import { POINTER_SIZE, getSizeMultiplierFromArrayData } from './common';
import { getStructure } from './map';

export interface Property {
    propertyOffset(): number;
    propertySize(): number;
    propertyType(): string;
    propertyName(): string;
    propertyAlignment(): number;
}

export class SimpleProperty implements Property {
    readonly #offset: number;
    readonly #type: string;
    readonly #name: string;
    readonly #arraySizeMultiplier: number;

    // Constructor
    constructor(offset: number, type: string, name: string) {
        this.#offset = offset;
        this.#type = type;
        this.#name = name;
        this.#arraySizeMultiplier = getSizeMultiplierFromArrayData(this.#name);
    }

    // Getters
    propertyOffset() {
        return this.#offset;
    }
    propertyType() {
        return this.#type;
    }
    propertyName() {
        return this.#name;
    }

    // Size
    #rawPropertySize() {
        if (this.#type.endsWith('*')) {
            // Pointer
            return POINTER_SIZE;
        } else if (this.#type === 'int' || this.#type === 'uint') {
            // Integer
            return 4;
        } else if (this.#type === 'float') {
            // Float
            return 4;
        } else if (this.#type === 'bool') {
            // Boolean
            return 1;
        } else if (this.#type === 'std::string') {
            // C++ String
            return 4;
        } else if (this.#type === 'char' || this.#type === 'uchar') {
            // Character
            return 1;
        } else if (this.#type === 'short' || this.#type === 'ushort') {
            // Short
            return 2;
        } else if (this.#type.startsWith('std::vector<')) {
            // C++ Vector
            return 12;
        } else {
            // Structure
            const structure = getStructure(this.#type);
            return structure.getSize(true);
        }
    }
    propertySize() {
        return this.#arraySizeMultiplier * this.#rawPropertySize();
    }

    // Alignment
    propertyAlignment() {
        if (this.#type.endsWith('*')) {
            // Pointer
            return POINTER_SIZE;
        } else if (this.#type === 'int' || this.#type === 'uint') {
            // Integer
            return 4;
        } else if (this.#type === 'float') {
            // Float
            return 4;
        } else if (this.#type === 'bool') {
            // Boolean
            return 1;
        } else if (this.#type === 'std::string') {
            // C++ String
            return 4;
        } else if (this.#type === 'char' || this.#type === 'uchar') {
            // Character
            return 1;
        } else if (this.#type === 'short' || this.#type === 'ushort') {
            // Short
            return 2;
        } else if (this.#type.startsWith('std::vector<')) {
            // C++ Vector
            return 4;
        } else {
            // Structure
            const structure = getStructure(this.#type);
            return structure.getAlignment();
        }
    }
}

export class StaticProperty {
    readonly address: number;
    readonly #type: string;
    readonly #name: string;
    readonly #self: string;
    readonly #isArray: boolean;

    // Constructor
    constructor(address: number, type: string, name: string, self: string, isArray: boolean) {
        if (name.includes('[')) {
            throw new Error('Use "static-property-array" For Arrays');
        }
        this.address = address;
        this.#type = type;
        this.#name = name;
        this.#self = self;
        this.#isArray = isArray;
    }

    // Name And Type
    getName() {
        return `${this.#self}_${this.#name}`;
    }
    getPointerType() {
        let type = this.#type;
        // Convert Type To Pointer
        if (!type.endsWith('*')) {
            type += ' ';
        }
        type += '*';
        // Return
        return type;
    }

    // Generate Variable Definition
    generateDefinition() {
        return `${this.getPointerType()}${this.getName()}_pointer;\n`;
    }

    // Generate Macro
    generateMacro() {
        return `#define ${this.getName()} (${this.#isArray ? '' : '*'}${this.getName()}_pointer)\n`;
    }
}