"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.checkConfigReturnType = void 0;
const tslib_1 = require("tslib");
const fs_1 = tslib_1.__importDefault(require("fs"));
const path_1 = tslib_1.__importDefault(require("path"));
const typescript_1 = tslib_1.__importDefault(require("typescript"));
const config_1 = require("../config");
const utils = tslib_1.__importStar(require("../utils"));
const base_1 = require("./base");
const EXPORT_DEFAULT_FUNCTION = 1;
const EXPORT_DEFAULT = 2;
const EXPORT = 3;
const globalCache = {};
class ConfigGenerator extends base_1.BaseGenerator {
    buildParams(config) {
        const { baseConfig } = this;
        const fileList = config.fileList;
        const cache = globalCache[baseConfig.id] = globalCache[baseConfig.id] || {};
        if (!fileList.length)
            return;
        const importList = [];
        const declarationList = [];
        const moduleList = [];
        fileList.forEach(f => {
            const abUrl = path_1.default.resolve(config.dir, f);
            // read from cache
            if (!cache[abUrl] || config.file === abUrl) {
                const skipLibCheck = !!baseConfig.tsConfig.skipLibCheck;
                const { type, usePowerPartial } = checkConfigReturnType(abUrl);
                // skip when not usePowerPartial and skipLibCheck in ts file
                // because it maybe cause types error.
                if (path_1.default.extname(f) !== '.js' && !usePowerPartial && !skipLibCheck)
                    return;
                const { moduleName: sModuleName } = utils.getModuleObjByPath(f);
                const moduleName = `Export${sModuleName}`;
                const importContext = utils.getImportStr(config.dtsDir, abUrl, moduleName, type === EXPORT);
                let tds = `type ${sModuleName} = `;
                if (type === EXPORT_DEFAULT_FUNCTION) {
                    tds += `ReturnType<typeof ${moduleName}>;`;
                }
                else if (type === EXPORT_DEFAULT || type === EXPORT) {
                    tds += `typeof ${moduleName};`;
                }
                else {
                    return;
                }
                // cache the file
                cache[abUrl] = {
                    import: importContext,
                    declaration: tds,
                    moduleName: sModuleName,
                };
            }
            const cacheItem = cache[abUrl];
            importList.push(cacheItem.import);
            declarationList.push(cacheItem.declaration);
            moduleList.push(cacheItem.moduleName);
        });
        return {
            importList,
            declarationList,
            moduleList,
        };
    }
    renderWithParams(config, params) {
        const dist = path_1.default.resolve(config.dtsDir, 'index.d.ts');
        if (!params)
            return { dist };
        if (!params.importList.length)
            return { dist };
        const { baseConfig } = this;
        const { importList, declarationList, moduleList } = params;
        const newConfigType = `New${config.interface}`;
        return {
            dist,
            content: `import { ${config.interface} } from '${baseConfig.framework}';\n` +
                `${importList.join('\n')}\n` +
                `${declarationList.join('\n')}\n` +
                `type ${newConfigType} = ${moduleList.join(' & ')};\n` +
                `declare module '${baseConfig.framework}' {\n` +
                `  interface ${config.interface} extends ${newConfigType} { }\n` +
                '}',
        };
    }
}
exports.default = ConfigGenerator;
ConfigGenerator.defaultConfig = {
    // only need to parse config.default.ts or config.ts
    pattern: 'config(.default|).(ts|js)',
    interface: config_1.declMapping.config,
};
// check config return type.
function checkConfigReturnType(f) {
    const result = utils.findExportNode(fs_1.default.readFileSync(f, 'utf-8'));
    const resp = {
        type: undefined,
        usePowerPartial: false,
    };
    if (result.exportDefaultNode) {
        const exportDefaultNode = result.exportDefaultNode;
        if (typescript_1.default.isFunctionLike(exportDefaultNode)) {
            if ((typescript_1.default.isFunctionDeclaration(exportDefaultNode) || typescript_1.default.isArrowFunction(exportDefaultNode)) && exportDefaultNode.body) {
                exportDefaultNode.body.forEachChild(tNode => {
                    if (!resp.usePowerPartial && typescript_1.default.isVariableStatement(tNode)) {
                        // check wether use PowerPartial<EggAppInfo>
                        resp.usePowerPartial = !!tNode.declarationList.declarations.find(decl => {
                            let typeText = decl.type ? decl.type.getText() : undefined;
                            if (decl.initializer && typescript_1.default.isAsExpression(decl.initializer) && decl.initializer.type) {
                                typeText = decl.initializer.type.getText();
                            }
                            return !!(typeText && typeText.includes('PowerPartial') && typeText.includes('EggAppConfig'));
                        });
                    }
                });
            }
            resp.type = EXPORT_DEFAULT_FUNCTION;
        }
        else {
            resp.type = EXPORT_DEFAULT;
        }
    }
    else if (result.exportNodeList.length) {
        resp.type = EXPORT;
    }
    return resp;
}
exports.checkConfigReturnType = checkConfigReturnType;