import { FontAwesomeIcon } from '@fortawesome/react-fontawesome';
import { Button, IconButton, Type } from 'browndash-components';
import { action, makeObservable, observable } from 'mobx';
import { observer } from 'mobx-react';
import * as React from 'react';
import { CgClose, CgCornerUpLeft } from 'react-icons/cg';
import ReactLoading from 'react-loading';
import { TypeAnimation } from 'react-type-animation';
import { ClientUtils } from '../../../../ClientUtils';
import { Doc } from '../../../../fields/Doc';
import { NumCast, StrCast } from '../../../../fields/Types';
import { Networking } from '../../../Network';
import { GPTCallType, gptAPICall, gptImageCall } from '../../../apis/gpt/GPT';
import { DocUtils } from '../../../documents/DocUtils';
import { Docs } from '../../../documents/Documents';
import { SettingsManager } from '../../../util/SettingsManager';
import { SnappingManager } from '../../../util/SnappingManager';
import { ObservableReactComponent } from '../../ObservableReactComponent';
import { DocumentView } from '../../nodes/DocumentView';
import { AnchorMenu } from '../AnchorMenu';
import './GPTPopup.scss';

export enum GPTPopupMode {
    SUMMARY,
    EDIT,
    IMAGE,
    FLASHCARD,
    DATA,
    CARD,
    SORT,
    QUIZ,
}

export enum GPTQuizType {
    CURRENT = 0,
    CHOOSE = 1,
    MULTIPLE = 2,
}

interface GPTPopupProps {}

@observer
export class GPTPopup extends ObservableReactComponent<GPTPopupProps> {
    // eslint-disable-next-line no-use-before-define
    static Instance: GPTPopup;
    private messagesEndRef: React.RefObject<HTMLDivElement>;

    @observable private chatMode: boolean = false;
    private correlatedColumns: string[] = [];

    @observable
    public visible: boolean = false;
    @action
    public setVisible = (vis: boolean) => {
        this.visible = vis;
    };
    @observable
    public loading: boolean = false;
    @action
    public setLoading = (loading: boolean) => {
        this.loading = loading;
    };
    @observable
    public text: string = '';
    @action
    public setText = (text: string) => {
        this.text = text;
    };
    @observable
    public selectedText: string = '';
    @action
    public setSelectedText = (text: string) => {
        this.selectedText = text;
    };
    @observable
    public dataJson: string = '';
    public dataChatPrompt: string | undefined = undefined;
    @action
    public setDataJson = (text: string) => {
        if (text === '') this.dataChatPrompt = '';
        this.dataJson = text;
    };

    @observable
    public imgDesc: string = '';
    @action
    public setImgDesc = (text: string) => {
        this.imgDesc = text;
    };

    @observable
    public imgUrls: string[][] = [];
    @action
    public setImgUrls = (imgs: string[][]) => {
        this.imgUrls = imgs;
    };

    @observable
    public mode: GPTPopupMode = GPTPopupMode.SUMMARY;
    @action
    public setMode = (mode: GPTPopupMode) => {
        this.mode = mode;
    };

    @observable
    public highlightRange: number[] = [];
    @action callSummaryApi = () => {};

    @observable
    private done: boolean = false;
    @action
    public setDone = (done: boolean) => {
        this.done = done;
        this.chatMode = false;
    };

    @observable
    private sortDone: boolean = false; // this is so redundant but the og done variable was causing weird unknown problems and im just a girl

    @action
    public setSortDone = (done: boolean) => {
        this.sortDone = done;
    };

    // change what can be a ref into a ref
    @observable
    private sidebarId: string = '';
    @action
    public setSidebarId = (id: string) => {
        this.sidebarId = id;
    };

    @observable
    private imgTargetDoc: Doc | undefined;
    @action
    public setImgTargetDoc = (anchor: Doc) => {
        this.imgTargetDoc = anchor;
    };

    @observable
    private textAnchor: Doc | undefined;
    @action
    public setTextAnchor = (anchor: Doc) => {
        this.textAnchor = anchor;
    };

    @observable
    public sortDesc: string = '';

    @action public setSortDesc = (t: string) => {
        this.sortDesc = t;
    };

    @observable onSortComplete?: (sortResult: string, questionType: string, tag?: string) => void;
    @observable onQuizRandom?: () => void;
    @observable cardsDoneLoading = false;

    @action setCardsDoneLoading(done: boolean) {
        console.log(done + 'HI HIHI');
        this.cardsDoneLoading = done;
    }

    @observable sortRespText: string = '';

    @action setSortRespText(resp: string) {
        this.sortRespText = resp;
    }

    @observable chatSortPrompt: string = '';

    sortPromptChanged = action((e: React.ChangeEvent<HTMLInputElement>) => {
        this.chatSortPrompt = e.target.value;
    });

    @observable quizAnswer: string = '';

    quizAnswerChanged = action((e: React.ChangeEvent<HTMLInputElement>) => {
        this.quizAnswer = e.target.value;
    });

    @observable conversationArray: string[] = ['Hi! In this pop up, you can ask ChatGPT questions about your documents and filter / sort them. '];

    /**
     * When the cards are in quiz mode in the card view, allows gpt to determine whether the user's answer was correct
     * @returns
     */
    generateQuiz = async () => {
        this.setLoading(true);
        this.setSortDone(false);

        const quizType = this.quizMode;

        const selected = DocumentView.SelectedDocs().lastElement();

        const questionText = 'Question: ' + StrCast(selected['gptInputText']);

        if (StrCast(selected['gptRubric']) === '') {
            const rubricText = 'Rubric: ' + (await this.generateRubric(StrCast(selected['gptInputText']), selected));
        }

        const rubricText = 'Rubric: ' + StrCast(selected['gptRubric']);
        const queryText = questionText + ' UserAnswer: ' + this.quizAnswer + '. ' + 'Rubric' + rubricText;

        try {
            const res = await gptAPICall(queryText, GPTCallType.QUIZ);
            if (!res) {
                console.error('GPT call failed');
                return;
            }
            console.log(res);
            this.setQuizResp(res);
            this.conversationArray.push(res);

            this.setLoading(false);
            this.setSortDone(true);
        } catch (err) {
            console.error('GPT call failed');
        }

        if (this.onQuizRandom) {
            this.onQuizRandom();
        }
    };

    /**
     * Generates a rubric by which to compare the user's answer to
     * @param inputText user's answer
     * @param doc the doc the user is providing info about
     * @returns gpt's response
     */
    generateRubric = async (inputText: string, doc: Doc) => {
        try {
            const res = await gptAPICall(inputText, GPTCallType.RUBRIC);
            doc['gptRubric'] = res;
            return res;
        } catch (err) {
            console.error('GPT call failed');
        }
    };

    @observable private regenerateCallback: (() => Promise<void>) | null = null;

    /**
     * Callback function that causes the card view to update the childpair string list
     * @param callback
     */
    @action public setRegenerateCallback(callback: () => Promise<void>) {
        this.regenerateCallback = callback;
    }

    public addDoc: (doc: Doc | Doc[], sidebarKey?: string | undefined) => boolean = () => false;
    public createFilteredDoc: (axes?: string[]) => boolean = () => false;
    public addToCollection: ((doc: Doc | Doc[], annotationKey?: string | undefined) => boolean) | undefined;

    @observable quizRespText: string = '';

    @action setQuizResp(resp: string) {
        this.quizRespText = resp;
    }

    /**
     * Generates a response to the user's question depending on the type of their question
     */
    generateCard = async () => {
        console.log(this.chatSortPrompt + 'USER PROMPT');
        this.setLoading(true);
        this.setSortDone(false);

        if (this.regenerateCallback) {
            await this.regenerateCallback();
        }

        try {
            // const res = await gptAPICall(this.sortDesc, GPTCallType.SORT, this.chatSortPrompt);
            const questionType = await gptAPICall(this.chatSortPrompt, GPTCallType.TYPE);
            const questionNumber = questionType.split(' ')[0];
            console.log(questionType);
            let res = '';

            switch (questionNumber) {
                case '1':
                case '2':
                case '4':
                    res = await gptAPICall(this.sortDesc, GPTCallType.SUBSET, this.chatSortPrompt);
                    break;
                case '6':
                    res = await gptAPICall(this.sortDesc, GPTCallType.SORT, this.chatSortPrompt);
                    break;
                default:
                    const selected = DocumentView.SelectedDocs().lastElement();
                    const questionText = StrCast(selected!['gptInputText']);

                    res = await gptAPICall(questionText, GPTCallType.INFO, this.chatSortPrompt);
                    break;
            }

            // Trigger the callback with the result
            if (this.onSortComplete) {
                this.onSortComplete(res || 'Something went wrong :(', questionNumber, questionType.split(' ').slice(1).join(' '));

                let explanation = res;

                if (questionType != '5' && questionType != '3') {
                    // Extract explanation surrounded by ------ at the top or both at the top and bottom
                    const explanationMatch = res.match(/------\s*([\s\S]*?)\s*(?:------|$)/) || [];
                    explanation = explanationMatch[1] ? explanationMatch[1].trim() : 'No explanation found';
                }

                // Set the extracted explanation to sortRespText
                this.setSortRespText(explanation);
                this.conversationArray.push(this.sortRespText);
                this.scrollToBottom();

                console.log(res);
            }
        } catch (err) {
            console.error(err);
        }

        this.setLoading(false);
        this.setSortDone(true);
    };

    /**
     * Generates a Dalle image and uploads it to the server.
     */
    generateImage = async () => {
        if (this.imgDesc === '') return undefined;
        this.setImgUrls([]);
        this.setMode(GPTPopupMode.IMAGE);
        this.setVisible(true);
        this.setLoading(true);

        try {
            const imageUrls = await gptImageCall(this.imgDesc);
            if (imageUrls && imageUrls[0]) {
                const [result] = await Networking.PostToServer('/uploadRemoteImage', { sources: [imageUrls[0]] });
                const source = ClientUtils.prepend(result.accessPaths.agnostic.client);
                this.setImgUrls([[imageUrls[0], source]]);
            }
        } catch (err) {
            console.error(err);
        }
        this.setLoading(false);
        return undefined;
    };

    /**
     * Completes an API call to generate a summary of
     * this.selectedText in the popup.
     */
    generateSummary = async () => {
        GPTPopup.Instance.setVisible(true);
        GPTPopup.Instance.setMode(GPTPopupMode.SUMMARY);
        GPTPopup.Instance.setLoading(true);

        try {
            const res = await gptAPICall(this.selectedText, GPTCallType.SUMMARY);
            GPTPopup.Instance.setText(res || 'Something went wrong.');
        } catch (err) {
            console.error(err);
        }
        GPTPopup.Instance.setLoading(false);
    };

    /**
     * Completes an API call to generate an analysis of
     * this.dataJson in the popup.
     */
    generateDataAnalysis = async () => {
        GPTPopup.Instance.setVisible(true);
        GPTPopup.Instance.setLoading(true);
        try {
            const res = await gptAPICall(this.dataJson, GPTCallType.DATA, this.dataChatPrompt);
            const json = JSON.parse(res! as string);
            const keys = Object.keys(json);
            this.correlatedColumns = [];
            this.correlatedColumns.push(json[keys[0]]);
            this.correlatedColumns.push(json[keys[1]]);
            GPTPopup.Instance.setText(json[keys[2]] || 'Something went wrong.');
        } catch (err) {
            console.error(err);
        }
        GPTPopup.Instance.setLoading(false);
    };

    /**
     * Transfers the summarization text to a sidebar annotation text document.
     */
    private transferToText = () => {
        const newDoc = Docs.Create.TextDocument(this.text.trim(), {
            _width: 200,
            _height: 50,
            _layout_fitWidth: true,
            _layout_autoHeight: true,
        });
        this.addDoc(newDoc, this.sidebarId);
        // newDoc.data = 'Hello world';
        const anchor = AnchorMenu.Instance?.GetAnchor(undefined, false);
        if (anchor) {
            DocUtils.MakeLink(newDoc, anchor, {
                link_relationship: 'GPT Summary',
            });
        }
    };

    /**
     * Creates a histogram to show the correlation relationship that was found
     */
    private createVisualization = () => {
        this.createFilteredDoc(this.correlatedColumns);
    };

    /**
     * Transfers the image urls to actual image docs
     */
    private transferToImage = (source: string) => {
        const textAnchor = this.textAnchor ?? this.imgTargetDoc;
        if (!textAnchor) return;
        const newDoc = Docs.Create.ImageDocument(source, {
            x: NumCast(textAnchor.x) + NumCast(textAnchor._width) + 10,
            y: NumCast(textAnchor.y),
            _height: 200,
            _width: 200,
            data_nativeWidth: 1024,
            data_nativeHeight: 1024,
        });
        if (Doc.IsInMyOverlay(textAnchor)) {
            newDoc.overlayX = textAnchor.x;
            newDoc.overlayY = NumCast(textAnchor.y) + NumCast(textAnchor._height);
            Doc.AddToMyOverlay(newDoc);
        } else {
            this.addToCollection?.(newDoc);
        }
        // Create link between prompt and image
        DocUtils.MakeLink(textAnchor, newDoc, { link_relationship: 'Image Prompt' });
    };

    /**
     * Creates a chatbox for analyzing data so that users can ask specific questions.
     */
    private chatWithAI = () => {
        this.chatMode = true;
    };
    dataPromptChanged = action((e: React.ChangeEvent<HTMLInputElement>) => {
        this.dataChatPrompt = e.target.value;
    });

    private getPreviewUrl = (source: string) => source.split('.').join('_m.');

    constructor(props: GPTPopupProps) {
        super(props);
        makeObservable(this);
        GPTPopup.Instance = this;
        this.messagesEndRef = React.createRef();
    }

    scrollToBottom = () => {
        setTimeout(() => {
            // Code to execute after 1 second (1000 ms)
            if (this.messagesEndRef.current) {
                this.messagesEndRef.current.scrollIntoView({ behavior: 'smooth', block: 'end' });
            }
        }, 50);
    };

    componentDidUpdate = () => {
        if (this.loading) {
            this.setDone(false);
        }
    };

    @observable quizMode: GPTQuizType = GPTQuizType.CURRENT;
    @action setQuizMode(g: GPTQuizType) {
        this.quizMode = g;
    }

    cardMenu = () => (
        <div className="btns-wrapper-gpt">
            <Button
                tooltip="Have ChatGPT sort, tag, define, or filter your cards for you!"
                text="Modify/Sort Cards!"
                onClick={() => this.setMode(GPTPopupMode.SORT)}
                color={StrCast(Doc.UserDoc().userVariantColor)}
                type={Type.TERT}
                style={{
                    width: '100%',
                    height: '40%',
                    textAlign: 'center',
                    color: '#ffffff',
                    fontSize: '16px',
                    marginBottom: '10px',
                }}
            />
            <Button
                tooltip="Test your knowledge with ChatGPT!"
                text="Quiz Cards!"
                onClick={() => {
                    this.conversationArray = ['Define the selected card!'];
                    this.setMode(GPTPopupMode.QUIZ);
                    if (this.onQuizRandom) {
                        this.onQuizRandom();
                    }
                }}
                color={StrCast(Doc.UserDoc().userVariantColor)}
                type={Type.TERT}
                style={{
                    width: '100%',
                    textAlign: 'center',
                    color: '#ffffff',
                    fontSize: '16px',
                    height: '40%',
                }}
            />
        </div>
    );

    handleKeyPress = async (e: React.KeyboardEvent, isSort: boolean) => {
        if (e.key === 'Enter') {
            e.stopPropagation();

            if (isSort) {
                this.conversationArray.push(this.chatSortPrompt);
                await this.generateCard();
                this.chatSortPrompt = '';
            } else {
                this.conversationArray.push(this.quizAnswer);
                await this.generateQuiz();
                this.quizAnswer = '';
            }

            this.scrollToBottom();
        }
    };

    cardActual = (opt: GPTPopupMode) => {
        const isSort = opt === GPTPopupMode.SORT;
        return (
            <div className="btns-wrapper-gpt">
                <div className="chat-wrapper">
                    <div className="chat-bubbles">
                        {this.conversationArray.map((message, index) => (
                            <div key={index} className={`chat-bubble ${index % 2 === 1 ? 'user-message' : 'chat-message'}`}>
                                {message}
                            </div>
                        ))}
                        {(!this.cardsDoneLoading || this.loading) && <div className={`chat-bubble chat-message`}>...</div>}
                    </div>

                    <div ref={this.messagesEndRef} style={{ height: '100px' }} />
                </div>

                <div className="inputWrapper">
                    <input
                        className="searchBox-input"
                        defaultValue=""
                        value={isSort ? this.chatSortPrompt : this.quizAnswer} // Controlled input
                        autoComplete="off"
                        onChange={isSort ? this.sortPromptChanged : this.quizAnswerChanged}
                        onKeyDown={e => {
                            this.handleKeyPress(e, isSort);
                        }}
                        type="text"
                        placeholder={`${isSort ? 'Have ChatGPT sort, tag, define, or filter your cards for you!' : 'Define the selected card!'}`}
                    />
                </div>
            </div>
        );
    };

    sortBox = () => (
        <div style={{ height: '80%' }}>
            {this.heading(this.mode === GPTPopupMode.SORT ? 'SORTING' : 'QUIZ')}
            <>
                {!this.cardsDoneLoading ? (
                    <div className="content-wrapper">
                        <div className="loading-spinner">
                            <ReactLoading type="spin" color={StrCast(Doc.UserDoc().userVariantColor)} height={30} width={30} />
                            {this.loading ? <span>Loading...</span> : <span>Reading Cards...</span>}
                        </div>
                    </div>
                ) : this.mode === GPTPopupMode.CARD ? (
                    this.cardMenu()
                ) : (
                    this.cardActual(this.mode)
                ) // Call the functions to render JSX
                }
            </>
        </div>
    );

    imageBox = () => (
        <div style={{ display: 'flex', flexDirection: 'column', gap: '1rem' }}>
            {this.heading('GENERATED IMAGE')}
            <div className="image-content-wrapper">
                {this.imgUrls.map((rawSrc, i) => (
                    <div key={rawSrc[0] + i} className="img-wrapper">
                        <div className="img-container">
                            <img key={rawSrc[0]} src={rawSrc[0]} width={150} height={150} alt="dalle generation" />
                        </div>
                        <div className="btn-container">
                            <Button text="Save Image" onClick={() => this.transferToImage(rawSrc[1])} color={StrCast(Doc.UserDoc().userColor)} type={Type.TERT} />
                        </div>
                    </div>
                ))}
            </div>
            {!this.loading && <IconButton tooltip="Generate Again" onClick={this.generateImage} icon={<FontAwesomeIcon icon="redo-alt" size="lg" />} color={StrCast(Doc.UserDoc().userVariantColor)} />}
        </div>
    );

    summaryBox = () => (
        <>
            <div>
                {this.heading('SUMMARY')}
                <div className="content-wrapper">
                    {!this.loading &&
                        (!this.done ? (
                            <TypeAnimation
                                speed={50}
                                sequence={[
                                    this.text,
                                    () => {
                                        setTimeout(() => {
                                            this.setDone(true);
                                        }, 500);
                                    },
                                ]}
                            />
                        ) : (
                            this.text
                        ))}
                </div>
            </div>
            {!this.loading && (
                <div className="btns-wrapper">
                    {this.done ? (
                        <>
                            <IconButton tooltip="Generate Again" onClick={this.generateSummary /* this.callSummaryApi */} icon={<FontAwesomeIcon icon="redo-alt" size="lg" />} color={StrCast(SettingsManager.userVariantColor)} />
                            <Button tooltip="Transfer to text" text="Transfer To Text" onClick={this.transferToText} color={StrCast(SettingsManager.userVariantColor)} type={Type.TERT} />
                        </>
                    ) : (
                        <div className="summarizing">
                            <span>Summarizing</span>
                            <ReactLoading type="bubbles" color="#bcbcbc" width={20} height={20} />
                            <Button
                                text="Stop Animation"
                                onClick={() => {
                                    this.setDone(true);
                                }}
                                color={StrCast(SettingsManager.userVariantColor)}
                                type={Type.TERT}
                            />
                        </div>
                    )}
                </div>
            )}
        </>
    );

    dataAnalysisBox = () => (
        <>
            <div>
                {this.heading('ANALYSIS')}
                <div className="content-wrapper">
                    {!this.loading &&
                        (!this.done ? (
                            <TypeAnimation
                                speed={50}
                                sequence={[
                                    this.text,
                                    () => {
                                        setTimeout(() => {
                                            this.setDone(true);
                                        }, 500);
                                    },
                                ]}
                            />
                        ) : (
                            this.text
                        ))}
                </div>
            </div>
            {!this.loading && (
                <div className="btns-wrapper">
                    {this.done ? (
                        this.chatMode ? (
                            <input
                                defaultValue=""
                                autoComplete="off"
                                onChange={this.dataPromptChanged}
                                onKeyDown={e => {
                                    e.key === 'Enter' ? this.generateDataAnalysis() : null;
                                    e.stopPropagation();
                                }}
                                type="text"
                                placeholder="Ask GPT a question about the data..."
                                id="search-input"
                                className="searchBox-input"
                                style={{ width: '100%' }}
                            />
                        ) : (
                            <>
                                <Button tooltip="Transfer to text" text="Transfer To Text" onClick={this.transferToText} color={StrCast(SnappingManager.userVariantColor)} type={Type.TERT} />
                                <Button tooltip="Chat with AI" text="Chat with AI" onClick={this.chatWithAI} color={StrCast(SnappingManager.userVariantColor)} type={Type.TERT} />
                            </>
                        )
                    ) : (
                        <div className="summarizing">
                            <span>Summarizing</span>
                            <ReactLoading type="bubbles" color="#bcbcbc" width={20} height={20} />
                            <Button
                                text="Stop Animation"
                                onClick={() => {
                                    this.setDone(true);
                                }}
                                color={StrCast(SnappingManager.userVariantColor)}
                                type={Type.TERT}
                            />
                        </div>
                    )}
                </div>
            )}
        </>
    );

    aiWarning = () =>
        this.done ? (
            <div className="ai-warning">
                <FontAwesomeIcon icon="exclamation-circle" size="sm" style={{ paddingRight: '5px' }} />
                AI generated responses can contain inaccurate or misleading content.
            </div>
        ) : null;

    heading = (headingText: string) => (
        <div className="summary-heading">
            <label className="summary-text">{headingText}</label>
            {this.loading ? (
                <ReactLoading type="spin" color="#bcbcbc" width={14} height={14} />
            ) : (
                <>
                    {(this.mode === GPTPopupMode.SORT || this.mode === GPTPopupMode.QUIZ) && (
                        <IconButton color={StrCast(SettingsManager.userVariantColor)} tooltip="back" icon={<CgCornerUpLeft size="16px" />} onClick={() => (this.mode = GPTPopupMode.CARD)} style={{ right: '50px', position: 'absolute' }} />
                    )}
                    <IconButton
                        color={StrCast(SettingsManager.userVariantColor)}
                        tooltip="close"
                        icon={<CgClose size="16px" />}
                        onClick={() => {
                            this.setVisible(false);
                        }}
                    />
                </>
            )}
        </div>
    );

    render() {
        let content;

        switch (this.mode) {
            case GPTPopupMode.SUMMARY:
                content = this.summaryBox();
                break;
            case GPTPopupMode.DATA:
                content = this.dataAnalysisBox();
                break;
            case GPTPopupMode.IMAGE:
                content = this.imageBox();
                break;
            case GPTPopupMode.SORT:
            case GPTPopupMode.CARD:
            case GPTPopupMode.QUIZ:
                content = this.sortBox();
                break;
            default:
                content = null;
        }

        return (
            <div className="summary-box" style={{ display: this.visible ? 'flex' : 'none' }}>
                {content}
                <div className="resize-handle" />
            </div>
        );
    }
}