import { computed, ref } from 'vue';
import { FormSchema } from '@/components/Form';
import { defRangeShortcuts } from '@/utils/dateUtil';
import { useDictStore } from '@/store/modules/dict';
import { List as TenantList } from '@/api/imTenant';

const dict = useDictStore();

export const tenantOptions = ref<any[]>([]);

export class State {
  public id = '';
  public tenantId = '';
  public tenantName = '';
  public batchId = '';
  public code = '';
  public status = '';
  public expiresAt = '';
  public maxUses = 0;
  public usageCount = 0;
  public boundUserId = '';
  public boundUserLabel = '';
  public lastUsedAt = '';
  public createdBy = '';
  public remark = '';
  public createdAt = '';
}

export const statusOptions = [
  { label: '有效', value: 'active', type: 'success' },
  { label: '已过期', value: 'expired', type: 'warning' },
  { label: '已撤销', value: 'revoked', type: 'error' },
];

export const schemas = ref<FormSchema[]>([
  {
    field: 'tenantId',
    component: 'NSelect',
    label: '商户',
    componentProps: {
      clearable: true,
      options: computed(() => tenantOptions.value),
      placeholder: '请选择商户',
    },
  },
  {
    field: 'inviteCode',
    component: 'NInput',
    label: '邀请码',
    componentProps: {
      placeholder: '完整5位，区分大小写',
      maxlength: 5,
    },
  },
  {
    field: 'status',
    component: 'NSelect',
    label: '状态',
    componentProps: {
      clearable: true,
      options: statusOptions,
      placeholder: '请选择状态',
    },
  },
  {
    field: 'createdBy',
    component: 'NInput',
    label: '创建人',
    componentProps: {
      placeholder: '请输入创建人ID',
    },
  },
  {
    field: 'createdAt',
    component: 'NDatePicker',
    label: '创建时间',
    componentProps: {
      type: 'datetimerange',
      clearable: true,
      shortcuts: defRangeShortcuts(),
    },
  },
  {
    field: 'expiresAt',
    component: 'NDatePicker',
    label: '到期时间',
    componentProps: {
      type: 'datetimerange',
      clearable: true,
      shortcuts: defRangeShortcuts(),
    },
  },
]);

export const columns = [
  { title: 'ID', key: 'id', align: 'left', width: 150 },
  { title: '商户', key: 'tenantName', align: 'left', width: 160 },
  { title: '邀请码', key: 'code', align: 'left', width: 120 },
  { title: '状态', key: 'status', align: 'left', width: 110 },
  { title: '到期时间', key: 'expiresAt', align: 'left', width: 190 },
  { title: '累计使用次数', key: 'usageCount', align: 'left', width: 130 },
  {
    title: '可用次数',
    key: 'availableUses',
    align: 'left',
    width: 110,
    render(row: State) {
      return inviteAvailableUsesLabel(row);
    },
  },
  {
    title: '绑定用户',
    key: 'boundUserLabel',
    align: 'left',
    width: 180,
    render(row: State) {
      return row.boundUserLabel || row.boundUserId || '--';
    },
  },
  { title: '最后使用时间', key: 'lastUsedAt', align: 'left', width: 190 },
  { title: '创建人', key: 'createdBy', align: 'left', width: 110 },
  { title: '创建时间', key: 'createdAt', align: 'left', width: 190 },
  { title: '备注', key: 'remark', align: 'left', width: 220 },
];

export function loadOptions() {
  dict.loadOptions(['sys_switch']);
}

export async function loadTenantOptions() {
  const res = await TenantList({ page: 1, perPage: 20, state: 1 });
  tenantOptions.value = (res?.list || []).map((item) => ({
    label: `${item.name}（${item.code}）`,
    value: item.id,
  }));
  return tenantOptions.value;
}

export function statusLabel(status: string) {
  return statusOptions.find((item) => item.value === status)?.label || status;
}

export function inviteAvailableUsesLabel(row: State) {
  if (!row.maxUses || Number(row.maxUses) <= 0) {
    return '不限制';
  }
  return `${Math.max(Number(row.maxUses) - Number(row.usageCount || 0), 0)}`;
}

export function localRfc3339(value: number | null) {
  if (!value) {
    return '';
  }
  const date = new Date(value);
  const pad = (n: number) => `${n}`.padStart(2, '0');
  const offset = -date.getTimezoneOffset();
  const sign = offset >= 0 ? '+' : '-';
  const hours = pad(Math.floor(Math.abs(offset) / 60));
  const minutes = pad(Math.abs(offset) % 60);
  return `${date.getFullYear()}-${pad(date.getMonth() + 1)}-${pad(date.getDate())}T${pad(
    date.getHours()
  )}:${pad(date.getMinutes())}:${pad(date.getSeconds())}${sign}${hours}:${minutes}`;
}