/*
 * Copyright (C) Noverant, Inc - All Rights Reserved Unauthorized copying of this file, via any
 * medium is strictly prohibited Proprietary and confidential
 */

import {BaseCMI, CMIArray, CMIScore} from './common';
import {scorm12_constants, scorm12_error_codes} from "../constants";
import {scorm12_regex} from "../regex";

const constants = scorm12_constants;
const regex = scorm12_regex;

function throwReadOnlyError(API) {
    API.throwSCORMError(scorm12_error_codes.READ_ONLY_ELEMENT);
}

function throwWriteOnlyError(API) {
    API.throwSCORMError(scorm12_error_codes.WRITE_ONLY_ELEMENT);
}

function throwInvalidValueError(API) {
    API.throwSCORMError(scorm12_error_codes.INVALID_SET_VALUE);
}

export class CMI extends BaseCMI {
    #_children = "";
    #_version = "3.4";
    #suspend_data = "";
    #launch_data = "";
    #comments = "";
    #comments_from_lms = "";

    student_data = null;

    constructor(API, cmi_children, student_data) {
        super(API);

        this.#_children = cmi_children ? cmi_children : constants.cmi_children;
        this.core = new CMICore(API);
        this.objectives = new CMIObjectives(API);
        this.student_data = student_data ? student_data : new CMIStudentData(API);
        this.student_preference = new CMIStudentPreference(API);
        this.interactions = new CMIInteractions(API);
    }

    toJSON = () => {
        this.jsonString = true;
        const result = {
            'suspend_data': this.suspend_data,
            'launch_data': this.launch_data,
            'comments': this.comments,
            'comments_from_lms': this.comments_from_lms,
            'core': this.core,
            'objectives': this.objectives,
            'student_data': this.student_data,
            'student_preference': this.student_preference,
            'interactions': this.interactions
        };
        delete this.jsonString;
        return result;
    };

    get _version() { return this.#_version; }
    set _version(_version) { throwInvalidValueError(this.API); }

    get _children() { return this.#_children; }
    set _children(_children) { throwInvalidValueError(this.API); }

    get suspend_data() { return this.#suspend_data; }
    set suspend_data(suspend_data) {
        if(this.API.checkValidFormat(suspend_data, regex.CMIString4096)) {
            this.#suspend_data = suspend_data;
        }
    }

    get launch_data() { return this.#launch_data; }
    set launch_data(launch_data) { this.API.isNotInitialized() ? this.#launch_data = launch_data : throwReadOnlyError(this.API); }

    get comments() { return this.#comments; }
    set comments(comments) {
        if(this.API.checkValidFormat(comments, regex.CMIString4096)) {
            this.#comments = comments;
        }
    }

    get comments_from_lms() { return this.#comments_from_lms; }
    set comments_from_lms(comments_from_lms) { this.API.isNotInitialized() ? this.#comments_from_lms = comments_from_lms : throwReadOnlyError(this.API); }
}

class CMICore extends BaseCMI {
    constructor(API) {
        super(API);

        this.score = new CMIScore(API, constants.score_children, regex.score_range);
    }

    #_children =  constants.core_children;
    #student_id = "";
    #student_name = "";
    #lesson_location = "";
    #credit = "";
    #lesson_status = "";
    #entry = "";
    #total_time = "";
    #lesson_mode = "normal";
    #exit = "";
    #session_time = "00:00:00";

    get _children() { return this.#_children; }
    set _children(_children) { throwInvalidValueError(this.API); }

    get student_id() { return this.#student_id; }
    set student_id(student_id) { this.API.isNotInitialized() ? this.#student_id = student_id : throwReadOnlyError(this.API); }

    get student_name() { return this.#student_name; }
    set student_name(student_name) { this.API.isNotInitialized() ? this.#student_name = student_name : throwReadOnlyError(this.API); }

    get lesson_location() { return this.#lesson_location; }
    set lesson_location(lesson_location) {
        if(this.API.checkValidFormat(lesson_location, regex.CMIString256)) {
            this.#lesson_location = lesson_location;
        }
    }

    get credit() { return this.#credit; }
    set credit(credit) { this.API.isNotInitialized() ? this.#credit = credit : throwReadOnlyError(this.API); }

    get lesson_status() { return this.#lesson_status; }
    set lesson_status(lesson_status) {
        if(this.API.checkValidFormat(lesson_status, regex.CMIStatus)) {
            this.#lesson_status = lesson_status;
        }
    }

    get entry() { return this.#entry; }
    set entry(entry) { this.API.isNotInitialized() ? this.#entry = entry : throwReadOnlyError(this.API); }

    get total_time() { return this.#total_time; }
    set total_time(total_time) { this.API.isNotInitialized() ? this.#total_time = total_time : throwReadOnlyError(this.API); }

    get lesson_mode() { return this.#lesson_mode; }
    set lesson_mode(lesson_mode) { this.API.isNotInitialized() ? this.#lesson_mode = lesson_mode : throwReadOnlyError(this.API); }

    get exit() { return (!this.jsonString) ? throwWriteOnlyError(this.API) : this.#exit; }
    set exit(exit) {
        if(this.API.checkValidFormat(exit, regex.CMIExit)) {
            this.#exit = exit;
        }
    }

    get session_time() { return (!this.jsonString) ? throwWriteOnlyError(this.API) : this.#session_time; }
    set session_time(session_time) {
        if(this.API.checkValidFormat(session_time, regex.CMITimespan)) {
            this.#session_time = session_time;
        }
    }

    toJSON = () => {
        this.jsonString = true;
        const result = {
            'student_id': this.student_id,
            'student_name': this.student_name,
            'lesson_location': this.lesson_location,
            'credit': this.credit,
            'lesson_status': this.lesson_status,
            'entry': this.entry,
            'total_time': this.total_time,
            'lesson_mode': this.lesson_mode,
            'exit': this.exit,
            'session_time': this.session_time,
            'score': this.score
        };
        delete this.jsonString;
        return result;
    }
}

class CMIObjectives extends CMIArray {
    constructor(API) {
        super({
            API: API,
            children: constants.objectives_children,
            errorCode: scorm12_error_codes.INVALID_SET_VALUE
        });
    }
}


export class CMIStudentData extends BaseCMI {
    #_children;
    #mastery_score = "";
    #max_time_allowed = "";
    #time_limit_action = "";

    constructor(API, student_data_children) {
        super(API);

        this.#_children = student_data_children? student_data_children : constants.student_data_children;
    }

    get _children() { return this.#_children; }
    set _children(_children) { throwInvalidValueError(this.API); }

    get mastery_score() { return this.#mastery_score; }
    set mastery_score(mastery_score) { this.API.isNotInitialized() ? this.#mastery_score = mastery_score : throwReadOnlyError(this.API); }

    get max_time_allowed() { return this.#max_time_allowed; }
    set max_time_allowed(max_time_allowed) { this.API.isNotInitialized() ? this.#max_time_allowed = max_time_allowed : throwReadOnlyError(this.API); }

    get time_limit_action() { return this.#time_limit_action; }
    set time_limit_action(time_limit_action) { this.API.isNotInitialized() ? this.#time_limit_action = time_limit_action : throwReadOnlyError(this.API); }

    toJSON = () => {
        this.jsonString = true;
        const result = {
            'mastery_score': this.mastery_score,
            'max_time_allowed': this.max_time_allowed,
            'time_limit_action': this.time_limit_action
        };
        delete this.jsonString;
        return result;
    }
}

class CMIStudentPreference extends BaseCMI {
    constructor(API) {
        super(API);
    }

    #_children = constants.student_preference_children;
    #audio = "";
    #language = "";
    #speed = "";
    #text = "";

    get _children() { return this.#_children; }
    set _children(_children) { throwInvalidValueError(this.API); }

    get audio() { return this.#audio; }
    set audio(audio) {
        if(this.API.checkValidFormat(audio, regex.CMISInteger)
            && this.API.checkValidRange(audio, regex.audio_range)) {
            this.#audio = audio;
        }
    }

    get language() { return this.#language; }
    set language(language) {
        if(this.API.checkValidFormat(language, regex.CMIString256)) {
            this.#language = language;
        }
    }

    get speed() { return this.#speed; }
    set speed(speed) {
        if(this.API.checkValidFormat(speed, regex.CMISInteger)
            && this.API.checkValidRange(speed, regex.speed_range)) {
            this.#speed = speed;
        }
    }

    get text() { return this.#text; }
    set text(text) {
        if(this.API.checkValidFormat(text, regex.CMISInteger)
            && this.API.checkValidRange(text, regex.text_range)) {
            this.#text = text;
        }
    }

    toJSON = () => {
        this.jsonString = true;
        const result = {
            'audio': this.audio,
            'language': this.language,
            'speed': this.speed,
            'text': this.text
        };
        delete this.jsonString;
        return result;
    }
}

class CMIInteractions extends CMIArray {
    constructor(API) {
        super({
            API: API,
            children: constants.interactions_children,
            errorCode: scorm12_error_codes.INVALID_SET_VALUE
        });
    }
}

export class CMIInteractionsObject extends BaseCMI {
    constructor(API) {
        super(API);

        this.objectives = new CMIArray({
            API: API,
            errorCode: 402,
            children: constants.objectives_children
        });
        this.correct_responses = new CMIArray({
            API: API,
            errorCode: 402,
            children: constants.correct_responses_children
        });
    }

    #id: "";
    #time: "";
    #type: "";
    #weighting: "";
    #student_response: "";
    #result: "";
    #latency: "";

    get id() { return (!this.jsonString) ? throwWriteOnlyError(this.API) : this.#id; }
    set id(id) {
        if(this.API.checkValidFormat(id, regex.CMIIdentifier)) {
            this.#id = id;
        }
    }

    get time() { return (!this.jsonString) ? throwWriteOnlyError(this.API) : this.#time; }
    set time(time) {
        if(this.API.checkValidFormat(time, regex.CMITime)) {
            this.#time = time;
        }
    }

    get type() { return (!this.jsonString) ? throwWriteOnlyError(this.API) : this.#type; }
    set type(type) {
        if(this.API.checkValidFormat(type, regex.CMIType)) {
            this.#type = type;
        }
    }

    get weighting() { return (!this.jsonString) ? throwWriteOnlyError(this.API) : this.#weighting; }
    set weighting(weighting) {
        if(this.API.checkValidFormat(weighting, regex.CMIDecimal)
            && this.API.checkValidRange(weighting, regex.weighting_range)) {
            this.#weighting = weighting;
        }
    }

    get student_response() { return (!this.jsonString) ? throwWriteOnlyError(this.API) : this.#student_response; }
    set student_response(student_response) {
        if(this.API.checkValidFormat(student_response, regex.CMIFeedback)) {
            this.#student_response = student_response;
        }
    }

    get result() { return (!this.jsonString) ? throwWriteOnlyError(this.API) : this.#result; }
    set result(result) {
        if(this.API.checkValidFormat(result, regex.CMIResult)) {
            this.#result = result;
        }
    }

    get latency() { return (!this.jsonString) ? throwWriteOnlyError(this.API) : this.#latency; }
    set latency(latency) {
        if(this.API.checkValidFormat(latency, regex.CMITimespan)) {
            this.#latency = latency;
        }
    }

    toJSON = () => {
        this.jsonString = true;
        const result = {
            'id': this.id,
            'time': this.time,
            'type': this.type,
            'weighting': this.weighting,
            'student_response': this.student_response,
            'result': this.result,
            'latency': this.latency,
            'objectives': this.objectives,
            'correct_responses': this.correct_responses
        };
        delete this.jsonString;
        return result;
    }
}

export class CMIObjectivesObject extends BaseCMI {
    constructor(API) {
        super(API);

        this.score = new CMIScore(API);
    }

    #id: "";
    #status: "";

    get id() { return this.#id; }
    set id(id) {
        if(this.API.checkValidFormat(id, regex.CMIIdentifier)) {
            this.#id = id;
        }
    }

    get status() { return this.#status; }
    set status(status) {
        if(this.API.checkValidFormat(status, regex.CMIStatus2)) {
            this.#status = status;
        }
    }

    toJSON = () => {
        this.jsonString = true;
        const result = {
            'id': this.id,
            'status': this.status,
            'score': this.score
        };
        delete this.jsonString;
        return result;
    }
}

export class CMIInteractionsObjectivesObject extends BaseCMI {
    constructor(API) {
        super(API);
    }

    #id: "";

    get id() { return this.#id; }
    set id(id) {
        if(this.API.checkValidFormat(id, regex.CMIIdentifier)) {
            this.#id = id;
        }
    }

    toJSON = () => {
        this.jsonString = true;
        const result = {
            'id': this.id,
        };
        delete this.jsonString;
        return result;
    }
}

export class CMIInteractionsCorrectResponsesObject extends BaseCMI {
    constructor(API) {
        super(API);
    }

    #pattern: "";

    get pattern() { return this.#pattern; }
    set pattern(pattern) {
        if(this.API.checkValidFormat(pattern, regex.CMIFeedback)) {
            this.#pattern = pattern;
        }
    }

    toJSON = () => {
        this.jsonString = true;
        const result = {
            'pattern': this.pattern,
        };
        delete this.jsonString;
        return result;
    }
}