup <table>                  Fetch lookup tables (IDs for statuses, etc.)

Tickets subcommands:
  list       List/search tickets
  get        Get a single ticket
  create     Create a new ticket (supports --template-id)
  update     Update ticket fields
  note       Add a note to a ticket
  assign     Reassign a ticket
  resolve    Resolve a ticket
  delete     Delete ticket(s)

Templates subcommands:
  tickets list              List all ticket templates
  tickets get <id>          Show full details for a ticket template
  notes list                List all note templates
  timelogs list             List all timelog templates

Lookup tables:
  statuses, priorities, queues, issue-types, sources, ticket-types,
  assignees, slas, work-types, note-types, all

Examples:
  bms auth
  bms tickets list --status "Open" --assignee "Jane Doe"
  bms tickets list --from 2024-01-01 --to 2024-01-31
  bms tickets get 12345
  bms tickets create --title "Server down" --details "..." --account-id 1 \
    --location-id 1 --status-id 1 --priority-id 2 --type-id 1 --source-id 1
  bms tickets create --template-id 7 --title "Override title" --account-id 99 --location-id 5
  bms tickets note 12345 --message "Called client" --internal
  bms tickets resolve 12345 --comment "Fixed by replacing NIC"
  bms templates tickets list
  bms templates tickets get 7
  bms templates notes list
  bms templates timelogs list
  bms lookup statuses
  bms lookup priorities

Environment variables (required):
  BMS_TENANT      Your BMS tenant name
  BMS_USERNAME    BMS username (or use BMS_CLIENT_ID)
  BMS_PASSWORD    BMS password (or use BMS_CLIENT_SECRET)

Optional:
  BMS_CLIENT_ID       OAuth2 client ID
  BMS_CLIENT_SECRET   OAuth2 client secret
  BMS_API_BASE        Override API base URL (default: https://api.bms.kaseya.com)
  BMS_TOKEN_FILE      Token cache path (default: ~/.bms_token.json)

EOF
  exit 1
}

cmd="${1:-}"
[[ -n "$cmd" ]] || usage
shift

case "$cmd" in
  auth)      exec bash "${SCRIPT_DIR}/bms-auth.sh" "$@" ;;
  tickets)   exec bash "${SCRIPT_DIR}/bms-tickets.sh" "$@" ;;
  templates) exec bash "${SCRIPT_DIR}/bms-templates.sh" "$@" ;;
  lookup)    exec bash "${SCRIPT_DIR}/bms-lookup.sh" "$@" ;;
  help|-h|--help) usage ;;
  *)
    echo "Unknown command: $cmd" >&2
    usage
    ;;
esac