import { RequestWork } from 'src/stores/request-list';
import { formatNumberDecimal } from 'src/stores/utils';

const templates = {
  'quotation-labor': {
    converter: (context?: { name: string[] }) => {
      return context?.name.join('<br />') || '';
    },
  },
  'quotation-payment': {
    converter: (context?: {
      paymentType:
        | 'Full'
        | 'Split'
        | 'SplitCustom'
        | 'BillFull'
        | 'BillSplit'
        | 'BillSplitCustom';

      amount?: number;
      installments?: {
        no: number;
        amount: number;
      }[];
    }) => {
      if (context?.paymentType === 'Full') {
        return [
          '**** เงื่อนไขเพิ่มเติม',
          '- เงื่อนไขการชำระเงิน แบบเต็มจำนวน',
          `&nbsp; จำนวน ${formatNumberDecimal(context?.amount || 0, 2)}`,
        ].join('<br/>');
      } else {
        return [
          '**** เงื่อนไขเพิ่มเติม',
          `- เงื่อนไขการชำระเงิน แบบแบ่งจ่าย${context?.paymentType === 'SplitCustom' ? ' กำหนดเอง ' : ' '}${context?.installments?.length} งวด`,
          ...(context?.installments?.map(
            (v) =>
              `&nbsp; งวดที่ ${v.no} จำนวน ${formatNumberDecimal(v.amount, 2)}`,
          ) || []),
        ].join('<br />');
      }
    },
  },

  'order-detail': {
    converter: (context?: {
      items: {
        product: RequestWork['productService']['product'];
        list: RequestWork[];
      }[];
      itemsDiscount?: {
        productId: string;
        discount?: number;
      }[];
    }) => {
      return context?.items.flatMap((item) => {
        const price = formatNumberDecimal(
          item.product.serviceCharge -
            (context.itemsDiscount?.find((v) => v.productId === item.product.id)
              ?.discount || 0),
        );

        const list = item.list.map((v, i) => {
          const employee = v.request.employee;
          const branch = v.request.quotation.customerBranch;
          return (
            `${i + 1}. ` +
            `${employee.namePrefix}. ${employee.firstNameEN} ${employee.lastNameEN} `.toUpperCase() +
            `(${branch.customer.customerType === 'PERS' ? `นายจ้าง ${branch.namePrefix}. ${branch.firstNameEN} ${branch.lastNameEN} `.toUpperCase() : branch.registerName})`
          );
        });
        return [`- ${item.product.name} ราคา ${price} บาท`, '', ...list].join(
          '<br />',
        );
      });
    },
  },
} as const;

type Template = typeof templates;
type TemplateName = keyof Template;
type TemplateContext = {
  [key in TemplateName]?: Parameters<Template[key]['converter']>[0];
};

export function convertTemplate(
  text: string,
  context?: TemplateContext,
  templateUse?: TemplateName[],
) {
  let ret = text;

  for (const [name, template] of Object.entries(templates)) {
    if (templateUse && !templateUse.includes(name as TemplateName)) continue;
    ret = ret.replace(
      new RegExp('\\#\\[' + name.replaceAll('-', '\\-') + '\\]', 'g'),
      typeof template.converter === 'function'
        ? template.converter(context?.[name as TemplateName] as any)
        : template.converter,
    );
    // console.log(ret);
  }

  return ret;
}