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import GiveBaseModal from "@shared/modals/GiveBaseModal";
import NiceModal, { useModal } from "@ebay/nice-modal-react";
import { styled, useAppTheme } from "@theme/v2/Provider";
import {
ArrowLeftIcon,
ArrowRightIcon,
CircleIcon,
DownloadSimpleIcon,
MagnifyingGlassIcon,
MinusIcon,
PlusIcon,
TrashIcon,
XIcon,
} from "@phosphor-icons/react";
import GiveIconButton from "@shared/IconButton/GiveIconButton";
import useImagePreviewer from "@common/FilePreview/hooks/useImagePreviewer";
import { TDocument } from "@common/FilePreview/types";
import { FILE_PREVIEW_MODAL_V2 } from "modals/modal_names";
import { CustomTheme } from "@theme/v2/palette.interface";
import useDocumentListV2 from "./hooks/useDocumentListV2";
import {
deleteDocument,
downloadBase64Document,
downloadDocument,
} from "@hooks/common/documents/utils";
import { useQueryClient } from "react-query";
import { MERCHANT_SIDE_PANEL_PREVIEW_API_KEYS } from "features/Merchants/MerchantSidePanel/constants";
import usePdfPreviewerV2 from "./hooks/usePdfPreviewerV2";
import GiveText from "@shared/Text/GiveText";
import { useTransition, animated } from "@react-spring/web";
import { useState, useMemo, useRef, useEffect } from "react";
const transitionConfig = {
mass: 1,
tension: 210,
friction: 20,
clamp: true,
precision: 0.01,
};
const numDotsToShow = 5;
type Props = {
file: TDocument;
documentList: TDocument[];
isDeleteHidden?: boolean;
entityId: number;
handleLocalDelete?: (
index: number,
name?: string,
onDeleteCb?: () => void,
) => void;
isBase64?: boolean;
isMedia?: boolean;
isPdfAsImage?: boolean;
};
const MEDIA_LIBRARY_ACTION_HEIGHT_PX = 64;
const MEDIA_LIBRARY_ACTION_HEIGHT = `${MEDIA_LIBRARY_ACTION_HEIGHT_PX}px`;
const MEDIA_LIBRARY_FOOTER_HEIGHT_PX = 74;
const OUTSIDE_MODAL_VERTICAL_SPACE_PX = 50 * 2;
const ACTION_BORDER_FIX_PX = 0.8;
const PREVIEW_MODAL_CONTENT_HEIGHT = `calc(
100vh
- ${OUTSIDE_MODAL_VERTICAL_SPACE_PX}px
- ${MEDIA_LIBRARY_ACTION_HEIGHT_PX + ACTION_BORDER_FIX_PX}px
- ${MEDIA_LIBRARY_FOOTER_HEIGHT_PX}px
)`;
const GiveFilePreviewModal = NiceModal.create(
({
file,
documentList,
isDeleteHidden = false,
entityId,
handleLocalDelete,
isBase64 = false,
isMedia = false,
isPdfAsImage = false,
}: Props) => {
const queryClient = useQueryClient();
const theme = useAppTheme();
const [currentDocumentList, setCurrentDocumentList] =
useState(documentList);
const [currentFileData, setCurrentFileData] = useState(file);
const { visible, remove: removeModal } = useModal(FILE_PREVIEW_MODAL_V2);
const { currentFile, currentIndex, navigation } = useDocumentListV2(
currentDocumentList, // ← Use state instead of prop
currentFileData, // ← Use state instead of prop
removeModal,
);
const { name } = currentFile || {};
const { changeFile, showNext, showPrev } = navigation || {};
const hasMultipleFiles = documentList?.length > 1;
const isPdf = ["pdf", "application/pdf", ".pdf"].includes(
currentFile?.type || "",
);
const isLocalFile = currentFile?.isUploaded === false;
const handleRefetchFiles = async () => {
await queryClient.refetchQueries([
MERCHANT_SIDE_PANEL_PREVIEW_API_KEYS.GET_FILES,
entityId,
]);
const freshList = queryClient.getQueryData<TDocument[]>([
MERCHANT_SIDE_PANEL_PREVIEW_API_KEYS.GET_FILES,
entityId,
]);
// Safely check if result is an array then Update the local state with fresh data
if (Array.isArray(freshList)) {
setCurrentDocumentList(freshList);
const updatedCurrentFile = freshList.find(
(doc: TDocument) => doc.id === currentFileData.id,
);
if (updatedCurrentFile) {
setCurrentFileData(updatedCurrentFile);
}
}
};
const {
Previewer,
onZoom: onPdfZoom,
toolbar,
toggleSearch,
isSearchActive,
} = usePdfPreviewerV2({
file: currentFile as TDocument,
customDocumentWrapperStyles: pdfPreviewStyles,
handleRefetchFiles,
});
const { Previewer: ImagePreviewer, onZoom: onImageZoom } =
useImagePreviewer({
file: currentFile as TDocument,
customImageStyle: {
maxWidth: isPdfAsImage ? "60%" : "100%",
maxHeight: "100%",
display: "block",
margin: "auto",
transformOrigin: "center center",
},
});
const previewer = isPdf ? Previewer : ImagePreviewer;
const [direction, setDirection] = useState("next");
const transitions = useTransition(previewer, {
key: currentIndex,
from: {
opacity: 0.8,
transform: `translateX(${direction === "next" ? "100%" : "-100%"})`,
width: "100%",
height: isPdfAsImage ? "auto" : "100%", // important
},
enter: {
opacity: 1,
transform: "translateX(0%)",
width: "100%",
height: isPdfAsImage ? "auto" : "100%",
},
leave: {
opacity: 0.8,
transform: `translateX(${direction === "next" ? "-100%" : "100%"})`,
width: "100%",
height: isPdfAsImage ? "auto" : "100%",
},
config: transitionConfig,
});
const handleSlide = (dir: "next" | "prev") => {
setDirection(dir);
changeFile(dir);
};
const handleDeleteDocument = (file: TDocument | null) => {
if (handleLocalDelete && file) {
handleLocalDelete(file.id, file?.name, () => handleSlide("next"));
Eif (!hasMultipleFiles) removeModal();
return;
}
Eif (file && entityId) {
deleteDocument(entityId, { id: file.id, fileName: file.name }, () => {
queryClient.invalidateQueries(
MERCHANT_SIDE_PANEL_PREVIEW_API_KEYS.GET_FILES,
);
if (!hasMultipleFiles) removeModal();
});
}
};
const handleDownloadDocument = (file: TDocument | null) => {
Eif (file) {
const payload = {
fileName: file.name,
fileURL: file.URL,
};
Iif (isBase64) {
downloadBase64Document({
...payload,
label: file?.type,
});
} else downloadDocument(payload, false, true);
}
};
const totalDocs = documentList.length;
const minIndex = useMemo(() => {
const numVisible = Math.min(numDotsToShow, totalDocs);
if (totalDocs <= numVisible) return 0;
// If we are near the end, lock the window so the last visible dot is the last doc
Iif (currentIndex >= totalDocs - 1) return totalDocs - numVisible;
// If we are at the second-last of the visible window, shift window forward
Iif (currentIndex >= numVisible - 1) return currentIndex - numVisible + 2;
// Otherwise, start from 0
return 0;
}, [currentIndex, totalDocs, numDotsToShow]);
const numVisible = Math.min(numDotsToShow, totalDocs);
const visibleDots = useMemo(() => {
return Array.from({ length: numVisible }, (_, i) => minIndex + i).filter(
(i) => i < totalDocs,
);
}, [minIndex, totalDocs, numVisible]);
const CustomHeader = (
<Stack
direction="row"
gap="16px"
alignItems="center"
padding="16px 20px"
sx={{
justifyContent: "space-between",
borderBottom: `1px solid ${theme.palette.border?.primary}`,
...(isMedia && { height: MEDIA_LIBRARY_ACTION_HEIGHT }),
}}
>
<GiveText
variant="bodyS"
color="secondary"
flex={1}
data-testid="preview-title"
>
{name}
</GiveText>
<Stack direction="row" gap="12px" alignItems="center">
{isPdf && (
<GiveIconButton
bgColor="solidWhite"
Icon={MagnifyingGlassIcon}
onClick={() => toggleSearch?.(!isSearchActive)}
data-testid="search-btn"
/>
)}
<GiveIconButton
bgColor="solidWhite"
Icon={XIcon}
onClick={removeModal}
data-testid="close-preview-button"
/>
</Stack>
</Stack>
);
const CustomFooter = (
<Stack
direction="row"
gap="16px"
alignItems="center"
justifyContent="center"
>
<GiveIconButton
Icon={MinusIcon}
onClick={() => (isPdf ? onPdfZoom("out") : onImageZoom("out"))}
bgColor="solidWhite"
data-testid="zoom-out-btn"
/>
<GiveIconButton
Icon={PlusIcon}
onClick={() => (isPdf ? onPdfZoom("in") : onImageZoom("in"))}
bgColor="solidWhite"
data-testid="zoom-in-btn"
/>
<Divider orientation="vertical" flexItem />
<GiveIconButton
Icon={DownloadSimpleIcon}
onClick={() => handleDownloadDocument(currentFile)}
bgColor="solidWhite"
data-testid="download-btn"
/>
{(!isDeleteHidden || isLocalFile) && (
<GiveIconButton
Icon={TrashIcon}
color={theme.palette.primitive?.error[50]}
onClick={() => handleDeleteDocument(currentFile)}
bgColor="solidWhite"
data-testid="delete-btn"
/>
)}
{isPdf && toolbar.primary.content}
</Stack>
);
const ControlComponents = (
<>
{showPrev && (
<StyledGiveIconButton
Icon={ArrowLeftIcon}
bgColor="solidWhite"
left="16px"
onClick={() => handleSlide("prev")}
data-testid="arrow-button-left"
/>
)}
{showNext && (
<StyledGiveIconButton
Icon={ArrowRightIcon}
bgColor="solidWhite"
right="16px"
onClick={() => handleSlide("next")}
data-testid="arrow-button-right"
/>
)}
<NavContainer data-testid="nav-dots">
{visibleDots.map((index, i, arr) => {
const isEdge =
(i === 0 && minIndex > 0) ||
(i === arr.length - 1 && minIndex + arr.length < totalDocs);
return (
<NavDot
theme={theme}
key={index}
selected={index === currentIndex}
weight="fill"
isEdge={isEdge}
data-testid="nav-dot"
data-index={index}
/>
);
})}
</NavContainer>
</>
);
return (
<GiveBaseModal
open={visible}
title={name}
width="1040px"
height="100%"
onClose={removeModal}
closeIconProps={{
["data-testid" as string]: "close-preview-button",
bgColor: "solidWhite",
}}
customContentPadding="0"
sx={{
zIndex: 10000,
"& .MuiDialog-paper": {
position: "relative",
...(isMedia && {
my: "90px",
height: "100vh",
"& .MuiDialogActions-root": {
height: MEDIA_LIBRARY_ACTION_HEIGHT,
},
}),
},
}}
customHeader={CustomHeader}
customFooter={CustomFooter}
customDialogStyle={customDialogStyles}
>
<Container data-testid="file-preview-modal">
<FilePreviewWrapper
data-testid="previewer"
sx={{
maxHeight: PREVIEW_MODAL_CONTENT_HEIGHT,
overflowY: "auto",
overflowX: "hidden",
display: "flex",
justifyContent: "center",
alignItems: "flex-start", // top align tall images
}}
>
<AnimatedWrapper>
{transitions((style, item) => (
<animated.div
style={{
...(style as any),
display: "flex",
justifyContent: "center",
alignItems: isPdf ? "stretch" : "center",
width: "100%",
height: "100%",
overflow: isPdf ? "hidden" : "visible",
}}
>
{item}
</animated.div>
))}
</AnimatedWrapper>
</FilePreviewWrapper>
</Container>
{hasMultipleFiles && ControlComponents}
</GiveBaseModal>
);
},
);
export default GiveFilePreviewModal;
const Container = styled(Box)(() => ({
position: "relative",
width: "100%",
height: "100%",
display: "flex",
flexDirection: "column",
paddingBottom: "74px", // Account for fixed footer height
}));
const FilePreviewWrapper = styled(Box)<{ isPdfAsImage?: boolean }>(
({ isPdfAsImage }) => ({
width: "100%",
margin: "0 auto",
overflowY: isPdfAsImage ? "auto" : "hidden", // scroll for tall images
overflowX: "hidden",
flex: isPdfAsImage ? "0 0 auto" : "1 1 auto", // allow content to grow
display: "flex",
justifyContent: "center",
}),
);
const AnimatedWrapper = styled("div")<{ isPdfAsImage?: boolean }>(
({ isPdfAsImage }) => ({
position: "relative",
width: "100%",
height: isPdfAsImage ? "auto" : "100%",
display: "flex",
alignItems: isPdfAsImage ? "flex-start" : "center",
justifyContent: "center",
overflow: isPdfAsImage ? "visible" : "hidden",
}),
);
const pdfPreviewStyles = {
width: "100%",
height: "100%",
display: "flex",
flexDirection: "column",
"& .react-pdf__Page__canvas": {
margin: "0 auto",
},
"& .react-pdf__Page:first-of-type": {
marginTop: "0px",
},
};
const customDialogStyles = {
"& .MuiDialog-paper": {
"& .MuiDialogContent-root": {
height: "60vh",
padding: "0px !important",
},
},
};
const StyledGiveIconButton = styled(GiveIconButton)(
({ right, left }: { right?: string; left?: string }) => ({
position: "absolute",
top: "50%",
transform: "translateY(-50%)",
zIndex: 10,
right: right,
left: left,
}),
);
const NavContainer = styled(Stack)(({ theme }) => ({
flexDirection: "row",
gap: "5px",
alignItems: "center",
position: "absolute",
bottom: "88px",
left: "50%",
transform: "translateX(-50%)",
zIndex: 1,
backgroundColor: theme.palette.surface?.["primary-transparent"],
borderRadius: "30px",
padding: "8px",
backdropFilter: "blur(15px)",
WebkitBackdropFilter: "blur(15px)",
flexWrap: "nowrap",
width: "auto",
justifyContent: "center",
}));
const NavDot = styled(CircleIcon)(
({
theme,
selected,
isEdge,
}: {
theme: CustomTheme;
selected: boolean;
isEdge?: boolean;
}) => ({
width: "8px",
height: "8px",
color: theme.palette.background.dimmedWhite,
opacity: selected ? 1 : 0.5,
padding: 0,
borderRadius: "50%",
transform: isEdge ? "scale(0.6)" : "scale(1)",
transition: "transform 0.3s ease, opacity 0.3s ease",
}),
);
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