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import { type ReactNode, useCallback, useEffect, useRef, useState } from "react";
import { api, type SearchResult } from "../api";
import { extractSearchTerms } from "../utils";
import {
CalendarIcon,
FilterIcon,
MailOpenIcon,
PaperclipIcon,
SearchIcon,
StarIcon,
XIcon,
} from "./Icons";
import { toast } from "./Toast";
interface SearchPanelProps {
onClose: () => void;
onSelectMessage: (id: number) => void;
inboundConnectorId: number | null;
onResultsChange?: (results: SearchResult[]) => void;
onQueryChange?: (query: string) => void;
initialQuery?: string;
}
/**
* Highlight search terms in a plain text string, returning a React node.
* Strips search operators (from:, to:, etc.) before matching.
*/
export function highlightText(text: string, query: string): ReactNode {
const terms = extractSearchTerms(query);
Iif (terms.length === 0) return text;
const regex = new RegExp(`(${terms.join("|")})`, "gi");
const parts = text.split(regex);
// biome-ignore lint/suspicious/noArrayIndexKey: index is stable; parts are positional split segments
return <>{parts.map((part, i) => (i % 2 === 1 ? <mark key={`h-${i}`}>{part}</mark> : part))}</>;
}
interface ActiveFilter {
type: string;
value: string;
label: string;
}
const SEARCH_PAGE_SIZE = 30;
const QUICK_FILTERS: { type: string; value: string; label: string; icon: React.ReactNode }[] = [
{
type: "is",
value: "unread",
label: "Unread",
icon: <MailOpenIcon className="w-3.5 h-3.5" />,
},
{
type: "is",
value: "starred",
label: "Starred",
icon: <StarIcon className="w-3.5 h-3.5" />,
},
{
type: "has",
value: "attachment",
label: "Has attachment",
icon: <PaperclipIcon className="w-3.5 h-3.5" />,
},
];
function filterKey(f: ActiveFilter): string {
return `${f.type}:${f.value}`;
}
function buildQueryWithFilters(text: string, filters: ActiveFilter[]): string {
const parts = [text.trim()];
for (const f of filters) {
const val = f.value.includes(" ") ? `"${f.value}"` : f.value;
parts.push(`${f.type}:${val}`);
}
return parts.filter(Boolean).join(" ");
}
export function SearchPanel({
onClose,
onSelectMessage,
inboundConnectorId,
onResultsChange,
onQueryChange,
initialQuery = "",
}: SearchPanelProps) {
const [query, setQuery] = useState(initialQuery);
const [activeFilters, setActiveFilters] = useState<ActiveFilter[]>([]);
const [results, setResults] = useState<SearchResult[]>([]);
const [activeQuery, setActiveQuery] = useState(initialQuery);
const [loading, setLoading] = useState(false);
const [loadingMore, setLoadingMore] = useState(false);
const [searched, setSearched] = useState(false);
const [hasMore, setHasMore] = useState(false);
const [focusedIndex, setFocusedIndex] = useState(-1);
const [showDateFilter, setShowDateFilter] = useState(false);
const [dateAfter, setDateAfter] = useState("");
const [dateBefore, setDateBefore] = useState("");
const debounceRef = useRef<ReturnType<typeof setTimeout>>(undefined);
const resultRefs = useRef<(HTMLButtonElement | null)[]>([]);
const lastQueryRef = useRef("");
// Focus the search input when panel mounts
const inputRef = useRef<HTMLInputElement>(null);
useEffect(() => {
requestAnimationFrame(() => inputRef.current?.focus());
}, []);
const initialQueryRef = useRef(initialQuery);
const initialQueryFiredRef = useRef(false);
const doSearch = useCallback(
(fullQuery: string) => {
Iif (!fullQuery.trim()) {
setResults([]);
setSearched(false);
setHasMore(false);
setActiveQuery("");
return;
}
lastQueryRef.current = fullQuery;
setActiveQuery(fullQuery);
setLoading(true);
api
.search(fullQuery, {
inboundConnectorId: inboundConnectorId ?? undefined,
limit: SEARCH_PAGE_SIZE,
})
.then((r) => {
setResults(r);
setSearched(true);
setHasMore(r.length >= SEARCH_PAGE_SIZE);
setFocusedIndex(r.length > 0 ? 0 : -1);
})
.catch(() => {
setResults([]);
setFocusedIndex(-1);
setHasMore(false);
toast("Search failed", "error");
})
.finally(() => setLoading(false));
},
[inboundConnectorId],
);
const triggerSearch = useCallback(
(text: string, filters: ActiveFilter[]) => {
const fullQuery = buildQueryWithFilters(text, filters);
doSearch(fullQuery);
},
[doSearch],
);
// Trigger search on mount if an initial query was provided
useEffect(() => {
if (initialQueryRef.current && !initialQueryFiredRef.current) {
initialQueryFiredRef.current = true;
triggerSearch(initialQueryRef.current, []);
}
}, [triggerSearch]);
const handleLoadMore = useCallback(() => {
Iif (loadingMore || !lastQueryRef.current) return;
setLoadingMore(true);
api
.search(lastQueryRef.current, {
inboundConnectorId: inboundConnectorId ?? undefined,
limit: SEARCH_PAGE_SIZE,
offset: results.length,
})
.then((more) => {
setResults((prev) => [...prev, ...more]);
setHasMore(more.length >= SEARCH_PAGE_SIZE);
})
.catch(() => {
toast("Failed to load more results", "error");
})
.finally(() => setLoadingMore(false));
}, [inboundConnectorId, results.length, loadingMore]);
// Cleanup debounce timeout on unmount
useEffect(() => {
return () => {
if (debounceRef.current) clearTimeout(debounceRef.current);
};
}, []);
const handleChange = useCallback(
(value: string) => {
setQuery(value);
if (debounceRef.current) clearTimeout(debounceRef.current);
debounceRef.current = setTimeout(() => triggerSearch(value, activeFilters), 300);
},
[triggerSearch, activeFilters],
);
const toggleFilter = useCallback(
(type: string, value: string, label: string) => {
setActiveFilters((prev) => {
const key = filterKey({ type, value, label });
const exists = prev.some((f) => filterKey(f) === key);
const next = exists
? prev.filter((f) => filterKey(f) !== key)
: [...prev, { type, value, label }];
// Trigger search with updated filters
if (debounceRef.current) clearTimeout(debounceRef.current);
debounceRef.current = setTimeout(() => triggerSearch(query, next), 150);
return next;
});
},
[query, triggerSearch],
);
const removeFilter = useCallback(
(filter: ActiveFilter) => {
setActiveFilters((prev) => {
const next = prev.filter((f) => filterKey(f) !== filterKey(filter));
Eif (debounceRef.current) clearTimeout(debounceRef.current);
debounceRef.current = setTimeout(() => triggerSearch(query, next), 150);
return next;
});
},
[query, triggerSearch],
);
const applyDateFilter = useCallback(() => {
const newFilters = activeFilters.filter((f) => f.type !== "after" && f.type !== "before");
Eif (dateAfter) {
newFilters.push({ type: "after", value: dateAfter, label: `After ${dateAfter}` });
}
if (dateBefore) {
newFilters.push({ type: "before", value: dateBefore, label: `Before ${dateBefore}` });
}
setActiveFilters(newFilters);
setShowDateFilter(false);
if (debounceRef.current) clearTimeout(debounceRef.current);
debounceRef.current = setTimeout(() => triggerSearch(query, newFilters), 150);
}, [dateAfter, dateBefore, activeFilters, query, triggerSearch]);
// Notify parent of results and query changes
useEffect(() => {
onResultsChange?.(results);
}, [results, onResultsChange]);
useEffect(() => {
onQueryChange?.(activeQuery);
}, [activeQuery, onQueryChange]);
// Scroll focused result into view
useEffect(() => {
if (focusedIndex >= 0) {
resultRefs.current[focusedIndex]?.scrollIntoView({ block: "nearest" });
}
}, [focusedIndex]);
const handleKeyDown = useCallback(
(e: React.KeyboardEvent) => {
if (e.key === "Escape") {
e.stopPropagation();
onClose();
return;
}
if (e.key === "ArrowDown") {
e.preventDefault();
setFocusedIndex((prev) => (prev < results.length - 1 ? prev + 1 : prev));
return;
}
if (e.key === "ArrowUp") {
e.preventDefault();
setFocusedIndex((prev) => (prev > 0 ? prev - 1 : prev));
return;
}
if (e.key === "Enter" && focusedIndex >= 0 && results[focusedIndex]) {
e.preventDefault();
onSelectMessage(results[focusedIndex].id);
}
},
[results, focusedIndex, onSelectMessage, onClose],
);
const isFilterActive = (type: string, value: string) =>
activeFilters.some((f) => f.type === type && f.value === value);
return (
<div className="flex flex-col h-full" onKeyDown={handleKeyDown}>
{/* Search input */}
<div className="flex items-center gap-3 px-4 py-3 border-b border-gray-200 dark:border-gray-800">
<SearchIcon className="w-4 h-4 text-gray-400 flex-shrink-0" />
<input
ref={inputRef}
type="text"
value={query}
onChange={(e) => handleChange(e.target.value)}
className="flex-1 bg-transparent text-sm outline-none"
placeholder="Search messages…"
autoFocus
/>
{loading && <span className="text-xs text-gray-400 animate-pulse">Searching…</span>}
<button
type="button"
onClick={onClose}
className="text-gray-400 hover:text-gray-600 dark:hover:text-gray-200 p-0.5"
aria-label="Close"
>
<XIcon className="w-4 h-4" />
</button>
</div>
{/* Quick filters */}
<div className="flex items-center gap-2 px-4 py-2 border-b border-gray-100 dark:border-gray-800 flex-wrap">
<FilterIcon className="w-3.5 h-3.5 text-gray-400 flex-shrink-0" />
{QUICK_FILTERS.map((qf) => (
<button
key={`${qf.type}:${qf.value}`}
type="button"
onClick={() => toggleFilter(qf.type, qf.value, qf.label)}
className={`inline-flex items-center gap-1.5 px-2.5 py-1 rounded-full text-xs font-medium transition-colors ${
isFilterActive(qf.type, qf.value)
? "bg-stork-100 text-stork-700 dark:bg-stork-900 dark:text-stork-300"
: "bg-gray-100 text-gray-600 hover:bg-gray-200 dark:bg-gray-800 dark:text-gray-400 dark:hover:bg-gray-700"
}`}
>
{qf.icon}
{qf.label}
</button>
))}
<button
type="button"
onClick={() => setShowDateFilter((v) => !v)}
className={`inline-flex items-center gap-1.5 px-2.5 py-1 rounded-full text-xs font-medium transition-colors ${
activeFilters.some((f) => f.type === "after" || f.type === "before")
? "bg-stork-100 text-stork-700 dark:bg-stork-900 dark:text-stork-300"
: "bg-gray-100 text-gray-600 hover:bg-gray-200 dark:bg-gray-800 dark:text-gray-400 dark:hover:bg-gray-700"
}`}
>
<CalendarIcon className="w-3.5 h-3.5" />
Date range
</button>
</div>
{/* Date range picker */}
{showDateFilter && (
<div className="flex items-center gap-2 px-4 py-2 border-b border-gray-100 dark:border-gray-800">
<label className="text-xs text-gray-500">
After:
<input
type="date"
value={dateAfter}
onChange={(e) => setDateAfter(e.target.value)}
className="ml-1 bg-transparent text-xs border border-gray-300 dark:border-gray-600 rounded px-1.5 py-0.5"
/>
</label>
<label className="text-xs text-gray-500">
Before:
<input
type="date"
value={dateBefore}
onChange={(e) => setDateBefore(e.target.value)}
className="ml-1 bg-transparent text-xs border border-gray-300 dark:border-gray-600 rounded px-1.5 py-0.5"
/>
</label>
<button
type="button"
onClick={applyDateFilter}
className="text-xs px-2 py-0.5 bg-stork-600 text-white rounded hover:bg-stork-700 transition-colors"
>
Apply
</button>
</div>
)}
{/* Active filter chips */}
{activeFilters.length > 0 && (
<div className="flex items-center gap-1.5 px-4 py-1.5 border-b border-gray-100 dark:border-gray-800 flex-wrap">
{activeFilters.map((f) => (
<span
key={filterKey(f)}
className="inline-flex items-center gap-1 px-2 py-0.5 rounded-full text-xs bg-stork-100 text-stork-700 dark:bg-stork-900 dark:text-stork-300"
>
{f.label}
<button
type="button"
onClick={() => removeFilter(f)}
className="hover:text-stork-900 dark:hover:text-stork-100"
aria-label={`Remove ${f.label} filter`}
>
<XIcon className="w-3 h-3" />
</button>
</span>
))}
<button
type="button"
onClick={() => {
setActiveFilters([]);
setDateAfter("");
setDateBefore("");
Eif (debounceRef.current) clearTimeout(debounceRef.current);
debounceRef.current = setTimeout(() => triggerSearch(query, []), 150);
}}
className="text-xs text-gray-400 hover:text-gray-600 dark:hover:text-gray-200"
>
Clear all
</button>
</div>
)}
{/* Search tips — shown near the input before any search has been run */}
{!searched && !loading && (
<div className="px-4 py-2 border-b border-gray-100 dark:border-gray-800 text-xs text-gray-400">
Tip: <kbd className="bg-gray-200 dark:bg-gray-700 px-1 rounded">↑</kbd>/
<kbd className="bg-gray-200 dark:bg-gray-700 px-1 rounded">↓</kbd> to navigate,{" "}
<kbd className="bg-gray-200 dark:bg-gray-700 px-1 rounded">Enter</kbd> to select,{" "}
<kbd className="bg-gray-200 dark:bg-gray-700 px-1 rounded">Esc</kbd> to exit.{" "}
<span className="text-gray-300 dark:text-gray-600">|</span>{" "}
<code className="text-gray-500">from:</code> <code className="text-gray-500">to:</code>{" "}
<code className="text-gray-500">subject:</code>{" "}
<code className="text-gray-500">has:attachment</code>{" "}
<code className="text-gray-500">is:unread</code>{" "}
<code className="text-gray-500">before:</code>{" "}
<code className="text-gray-500">after:</code>
</div>
)}
{/* Results */}
<div className="flex-1 overflow-y-auto">
{loading && results.length === 0 && (
<div className="animate-pulse" data-testid="search-skeleton">
{[1, 2, 3, 4].map((i) => (
<div
key={i}
className="px-4 py-3 border-b border-gray-100 dark:border-gray-800 space-y-1.5"
>
<div className="flex items-baseline gap-2">
<div className="h-3.5 bg-gray-200 dark:bg-gray-700 rounded w-28" />
<div className="h-3 bg-gray-100 dark:bg-gray-800 rounded w-16 ml-auto" />
</div>
<div className="h-3.5 bg-gray-200 dark:bg-gray-700 rounded w-48" />
<div className="h-3 bg-gray-100 dark:bg-gray-800 rounded w-64" />
</div>
))}
</div>
)}
{searched && results.length === 0 && !loading && (
<div className="p-6 text-center text-gray-400 text-sm">
{query.trim()
? `No results for \u201c${query}\u201d`
: activeFilters.length > 0
? "No messages match the selected filters"
: "No results"}
</div>
)}
{results.map((r, idx) => (
<button
key={r.id}
ref={(el) => {
resultRefs.current[idx] = el;
}}
type="button"
onClick={() => {
onSelectMessage(r.id);
}}
onMouseEnter={() => setFocusedIndex(idx)}
aria-label={`${r.subject || "No subject"} from ${r.from_name || r.from_address}`}
aria-selected={idx === focusedIndex}
className={`w-full text-left px-4 py-3 border-b border-gray-100 dark:border-gray-800 transition-colors ${
idx === focusedIndex
? "bg-stork-50 dark:bg-stork-950"
: "hover:bg-gray-50 dark:hover:bg-gray-800"
}`}
>
<div className="flex items-baseline gap-2">
<span className="text-sm font-medium truncate">{r.from_name || r.from_address}</span>
<span className="text-xs text-gray-400 flex-shrink-0">
{new Date(r.date).toLocaleDateString()}
</span>
</div>
<div className="text-sm text-gray-700 dark:text-gray-300 truncate">
{highlightText(r.subject || "(no subject)", query)}
</div>
{r.snippet && (
<div
className="text-xs text-gray-500 mt-0.5 line-clamp-1"
dangerouslySetInnerHTML={{
__html: DOMPurify.sanitize(r.snippet, {
ALLOWED_TAGS: ["b", "mark"],
}),
}}
/>
)}
</button>
))}
{hasMore && (
<div className="px-4 py-3 text-center">
<button
type="button"
onClick={handleLoadMore}
disabled={loadingMore}
className="text-sm text-stork-600 dark:text-stork-400 hover:text-stork-700 dark:hover:text-stork-300 disabled:opacity-50 transition-colors"
>
{loadingMore ? "Loading…" : `Load more results (${results.length} shown)`}
</button>
</div>
)}
</div>
</div>
);
}
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