"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
const tslib_1 = require("tslib");
const debug_1 = tslib_1.__importDefault(require("debug"));
const path_1 = tslib_1.__importDefault(require("path"));
const utils = tslib_1.__importStar(require("../utils"));
const debug = (0, debug_1.default)('egg-ts-helper#generators_class');
function ClassGenerator(config, baseConfig) {
    const fileList = config.fileList;
    const dist = path_1.default.resolve(config.dtsDir, config.distName);
    debug('file list : %o', fileList);
    if (!fileList.length) {
        return { dist };
    }
    // using to compose import code
    let importStr = '';
    // using to create interface mapping
    const interfaceMap = {};
    fileList.forEach(f => {
        const { props, moduleName: sModuleName } = utils.getModuleObjByPath(f);
        const moduleName = `Export${sModuleName}`;
        const importContext = utils.getImportStr(config.dtsDir, path_1.default.join(config.dir, f), moduleName);
        importStr += `${importContext}\n`;
        // create mapping
        let collector = interfaceMap;
        while (props.length) {
            const name = utils.camelProp(props.shift(), config.caseStyle || baseConfig.caseStyle);
            if (!props.length) {
                collector[name] = moduleName;
            }
            else {
                collector = collector[name] = typeof collector[name] === 'object' ? collector[name] : Object.create(Object.prototype, {
                    parentModuleName: {
                        value: typeof collector[name] === 'string' ? collector[name] : undefined,
                    },
                });
            }
        }
    });
    // interface name
    const interfaceName = config.interface || `T_${config.name.replace(/[\.\-]/g, '_')}`;
    // add mount interface
    let declareInterface;
    if (config.declareTo) {
        const interfaceList = config.declareTo.split('.');
        declareInterface = composeInterface(interfaceList.slice(1).concat(interfaceName), interfaceList[0], undefined, '  ');
    }
    return {
        dist,
        content: `${importStr}\n` +
            `declare module '${config.framework || baseConfig.framework}' {\n` +
            (declareInterface ? `${declareInterface}\n` : '') +
            composeInterface(interfaceMap, interfaceName, utils.strToFn(config.interfaceHandle), '  ') +
            '}\n',
    };
}
exports.default = ClassGenerator;
ClassGenerator.defaultConfig = {
    distName: 'index.d.ts',
};
// composing all the interface
function composeInterface(obj, wrapInterface, preHandle, indent) {
    let prev = '';
    let mid = '';
    let after = '';
    indent = indent || '';
    if (wrapInterface) {
        prev = `${indent}interface ${wrapInterface} {\n`;
        after = `${indent}}\n`;
        indent += '  ';
    }
    // compose array to object
    // ['abc', 'bbc', 'ccc'] => { abc: { bbc: 'ccc' } }
    if (Array.isArray(obj)) {
        let curr = obj.pop();
        while (obj.length) {
            curr = { [obj.pop()]: curr };
        }
        obj = curr;
    }
    Object.keys(obj).forEach(key => {
        const val = obj[key];
        if (typeof val === 'string') {
            mid += `${indent + key}: ${preHandle ? preHandle(val) : val};\n`;
        }
        else {
            const newVal = composeInterface(val, undefined, preHandle, indent + '  ');
            if (newVal) {
                mid += `${indent + key}: ${val.parentModuleName ? `${val.parentModuleName} & ` : ''}{\n${newVal + indent}}\n`;
            }
        }
    });
    return `${prev}${mid}${after}`;
}