#!/usr/bin/env bash
# bms-templates.sh — Kaseya BMS template lookups (tickets, notes, timelogs)

set -euo pipefail

SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
BMS_API_BASE="${BMS_API_BASE:-https://api.bms.kaseya.com}"

# ─── Helpers ─────────────────────────────────────────────────────────────────

die() { echo "ERROR: $*" >&2; exit 1; }

get_token() {
  bash "${SCRIPT_DIR}/bms-auth.sh" get-token
}

bms_curl() {
  local method="$1"; shift
  local path="$1"; shift
  local token
  token=$(get_token)
  curl -sf -X "$method" \
    "${BMS_API_BASE}${path}" \
    -H "Authorization: Bearer ${token}" \
    -H "Accept: application/json" \
    -H "Content-Type: application/json" \
    "$@"
}

# ─── Formatters ──────────────────────────────────────────────────────────────

format_template_list() {
  jq -r '
    (.Data // .Items // .) |
    if type == "array" then .[] else . end |
    [
      (.Id         // "-"),
      (.Name       // "(unnamed)"),
      ("Q:" + ((.QueueId       // "-") | tostring)),
      ("Pri:" + ((.PriorityId  // "-") | tostring)),
      ("Type:" + ((.IssueTypeId // .TypeId // "-") | tostring))
    ] | @tsv
  ' | sort -n | column -t -s $'\t'
}

format_simple_lookup() {
  # Generic: Id + Name for note/timelog templates
  jq -r '
    (.Data // .Items // .) |
    if type == "array" then .[] else . end |
    "\(.Id // "-")\t\(.Name // .Text // "(unnamed)")"
  ' | sort -n | column -t -s $'\t'
}

# ─── Templates: Tickets ───────────────────────────────────────────────────────

cmd_templates_tickets_list() {
  local format="table"
  while [[ $# -gt 0 ]]; do
    case "$1" in
      --format|-f) format="$2"; shift 2 ;;
      *) die "Unknown option: $1" ;;
    esac
  done

  echo "=== Ticket Templates ===" >&2
  local response
  response=$(bms_curl GET "/v2/servicedesk/templates/tickets/lookup")

  if [[ "$format" == "json" ]]; then
    echo "$response" | jq .
  else
    echo "$response" | format_template_list
  fi
}

cmd_templates_tickets_get() {
  local template_id="${1:-}"
  [[ -n "$template_id" ]] || die "Usage: bms templates tickets get <templateId>"

  bms_curl GET "/v2/servicedesk/templates/tickets/${template_id}" | jq .
}

# ─── Templates: Notes ────────────────────────────────────────────────────────

cmd_templates_notes_list() {
  local format="table"
  while [[ $# -gt 0 ]]; do
    case "$1" in
      --format|-f) format="$2"; shift 2 ;;
      *) die "Unknown option: $1" ;;
    esac
  done

  echo "=== Note Templates ===" >&2
  local response
  response=$(bms_curl GET "/v2/servicedesk/templates/notes/lookup")

  if [[ "$format" == "json" ]]; then
    echo "$response" | jq .
  else
    echo "$response" | format_simple_lookup
  fi
}

# ─── Templates: Timelogs ─────────────────────────────────────────────────────

cmd_templates_timelogs_list() {
  local format="table"
  while [[ $# -gt 0 ]]; do
    case "$1" in
      --format|-f) format="$2"; shift 2 ;;
      *) die "Unknown option: $1" ;;
    esac
  done

  echo "=== Timelog Templates ===" >&2
  local response
  response=$(bms_curl GET "/v2/servicedesk/templates/timelogs/lookup")

  if [[ "$format" == "json" ]]; then
    echo "$response" | jq .
  else
    echo "$response" | format_simple_lookup
  fi
}

# ─── Dispatch ────────────────────────────────────────────────────────────────

usage_templates() {
  cat >&2 <<'EOF'
Usage: bms templates <resource> <subcommand> [options]

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

Options:
  --format json             Output raw JSON instead of table

Examples:
  bms templates tickets list
  bms templates tickets get 42
  bms templates notes list
  bms templates timelogs list
EOF
  exit 1
}

resource="${1:-}"
[[ -n "$resource" ]] || usage_templates
shift

case "$resource" in
  tickets|ticket)
    subcmd="${1:-list}"
    [[ $# -gt 0 ]] && shift
    case "$subcmd" in
      list) cmd_templates_tickets_list "$@" ;;
      get)  cmd_templates_tickets_get "$@" ;;
      *)    die "Unknown tickets template subcommand: $subcmd (available: list, get)" ;;
    esac
    ;;
  notes|note)
    subcmd="${1:-list}"
    [[ $# -gt 0 ]] && shift
    case "$subcmd" in
      list) cmd_templates_notes_list "$@" ;;
      *)    die "Unknown notes template subcommand: $subcmd (available: list)" ;;
    esac
    ;;
  timelogs|timelog)
    subcmd="${1:-list}"
    [[ $# -gt 0 ]] && shift
    case "$subcmd" in
      list) cmd_templates_timelogs_list "$@" ;;
      *)    die "Unknown timelogs template subcommand: $subcmd (available: list)" ;;
    esac
    ;;
  *)
    die "Unknown template resource: $resource (available: tickets, notes, timelogs)"
    ;;
esac