import { Event } from "../../../../../base/common/event.js";
import { IMarkdownString } from "../../../../../base/common/htmlContent.js";
import { Disposable } from "../../../../../base/common/lifecycle.js";
import { IObservable } from "../../../../../base/common/observable.js";
import { ThemeIcon } from "../../../../../base/common/themables.js";
import { URI } from "../../../../../base/common/uri.js";
import { IInstantiationService } from "../../../../../platform/instantiation/common/instantiation.js";
import { IChatRequestVariableEntry } from "../attachments/chatVariableEntries.js";
import { ChatAgentVoteDirection, ChatAgentVoteDownReason, ChatRequestQueueKind, IChatCodeCitation, IChatContentReference, IChatDisabledClaudeHooksPart, IChatFollowup, IChatMcpServersStarting, IChatProgressMessage, IChatQuestionCarousel, IChatResponseErrorDetails, IChatTask, IChatUsedContext } from "../chatService/chatService.js";
import { IChatAgentCommand, IChatAgentData, IChatAgentResult } from "../participants/chatAgents.js";
import { IChatAgentNameService } from "../participants/chatAgents.service.js";
import { IParsedChatRequest } from "../requestParser/chatParserTypes.js";
import { CodeBlockModelCollection } from "@codingame/monaco-vscode-katex-common/vscode/vs/workbench/contrib/chat/common/widget/codeBlockModelCollection";
import { IChatModel, IChatProgressRenderableResponseContent, IChatRequestDisablement, IChatRequestModel, IChatResponseModel, IChatTextEditGroup, IResponse } from "./chatModel.js";
import { IChatStreamStats } from "./chatStreamStats.js";
export declare function isRequestVM(item: unknown): item is IChatRequestViewModel;
export declare function isResponseVM(item: unknown): item is IChatResponseViewModel;
export declare function isPendingDividerVM(item: unknown): item is IChatPendingDividerViewModel;
export declare function isChatTreeItem(item: unknown): item is IChatRequestViewModel | IChatResponseViewModel;
export declare function assertIsResponseVM(item: unknown): asserts item is IChatResponseViewModel;
export type IChatViewModelChangeEvent = IChatAddRequestEvent | IChangePlaceholderEvent | IChatSessionInitEvent | IChatSetHiddenEvent | null;
export interface IChatAddRequestEvent {
    kind: "addRequest";
}
export interface IChangePlaceholderEvent {
    kind: "changePlaceholder";
}
export interface IChatSessionInitEvent {
    kind: "initialize";
}
export interface IChatSetHiddenEvent {
    kind: "setHidden";
}
export interface IChatViewModel {
    readonly model: IChatModel;
    readonly sessionResource: URI;
    readonly onDidDisposeModel: Event<void>;
    readonly onDidChange: Event<IChatViewModelChangeEvent>;
    readonly inputPlaceholder?: string;
    getItems(): (IChatRequestViewModel | IChatResponseViewModel | IChatPendingDividerViewModel)[];
    setInputPlaceholder(text: string): void;
    resetInputPlaceholder(): void;
    editing?: IChatRequestViewModel;
    setEditing(editing: IChatRequestViewModel): void;
}
export interface IChatRequestViewModel {
    readonly id: string;
    readonly sessionResource: URI;
    /** This ID updates every time the underlying data changes */
    readonly dataId: string;
    readonly username: string;
    readonly avatarIcon?: URI | ThemeIcon;
    readonly message: IParsedChatRequest | IChatFollowup;
    readonly messageText: string;
    readonly attempt: number;
    readonly variables: readonly IChatRequestVariableEntry[];
    currentRenderedHeight: number | undefined;
    readonly contentReferences?: ReadonlyArray<IChatContentReference>;
    readonly confirmation?: string;
    readonly shouldBeRemovedOnSend: IChatRequestDisablement | undefined;
    readonly isComplete: boolean;
    readonly isCompleteAddedRequest: boolean;
    readonly slashCommand: IChatAgentCommand | undefined;
    readonly agentOrSlashCommandDetected: boolean;
    readonly shouldBeBlocked: IObservable<boolean>;
    readonly modelId?: string;
    readonly timestamp: number;
    /** The kind of pending request, or undefined if not pending */
    readonly pendingKind?: ChatRequestQueueKind;
}
export interface IChatResponseMarkdownRenderData {
    renderedWordCount: number;
    lastRenderTime: number;
    isFullyRendered: boolean;
    originalMarkdown: IMarkdownString;
}
export interface IChatResponseMarkdownRenderData2 {
    renderedWordCount: number;
    lastRenderTime: number;
    isFullyRendered: boolean;
    originalMarkdown: IMarkdownString;
}
export interface IChatProgressMessageRenderData {
    progressMessage: IChatProgressMessage;
    /**
     * Indicates whether this is part of a group of progress messages that are at the end of the response.
     * (Not whether this particular item is the very last one in the response).
     * Need to re-render and add to partsToRender when this changes.
     */
    isAtEndOfResponse: boolean;
    /**
     * Whether this progress message the very last item in the response.
     * Need to re-render to update spinner vs check when this changes.
     */
    isLast: boolean;
}
export interface IChatTaskRenderData {
    task: IChatTask;
    isSettled: boolean;
    progressLength: number;
}
export interface IChatResponseRenderData {
    renderedParts: IChatRendererContent[];
    renderedWordCount: number;
    lastRenderTime: number;
}
/**
 * Content type for references used during rendering, not in the model
 */
export interface IChatReferences {
    references: ReadonlyArray<IChatContentReference>;
    kind: "references";
}
/**
 * Content type for the "Working" progress message
 */
export interface IChatWorkingProgress {
    kind: "working";
}
/**
 * Content type for citations used during rendering, not in the model
 */
export interface IChatCodeCitations {
    citations: ReadonlyArray<IChatCodeCitation>;
    kind: "codeCitations";
}
export interface IChatErrorDetailsPart {
    kind: "errorDetails";
    errorDetails: IChatResponseErrorDetails;
    isLast: boolean;
}
export interface IChatChangesSummaryPart {
    readonly kind: "changesSummary";
    readonly requestId: string;
    readonly sessionResource: URI;
}
/**
 * Type for content parts rendered by IChatListRenderer (not necessarily in the model)
 */
export type IChatRendererContent = IChatProgressRenderableResponseContent | IChatReferences | IChatCodeCitations | IChatErrorDetailsPart | IChatChangesSummaryPart | IChatWorkingProgress | IChatMcpServersStarting | IChatQuestionCarousel | IChatDisabledClaudeHooksPart;
export interface IChatResponseViewModel {
    readonly model: IChatResponseModel;
    readonly id: string;
    readonly session: IChatViewModel;
    readonly sessionResource: URI;
    /** This ID updates every time the underlying data changes */
    readonly dataId: string;
    /** The ID of the associated IChatRequestViewModel */
    readonly requestId: string;
    readonly username: string;
    readonly agent?: IChatAgentData;
    readonly slashCommand?: IChatAgentCommand;
    readonly agentOrSlashCommandDetected: boolean;
    readonly response: IResponse;
    readonly usedContext: IChatUsedContext | undefined;
    readonly contentReferences: ReadonlyArray<IChatContentReference>;
    readonly codeCitations: ReadonlyArray<IChatCodeCitation>;
    readonly progressMessages: ReadonlyArray<IChatProgressMessage>;
    readonly isComplete: boolean;
    readonly isCanceled: boolean;
    readonly isStale: boolean;
    readonly vote: ChatAgentVoteDirection | undefined;
    readonly voteDownReason: ChatAgentVoteDownReason | undefined;
    readonly replyFollowups?: IChatFollowup[];
    readonly errorDetails?: IChatResponseErrorDetails;
    readonly result?: IChatAgentResult;
    readonly contentUpdateTimings?: IChatStreamStats;
    readonly shouldBeRemovedOnSend: IChatRequestDisablement | undefined;
    readonly isCompleteAddedRequest: boolean;
    renderData?: IChatResponseRenderData;
    currentRenderedHeight: number | undefined;
    setVote(vote: ChatAgentVoteDirection): void;
    setVoteDownReason(reason: ChatAgentVoteDownReason | undefined): void;
    usedReferencesExpanded?: boolean;
    vulnerabilitiesListExpanded: boolean;
    setEditApplied(edit: IChatTextEditGroup, editCount: number): void;
    readonly shouldBeBlocked: IObservable<boolean>;
}
export interface IChatPendingDividerViewModel {
    readonly kind: "pendingDivider";
    readonly id: string;
    readonly sessionResource: URI;
    readonly isComplete: true;
    readonly dividerKind: ChatRequestQueueKind;
    currentRenderedHeight: number | undefined;
}
export interface IChatViewModelOptions {
    /**
     * Maximum number of items to return from getItems().
     * When set, only the last N items are returned (most recent request/response pairs).
     */
    readonly maxVisibleItems?: number;
}
export declare class ChatViewModel extends Disposable implements IChatViewModel {
    private readonly _model;
    readonly codeBlockModelCollection: CodeBlockModelCollection;
    private readonly _options;
    private readonly instantiationService;
    private readonly _onDidDisposeModel;
    readonly onDidDisposeModel: Event<void>;
    private readonly _onDidChange;
    readonly onDidChange: Event<IChatViewModelChangeEvent>;
    private readonly _items;
    private _inputPlaceholder;
    get inputPlaceholder(): string | undefined;
    get model(): IChatModel;
    setInputPlaceholder(text: string): void;
    resetInputPlaceholder(): void;
    get sessionResource(): URI;
    constructor(_model: IChatModel, codeBlockModelCollection: CodeBlockModelCollection, _options: IChatViewModelOptions | undefined, instantiationService: IInstantiationService);
    private onAddResponse;
    getItems(): (IChatRequestViewModel | IChatResponseViewModel | IChatPendingDividerViewModel)[];
    private _editing;
    get editing(): IChatRequestViewModel | undefined;
    setEditing(editing: IChatRequestViewModel | undefined): void;
    dispose(): void;
}
export declare class ChatRequestViewModel implements IChatRequestViewModel {
    private readonly _model;
    private readonly _pendingKind?;
    get id(): string;
    /**
     * An ID that changes when the request should be re-rendered.
     */
    get dataId(): string;
    get sessionResource(): URI;
    get username(): string;
    get avatarIcon(): ThemeIcon;
    get message(): IParsedChatRequest;
    get messageText(): string;
    get attempt(): number;
    get variables(): readonly IChatRequestVariableEntry[];
    get contentReferences(): readonly IChatContentReference[] | undefined;
    get confirmation(): string | undefined;
    get isComplete(): boolean;
    get isCompleteAddedRequest(): boolean;
    get shouldBeRemovedOnSend(): IChatRequestDisablement | undefined;
    get shouldBeBlocked(): IObservable<boolean>;
    get slashCommand(): IChatAgentCommand | undefined;
    get agentOrSlashCommandDetected(): boolean;
    currentRenderedHeight: number | undefined;
    get modelId(): string | undefined;
    get timestamp(): number;
    get pendingKind(): ChatRequestQueueKind | undefined;
    constructor(_model: IChatRequestModel, _pendingKind?: ChatRequestQueueKind | undefined);
}
export declare class ChatResponseViewModel extends Disposable implements IChatResponseViewModel {
    private readonly _model;
    readonly session: IChatViewModel;
    private readonly instantiationService;
    private readonly chatAgentNameService;
    private _modelChangeCount;
    private readonly _onDidChange;
    readonly onDidChange: Event<void>;
    get model(): IChatResponseModel;
    get id(): string;
    get dataId(): string;
    get sessionResource(): URI;
    get username(): string;
    get agent(): IChatAgentData | undefined;
    get slashCommand(): IChatAgentCommand | undefined;
    get agentOrSlashCommandDetected(): boolean;
    get response(): IResponse;
    get usedContext(): IChatUsedContext | undefined;
    get contentReferences(): ReadonlyArray<IChatContentReference>;
    get codeCitations(): ReadonlyArray<IChatCodeCitation>;
    get progressMessages(): ReadonlyArray<IChatProgressMessage>;
    get isComplete(): boolean;
    get isCanceled(): boolean;
    get shouldBeBlocked(): IObservable<boolean>;
    get shouldBeRemovedOnSend(): IChatRequestDisablement | undefined;
    get isCompleteAddedRequest(): boolean;
    get replyFollowups(): IChatFollowup[] | undefined;
    get result(): IChatAgentResult | undefined;
    get errorDetails(): IChatResponseErrorDetails | undefined;
    get vote(): ChatAgentVoteDirection | undefined;
    get voteDownReason(): ChatAgentVoteDownReason | undefined;
    get requestId(): string;
    get isStale(): boolean;
    get isLast(): boolean;
    renderData: IChatResponseRenderData | undefined;
    currentRenderedHeight: number | undefined;
    private _usedReferencesExpanded;
    get usedReferencesExpanded(): boolean | undefined;
    set usedReferencesExpanded(v: boolean);
    private _vulnerabilitiesListExpanded;
    get vulnerabilitiesListExpanded(): boolean;
    set vulnerabilitiesListExpanded(v: boolean);
    private readonly liveUpdateTracker;
    get contentUpdateTimings(): IChatStreamStats | undefined;
    constructor(_model: IChatResponseModel, session: IChatViewModel, instantiationService: IInstantiationService, chatAgentNameService: IChatAgentNameService);
    setVote(vote: ChatAgentVoteDirection): void;
    setVoteDownReason(reason: ChatAgentVoteDownReason | undefined): void;
    setEditApplied(edit: IChatTextEditGroup, editCount: number): void;
}