Web-Frontend/client/src/components/dashboard/SettingsButton.jsx

import {useState, useMemo, useRef} from "react";
import {
  Button,
  Box,
  Text,
  Flex,
  Grid,
  Dialog,
  Tabs,
  Badge,
  Menu,
  HStack,
  useRecipe,
  useSlotRecipe
} from "@chakra-ui/react";
import {Settings, LayoutGrid, Move, Save, X} from 'lucide-react';
import {useDashboardStore} from "../../store/useDashboardStore.jsx";
import {WIDGET_REGISTRY} from "../../constants/widgetRegistry.jsx";

// 🚨 NEW: Tiny helper to convert size keys into abbreviations
const getSizeAbbreviation = (key) => {
  const mapping = { small: "S", medium: "M", large: "L", xlarge: "XL" };
  return mapping[key.toLowerCase()] || key.charAt(0).toUpperCase();
};

export function SettingsButton() {
  // 1. ☁Store connections
  const isEditing = useDashboardStore(state => state.isEditing);
  const enterEditMode = useDashboardStore(state => state.enterEditMode);
  const saveEdit = useDashboardStore(state => state.saveEdit);
  const cancelEdit = useDashboardStore(state => state.cancelEdit);
  const addWidget = useDashboardStore(state => state.addWidget);

  const recipe = useRecipe({key: "glassTab"});
  const tabStyles = recipe();

  // Pull the glass container styles for the dropdown and modal
  const panelRecipe = useSlotRecipe({key: "glassPanel"});
  const panelStyles = panelRecipe({layout: "dropdown"});
  const modalStyles = panelRecipe({layout: "popover"});

  const [isLibraryOpen, setIsLibraryOpen] = useState(false);

  // Smart Add Handler
  const handleAddWidget = (widgetId, sizeKey) => {
    enterEditMode();
    addWidget(widgetId, sizeKey);
  };

  const categorizedWidgets = useMemo(() => {
    return Object.entries(WIDGET_REGISTRY).reduce((acc, [id, widget]) => {
      const cat = widget.category || 'General';
      if (!acc[cat]) acc[cat] = [];
      acc[cat].push({id, ...widget});
      return acc;
    }, {});
  }, []);

  const categories = Object.keys(categorizedWidgets);

  // use ref to capture html node for placing menu accordingly
  const menuRef = useRef(null);
  const getAnchorRect = () => {
    if (!menuRef.current) return null;
    return menuRef.current.getBoundingClientRect();
  };

  return (
    <>
      {isEditing ? (
        // 📝 EDIT MODE: The 3-Pill Layout
        <HStack gap={2}>
          {/* 1. The Add Widget Button */}
          <Box
            as="button"
            css={tabStyles}
            data-state="open"
            onClick={() => setIsLibraryOpen(true)}
            color={{ base: "blue.500", _dark: "blue.300" }}
            _hover={{ bg: "rgba(66, 153, 225, 0.1)" }}
          >
            <LayoutGrid size={20} style={{ flexShrink: 0 }} />
            <Box as="span">Widget Library</Box>
          </Box>

          {/* 2. The Save Button */}
          <Box
            as="button"
            css={tabStyles}
            data-state="open"
            onClick={saveEdit}
            color={{ base: "green.600", _dark: "green.400" }}
            _hover={{ bg: "rgba(72, 187, 120, 0.1)" }}
          >
            <Save size={20} style={{ flexShrink: 0 }} />
            <Box as="span">Save Layout</Box>
          </Box>

          {/* 3. The Discard Button */}
          <Box
            as="button"
            css={tabStyles}
            data-state="open"
            onClick={cancelEdit}
            color={{ base: "red.500", _dark: "red.400" }}
            _hover={{ bg: "rgba(245, 101, 101, 0.1)" }}
          >
            <X size={20} style={{ flexShrink: 0 }} />
            <Box as="span">Discard</Box>
          </Box>
        </HStack>
      ) : (
        // 👀 VIEW MODE: The Static Dropdown Menu
        <Menu.Root positioning={{ getAnchorRect }}>
          <Menu.Trigger asChild>
            <Box ref={menuRef} as="button" css={tabStyles}>
              {/* size increased to 24 to match tabs. flexShrink: 0 is CRITICAL */}
              <Settings size={24} style={{ flexShrink: 0 }} />
              <Box as="span">Dashboard Settings</Box>
            </Box>
          </Menu.Trigger>

          <Menu.Positioner>
            <Menu.Content css={panelStyles.root} zIndex="dropdown" minW="200px">
              <Menu.Item
                onClick={enterEditMode}
                cursor="pointer"
                _hover={{ WebkitTextStroke: "0.5px currentColor" }}
              >
                <Move size={16} style={{ marginRight: '8px' }} /> Edit Layout
              </Menu.Item>

                    <Menu.Separator my={1} borderColor={{base: "gray.200", _dark: "whiteAlpha.200"}}/>

                    <Menu.Item
                      onClick={() => setIsLibraryOpen(true)}
                      cursor="pointer"
                      _hover={{
                        bg: {base: "rgba(0, 0, 0, 0.05)", _dark: "rgba(255, 255, 255, 0.1)"},
                        WebkitTextStroke: "0.5px currentColor"
                      }}
                    >
                      <LayoutGrid size={16} style={{marginRight: '8px'}}/> Widget Library
                    </Menu.Item>
                  </Menu.Content>
                </Menu.Positioner>
              </Menu.Root>
            )}

              {/* THE WIDGET LIBRARY MODAL (Controlled by isLibraryOpen) */}
              <Dialog.Root
                open={isLibraryOpen}
                onOpenChange={(e) => setIsLibraryOpen(e.open)}
                size="xl"
                placement="center"
                closeOnInteractOutside={true}
                closeOnEscapeKeyDown={true}
              >
                {/* Soft blur can be added to the background behind the modal */}
                {/*<Dialog.Backdrop bg="blackAlpha.100" backdropFilter="blur(2px)"/>*/}
                <Dialog.Positioner>

                  <Dialog.Content css={modalStyles.root} overflow="hidden" maxW="800px" minH="800px" p={0}>

                    <Dialog.Header bg="transparent" color={{base: "gray.800", _dark: "white"}} py={4}
                                    borderColor={{base: "gray.200", _dark: "whiteAlpha.200"}}>
                      <Dialog.Title fontSize="xl" fontWeight="bold">Widgets Shop</Dialog.Title>
                    </Dialog.Header>

                    <Dialog.Body p={0}>
                      <Tabs.Root defaultValue={categories[0]} variant="unstyled">
                        <Tabs.List
                          bg={{ base: "rgba(0, 0, 0, 0.04)", _dark: "rgba(255, 255, 255, 0.05)" }}
                          p={1}
                          mx={3}
                          mt={4}
                          mb={6}
                          borderRadius="full" // Back to a perfect pill shape!
                          display="flex"
                          flexWrap="nowrap" // 🚨 STRICTLY lock to one line
                          overflowX="auto" // 🚨 Allow horizontal scrolling
                          maxWidth="100%" // Ensure it doesn't break out of the modal
                          border="1px solid"
                          borderColor={{ base: "blackAlpha.50", _dark: "whiteAlpha.100" }}
                          css={{
                            // 🚨 Hide the scrollbar but keep the scrolling functionality
                            scrollbarWidth: "none",
                            "&::-webkit-scrollbar": { display: "none" },
                          }}
                          onWheel={(e) => {
                          if (e.currentTarget) {
                            e.currentTarget.scrollLeft += e.deltaY;
                          }
                        }}
                        >
                          {categories.map(cat => (
                            <Tabs.Trigger
                              key={cat}
                              value={cat}
                              px={5}
                              py={2}
                              borderRadius="full"
                              whiteSpace="nowrap" // Keep text on one straight line
                              flexShrink={0} // 🚨 Prevent the browser from trying to crush the tabs
                              color={{ base: "gray.500", _dark: "gray.400" }}
                              fontWeight="medium"
                              transition="background-color 0.2s, color 0.2s, box-shadow 0.2s"
                              _hover={{
                                color: { base: "gray.800", _dark: "gray.200" }
                              }}
                              _selected={{
                                bg: { base: "white", _dark: "rgba(255, 255, 255, 0.12)" },
                                color: { base: "blue.600", _dark: "blue.200" },
                                boxShadow: "sm",
                                fontWeight: "bold",
                              }}
                            >
                              {cat}
                            </Tabs.Trigger>
                          ))}
                        </Tabs.List>

                        {categories.map(cat => (
                          <Tabs.Content key={cat} value={cat} p={6}>
                            <Grid templateColumns="repeat(auto-fill, minmax(300px, 1fr))" gap={4}>
                              {categorizedWidgets[cat].map(widget => (
                                <Flex
                                  key={widget.id}
                                  direction="column"
                                  bg={{base: "rgba(255, 255, 255, 0.6)", _dark: "rgba(0, 0, 0, 0.2)"}}
                                  p={4}
                                  borderRadius="xl"
                                  border="1px solid"
                                  borderColor={{base: "rgba(255, 255, 255, 0.9)", _dark: "whiteAlpha.200"}}
                                  boxShadow="sm"
                                >
                                  <Text fontWeight="bold" fontSize="md" mb={1}>{widget.name}</Text>
                                  <Text fontSize="sm" color="gray.500" mb={4} flex="1">{widget.description}</Text>

                                  <Box borderTop="1px solid" borderColor={{base: "gray.200", _dark: "whiteAlpha.200"}}
                                       pt={3}>
                                    <Text fontSize="xs" fontWeight="bold" color="gray.400" textTransform="uppercase"
                                          mb={2}>
                                      Add to Dashboard:
                                    </Text>
                                    <HStack gap={2} flexWrap="wrap">
                                      {Object.keys(widget.allowedSizes).map(sizeKey => (
                                        <Box
                                          key={sizeKey}
                                          as="button"
                                          css={tabStyles}
                                          onClick={() => handleAddWidget(widget.id, sizeKey)}
                                          color={{base: "blue.600", _dark: "blue.300"}}
                                        >
                                          {/* 🚨 THE ABBREVIATION ICON: Always visible */}
                                          <Flex
                                            align="center"
                                            justify="center"
                                            w="24px"
                                            h="24px"
                                            flexShrink={0}
                                            borderRadius="full"
                                            bg={{ base: "blue.50", _dark: "whiteAlpha.200" }}
                                            fontWeight="black"
                                            fontSize="xs"
                                            bg='transparent'
                                          >
                                            {getSizeAbbreviation(sizeKey)}
                                          </Flex>

                                          {/* 🚨 THE EXPANDED TEXT: Only visible on hover */}
                                          <Box as="span">Add Widget</Box>
                                        </Box>
                                      ))}
                                    </HStack>
                                  </Box>
                                </Flex>
                              ))}
                            </Grid>
                          </Tabs.Content>
                        ))}
                      </Tabs.Root>
                    </Dialog.Body>
                    <Dialog.CloseTrigger position="absolute" top={3} right={3} color={{ base: "gray.500", _dark: "whiteAlpha.800" }} _hover={{ color: "red.400" }} />
                  </Dialog.Content>
                </Dialog.Positioner>
              </Dialog.Root>
    </>
  );
}