import {beforeAll, describe, expect, it} from "vitest";
import _masterlist from '../../public/images/pokemon/variant/_masterlist.json';
import fs from 'fs';
import path from 'path';
import {getAppRootDir} from "#app/test/testUtils";

const deepCopy = (data) => {
    return JSON.parse(JSON.stringify(data));
}


describe("check if every variant's sprite are correctly set", () => {
    let masterlist;
    let expVariant;
    let femaleVariant;
    let backVariant;
    let rootDir;

    beforeAll(() => {
        rootDir = `${getAppRootDir()}${path.sep}public${path.sep}images${path.sep}pokemon${path.sep}variant${path.sep}`
        masterlist = deepCopy(_masterlist);
        expVariant = masterlist.exp;
        femaleVariant = masterlist.female;
        backVariant = masterlist.back;
        delete masterlist.exp
        delete masterlist.female
        delete masterlist.back
    });

    it('data should not be undefined', () => {
        expect(masterlist).not.toBeUndefined();
        expect(expVariant).not.toBeUndefined();
        expect(femaleVariant).not.toBeUndefined();
        expect(backVariant).not.toBeUndefined();
    });

    function getMissingMasterlist(mlist, dirpath, excludes = []) {
        const errors = [];
        if (fs.existsSync(dirpath)) {
            const files = fs.readdirSync(dirpath);
            for (const filename of files) {
                const filePath = `${dirpath}${filename}`
                const ext = filename.split('.')[1];
                const name = filename.split('.')[0];
                if (excludes.includes(name)) continue;
                if (name.includes('_')) {
                    const id = name.split('_')[0];
                    const variant = name.split('_')[1];
                    if (ext !== 'json') {
                        if (mlist.hasOwnProperty(id)) {
                            const urlJsonFile = `${dirpath}${id}.json`;
                            const jsonFileExists = fs.existsSync(urlJsonFile);
                            if (mlist[id].includes(1)) {
                                const msg = `MISSING JSON ${urlJsonFile}`;
                                if (!jsonFileExists && !errors.includes(msg)) errors.push(msg);
                            }
                        }
                        if (!mlist.hasOwnProperty(id)) errors.push(`missing key ${id} in masterlist for ${filePath}`);
                        else if (mlist[id][parseInt(variant, 10) - 1] !== 2) errors.push(`the value should be 2 for the index ${parseInt(variant, 10) - 1} - ${filePath}`);
                    }
                } else if (!mlist.hasOwnProperty(name)) errors.push(`named - missing key ${name} in masterlist for ${filePath}`);else {
                    const raw = fs.readFileSync(filePath, {encoding: 'utf8', flag: 'r'});
                    const data = JSON.parse(raw);
                    for (const key of Object.keys(data)) {
                        if (mlist[name][key] !== 1) errors.push(`the value should be 1 in the array ${filePath}`);
                    }
                }
            }
        }
        return errors;
    }

    function getMissingFiles(keys, dirPath) {
        const errors = [];
        for (const key of Object.keys(keys)) {
            const row = keys[key];
            for (const [index, elm] of row.entries()) {
                let url;
                if (elm === 0) continue
                else if (elm === 1) {
                    url = `${key}.json`
                    let filePath = `${dirPath}${url}`;
                    const raw = fs.readFileSync(filePath, {encoding: 'utf8', flag: 'r'});
                    const data = JSON.parse(raw);
                    if (!data.hasOwnProperty(index)) {
                        errors.push(`index: ${index} - ${filePath}`);
                    }
                } else if (elm === 2) {
                    url = `${key}_${parseInt(index, 10) + 1}.png`;
                    let filePath = `${dirPath}${url}`;
                    if (!fs.existsSync(filePath)) {
                        errors.push(filePath)
                    }

                    url = `${key}_${parseInt(index, 10) + 1}.json`;
                    filePath = `${dirPath}${url}`;
                    if (!fs.existsSync(filePath)) {
                        errors.push(filePath)
                    }
                }
            }
        }
        return errors;
    }

    // chech presence of every files listed in masterlist

    it('check root variant files', () => {
        const dirPath = rootDir;
        const errors = getMissingFiles(masterlist, dirPath);
        if (errors.length) console.log('errors', errors);
        expect(errors.length).toBe(0);
    });

    it('check female variant files', () => {
        const dirPath = `${rootDir}female${path.sep}`;
        const errors = getMissingFiles(femaleVariant, dirPath);
        if (errors.length) console.log('errors', errors);
        expect(errors.length).toBe(0);
    });

    it('check back female variant files', () => {
        const dirPath = `${rootDir}back${path.sep}female${path.sep}`;
        const errors = getMissingFiles(backVariant.female, dirPath);
        if (errors.length) console.log('errors', errors);
        expect(errors.length).toBe(0);
    });

    it('check back male back variant files', () => {
        const dirPath = `${rootDir}back${path.sep}`;
        let backMaleVariant = deepCopy(backVariant);
        delete backMaleVariant.female;
        const errors = getMissingFiles(backMaleVariant, dirPath);
        if (errors.length) console.log('errors', errors);
        expect(errors.length).toBe(0);
    });

    it('check exp back variant files', () => {
        const dirPath = `${rootDir}exp${path.sep}back${path.sep}`;
        const errors = getMissingFiles(expVariant.back, dirPath);
        if (errors.length) console.log('errors', errors);
        expect(errors.length).toBe(0);
    });

    it('check exp female variant files', () => {
        const dirPath = `${rootDir}exp${path.sep}female${path.sep}`;
        const errors = getMissingFiles(expVariant.female, dirPath);
        if (errors.length) console.log('errors', errors);
        expect(errors.length).toBe(0);
    });

    it('check exp male variant files', () => {
        const dirPath = `${rootDir}exp${path.sep}`;
        let expMaleVariant = deepCopy(expVariant);
        delete expMaleVariant.female;
        delete expMaleVariant.back;
        const errors = getMissingFiles(expMaleVariant, dirPath);
        if (errors.length) console.log('errors', errors);
        expect(errors.length).toBe(0);
    });

    // check over every file if it's correctly set in the masterlist

    it('look over every file in variant female and check if present in masterlist', () => {
        const dirPath = `${rootDir}female${path.sep}`;
        const errors = getMissingMasterlist(femaleVariant, dirPath);
        if (errors.length) console.log('errors for ', dirPath, errors);
        expect(errors.length).toBe(0);
    });

    it('look over every file in variant back female and check if present in masterlist', () => {
        const dirPath = `${rootDir}back${path.sep}female${path.sep}`;
        const errors = getMissingMasterlist(backVariant.female, dirPath);
        if (errors.length) console.log('errors for ', dirPath, errors);
        expect(errors.length).toBe(0);
    });

    it('look over every file in variant back male and check if present in masterlist', () => {
        const dirPath = `${rootDir}back${path.sep}`;
        let backMaleVariant = deepCopy(backVariant);
        const errors = getMissingMasterlist(backMaleVariant, dirPath, ['female']);
        if (errors.length) console.log('errors for ', dirPath, errors);
        expect(errors.length).toBe(0);
    });

    it('look over every file in variant exp back and check if present in masterlist', () => {
        const dirPath = `${rootDir}exp${path.sep}back${path.sep}`;
        const errors = getMissingMasterlist(expVariant.back, dirPath);
        if (errors.length) console.log('errors for ', dirPath, errors);
        expect(errors.length).toBe(0);
    });

    it('look over every file in variant exp female and check if present in masterlist', () => {
        const dirPath = `${rootDir}exp${path.sep}female${path.sep}`;
        const errors = getMissingMasterlist(expVariant.female, dirPath);
        if (errors.length) console.log('errors for ', dirPath, errors);
        expect(errors.length).toBe(0);
    });

    it('look over every file in variant exp male and check if present in masterlist', () => {
        const dirPath = `${rootDir}exp${path.sep}`;
        const errors = getMissingMasterlist(expVariant, dirPath, ['back', 'female']);
        if (errors.length) console.log('errors for ', dirPath, errors);
        expect(errors.length).toBe(0);
    });

    it('look over every file in variant root and check if present in masterlist', () => {
        const dirPath = `${rootDir}`;
        const errors = getMissingMasterlist(masterlist, dirPath, ['back', 'female', 'exp', 'icons']);
        if (errors.length) console.log('errors for ', dirPath, errors);
        expect(errors.length).toBe(0);
    });
});