import Configuration from "../Configuration.js"
import Grammar from "../serialization/Grammar.js"
import IEntity from "./IEntity.js"
import Parsernostrum from "parsernostrum"
import Utility from "../Utility.js"

export default class ObjectReferenceEntity extends IEntity {

    static attributes = {
        ...super.attributes,
        type: {
            default: "",
        },
        path: {
            default: "",
        },
    }
    static {
        this.cleanupAttributes(this.attributes)
    }
    static quoted = Parsernostrum.regArray(new RegExp(
        `'"(` + Grammar.Regex.InsideString.source + `)"'`
        + `|'(` + Grammar.Regex.InsideSingleQuotedString.source + `)'`
        + `|"(` + Grammar.Regex.InsideString.source + `)"`
    )).map(([_0, a, b, c]) => a ?? b ?? c)
    static path = this.quoted.getParser().parser.regexp.source + "|" + Grammar.Regex.Path.source
    static typeReference = Parsernostrum.reg(
        new RegExp(Grammar.Regex.Path.source + "|" + Grammar.symbol.getParser().regexp.source)
    )
    static fullReferenceGrammar = Parsernostrum.regArray(
        new RegExp(
            "(" + this.typeReference.getParser().regexp.source + ")"
            + /\s*/.source
            + "(?:" + this.quoted.getParser().parser.regexp.source + ")"
        )
    ).map(([_0, type, ...path]) => new this({ type, path: path.find(v => v) }))
    static fullReferenceSerializedGrammar = Parsernostrum.regArray(
        new RegExp(
            "(" + this.typeReference.getParser().regexp.source + ")"
            + /\s*/.source
            + `'(` + Grammar.Regex.InsideSingleQuotedString.source + `)'`
        )
    ).map(([_0, type, ...path]) => new this({ type, path: path.find(v => v) }))
    static typeReferenceGrammar = this.typeReference.map(v => new this({ type: v, path: "" }))
    static grammar = this.createGrammar()

    static createGrammar() {
        return Parsernostrum.alt(
            Parsernostrum.seq(
                Parsernostrum.str('"'),
                Parsernostrum.alt(
                    this.fullReferenceSerializedGrammar,
                    this.typeReferenceGrammar,
                ),
                Parsernostrum.str('"'),
            ).map(([_0, objectReference, _1]) => objectReference),
            this.fullReferenceGrammar,
            this.typeReferenceGrammar,
        )
    }

    constructor(values = {}) {
        if (values.constructor === String) {
            values = {
                path: values
            }
        }
        super(values)
        /** @type {String} */ this.type
        /** @type {String} */ this.path
    }

    static createNoneInstance() {
        return new ObjectReferenceEntity({ type: "None", path: "" })
    }

    sanitize() {
        if (this.type && !this.type.startsWith("/")) {
            let deprecatedType = this.type + "_Deprecated"
            let path = Object.keys(Configuration.paths)
                .find(type => {
                    const name = Utility.getNameFromPath(Configuration.paths[type])
                    return name === this.type || name === deprecatedType
                })
            if (path) {
                this.type = Configuration.paths[path]
            }
        }
    }

    getName() {
        return Utility.getNameFromPath(this.path.replace(/_C$/, ""))
    }

    toString() {
        return this.type + (this.path ? `'${this.path}'` : "")
    }
}