import { AppError, AppErrorCode } from '@documenso/lib/errors/app-error';
import { getEnvelopeWhereInput } from '@documenso/lib/server-only/envelope/get-envelope-by-id';
import { DOCUMENT_AUDIT_LOG_TYPE } from '@documenso/lib/types/document-audit-logs';
import { createDocumentAuditLogData } from '@documenso/lib/utils/document-audit-logs';
import { canEnvelopeItemsBeModified } from '@documenso/lib/utils/envelope';
import { prisma } from '@documenso/prisma';

import { authenticatedProcedure } from '../trpc';
import {
  ZDeleteEnvelopeItemRequestSchema,
  ZDeleteEnvelopeItemResponseSchema,
} from './delete-envelope-item.types';

export const deleteEnvelopeItemRoute = authenticatedProcedure
  .meta({
    openapi: {
      method: 'POST',
      path: '/envelope/item/delete',
      summary: 'Delete envelope item',
      description: 'Delete an envelope item from an envelope',
      tags: ['Envelope Item'],
    },
  })
  .input(ZDeleteEnvelopeItemRequestSchema)
  .output(ZDeleteEnvelopeItemResponseSchema)
  .mutation(async ({ input, ctx }) => {
    const { user, teamId, metadata } = ctx;
    const { envelopeId, envelopeItemId } = input;

    ctx.logger.info({
      input: {
        envelopeId,
        envelopeItemId,
      },
    });

    const { envelopeWhereInput } = await getEnvelopeWhereInput({
      id: {
        type: 'envelopeId',
        id: envelopeId,
      },
      type: null,
      userId: user.id,
      teamId,
    });

    const envelope = await prisma.envelope.findUnique({
      where: envelopeWhereInput,
      include: {
        recipients: true,
      },
    });

    if (!envelope) {
      throw new AppError(AppErrorCode.NOT_FOUND, {
        message: 'Envelope not found',
      });
    }

    if (!canEnvelopeItemsBeModified(envelope, envelope.recipients)) {
      throw new AppError(AppErrorCode.INVALID_REQUEST, {
        message: 'Envelope item is not editable',
      });
    }

    const result = await prisma.$transaction(async (tx) => {
      const deletedEnvelopeItem = await tx.envelopeItem.delete({
        where: {
          id: envelopeItemId,
          envelopeId: envelope.id,
        },
        select: {
          id: true,
          title: true,
          documentData: {
            select: {
              id: true,
            },
          },
        },
      });

      await tx.documentAuditLog.create({
        data: createDocumentAuditLogData({
          type: DOCUMENT_AUDIT_LOG_TYPE.ENVELOPE_ITEM_DELETED,
          envelopeId: envelope.id,
          data: {
            envelopeItemId: deletedEnvelopeItem.id,
            envelopeItemTitle: deletedEnvelopeItem.title,
          },
          user: {
            name: user.name,
            email: user.email,
          },
          requestMetadata: metadata.requestMetadata,
        }),
      });

      return deletedEnvelopeItem;
    });

    await prisma.documentData.delete({
      where: {
        id: result.documentData.id,
        envelopeItem: {
          is: null,
        },
      },
    });
  });