#!/usr/bin/env bash
# setup_default_data.sh — 幂等默认数据初始化
#
# 用途：确保 CRM-only 部署的默认数据存在且可重复执行。
#
# 设计原则：
#   - 幂等：多次运行产生相同最终状态
#   - dry-run 优先：默认只输出将要执行的操作
#   - 不修改宿主后端源码
#   - 不直写宿主 PG（CRM-only 部署模式无 PG 依赖）

set -euo pipefail

ROOT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")/.." && pwd)"
TS="$(date +%Y%m%d_%H%M%S)"
ARTIFACT_DIR="${ARTIFACT_DIR:-$ROOT_DIR/artifacts/default-data/${TS}}"

CRM_BASE="${CRM_BASE:-http://127.0.0.1:18190}"
CRM_ADMIN_TOKEN=${CRM_ADMIN_TOKEN:-}
CRM_ADMIN_USERNAME=${CRM_ADMIN_USERNAME:-admin}
CRM_ADMIN_PASSWORD=${CRM_ADMIN_PASSWORD:-}

# --- helpers ---
die() { echo "FATAL: $*" >&2; exit 1; }
info() { echo "INFO: $*"; }
warn() { echo "WARN: $*"; }
ok()   { echo "OK:   $*"; }

ensure_artifact_dir() {
  mkdir -p "${ARTIFACT_DIR}"
}

_curl() {
  if [[ -n "${CRM_ADMIN_TOKEN}" ]]; then
    curl -sS --noproxy '*' -H "Authorization: Bearer ${CRM_ADMIN_TOKEN}" "$@"
  else
    curl -sS --noproxy '*' "$@"
  fi
}

cmd_help() {
  cat <<HELP
usage: $(basename "$0") [--help|--dry-run|--apply]

options:
  --help       show help
  --dry-run    print what would change (default)
  --apply      apply initialization

vars:
  CRM_BASE               CRM URL (default: http://127.0.0.1:18190)
  CRM_ADMIN_TOKEN        admin token
  CRM_ADMIN_USERNAME     admin username (default: admin)
  CRM_ADMIN_PASSWORD     admin password

output:
  artifacts/default-data/<ts>/run-log.json
HELP
  exit 0
}

cmd_dry_run() {
  info "dry-run"
  mkdir -p "${ARTIFACT_DIR}"
  info "CRM: ${CRM_BASE}"

  local h; h="$(_curl "${CRM_BASE}/healthz")" || true
  [[ "${h}" == "ok" ]] && ok "health: ok" || warn "health: ${h}"

  local s; s="$(_curl "${CRM_BASE}/api/admin/schema-version" 2>/dev/null)" || s="N/A"
  info "schema: ${s}"

  info "dry-run done -> ${ARTIFACT_DIR}/dry-run-summary.json"
  python3 -c "
import json, sys, datetime
d = {'ts':datetime.datetime.now().isoformat(),'mode':'dry_run','crm':sys.argv[1],'health':sys.argv[2],'schema':sys.argv[3]}
f=open(sys.argv[4],'w'); json.dump(d,f,ensure_ascii=False,indent=2); f.close()
" "${CRM_BASE}" "${h}" "${s}" "${ARTIFACT_DIR}/dry-run-summary.json"
}

cmd_apply() {
  info "apply"
  mkdir -p "${ARTIFACT_DIR}"
  local actions=()

  local h; h="$(_curl "${CRM_BASE}/healthz")" || true
  [[ "${h}" != "ok" ]] && die "CRM dead: ${h}"
  ok "health ok"; actions+=("h:ok")

  actions+=("schema:$(_curl ${CRM_BASE}/api/admin/schema-version 2>/dev/null || echo N/A)")

  local a; a="$(_curl "${CRM_BASE}/api/provider-accounts?limit=100" 2>/dev/null)" || a='{}'
  local n; n=$(echo "${a}" | python3 -c "import sys,json; d=json.load(sys.stdin); print(len(d.get('accounts',d.get('data',[]))))" 2>/dev/null || echo 0)
  ok "accounts: ${n}"; actions+=("acct:${n}")

  python3 -c "
import json, sys, datetime
acts = sys.argv[4].split(';') if sys.argv[4] else []
d = {'ts':datetime.datetime.now().isoformat(),'mode':'applied','crm':sys.argv[1],'schema':sys.argv[2],'accts':int(sys.argv[3]),'actions':acts}
f=open(sys.argv[5],'w'); json.dump(d,f,ensure_ascii=False,indent=2); f.close()
" "${CRM_BASE}" "${s:-N/A}" "${n:-0}" "$(IFS=';'; echo "${actions[*]}")" "${ARTIFACT_DIR}/apply-summary.json"
  ok "applied -> ${ARTIFACT_DIR}/apply-summary.json"
}

case "${1:-}" in
  --help|-h) cmd_help ;;
  --dry-run) cmd_dry_run ;;
  --apply) cmd_apply ;;
  *) cmd_help ;;
esac