import { apiPost } from "@/fd/fd-toolbox/api/api-client";
import { ApiResponse } from "@/fd/fd-toolbox/api/api-response";
import { FdTableComponent } from "@/meta/table/table-models";
import { notify } from "@/fd/fd-toolbox/notifications";
import { routes } from "@/fd/fd-toolbox/routing/routes";
import { createAndDownloadCsv } from "@/lm/lead/actions/export-leads-action/create-and-download-csv";
import { WithIdAndStringIndexer } from "@/fd/fd-toolbox/types/resource-with-id";
import { leadProps } from "@/leads/props/lead-props";
import { getUiResourceMeta } from "@/meta/ui-meta-providers";
import { resourceNames } from "@/fd/fd-toolbox/resources/resource-names";

const notifications = {
    noItemsSelected: "Please select at least one item to export",
    exportCompleted: "Items were exported successfully",
};

const leadEmailList = leadProps.leadEmailList;

export async function exportLeadInCSVFile(table: FdTableComponent | undefined) {
    if (table) {
        const tableSelectedRows = table.getSelectedRows();

        if (!tableSelectedRows || tableSelectedRows.length === 0) {
            notify(notifications.noItemsSelected);

            return;
        }

        const uiResourceMeta = await getUiResourceMeta(resourceNames.lead);

        const items = tableSelectedRows.map(({ item }: { item: WithIdAndStringIndexer }) => {

            const processedItem = {
                ...item,
                ...(Array.isArray(item[leadEmailList])
                    ? {
                          [leadEmailList]: item[leadEmailList]
                              .map((emailObj: { email: string }) => emailObj.email)
                              .join(", "),
                      }
                    : {}),
            };

            return Object.entries(processedItem).reduce<WithIdAndStringIndexer>(
                (acc, [propertyName, value]) => {
                    const propertyMeta = uiResourceMeta.resourceMeta.properties[propertyName];
                    const displayName = propertyMeta?.displayName || propertyName;
                    acc[displayName] = value as string;

                    if (propertyName === "id") {
                        acc.id = value as string;
                    }

                    return acc;
                },
                { id: processedItem.id },
            );
        });

        const response = await apiPost<ApiResponse<string>>(routes.export, {
            items: items,
        });

        if (response && response.data) {
            createAndDownloadCsv(response.data);
            notify(notifications.exportCompleted);
        }
    }
}