"use strict";
var __createBinding = (this && this.__createBinding) || (Object.create ? (function(o, m, k, k2) {
    if (k2 === undefined) k2 = k;
    Object.defineProperty(o, k2, { enumerable: true, get: function() { return m[k]; } });
}) : (function(o, m, k, k2) {
    if (k2 === undefined) k2 = k;
    o[k2] = m[k];
}));
var __setModuleDefault = (this && this.__setModuleDefault) || (Object.create ? (function(o, v) {
    Object.defineProperty(o, "default", { enumerable: true, value: v });
}) : function(o, v) {
    o["default"] = v;
});
var __importStar = (this && this.__importStar) || function (mod) {
    if (mod && mod.__esModule) return mod;
    var result = {};
    if (mod != null) for (var k in mod) if (k !== "default" && Object.prototype.hasOwnProperty.call(mod, k)) __createBinding(result, mod, k);
    __setModuleDefault(result, mod);
    return result;
};
var __importDefault = (this && this.__importDefault) || function (mod) {
    return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.flag = exports.fullFlag = exports.boolean = void 0;
const findOption_1 = require("./newparser/findOption");
const type_1 = require("./type");
const chalk_1 = __importDefault(require("chalk"));
const Result = __importStar(require("./Result"));
const types_1 = require("./types");
/**
 * A decoder from `string` to `boolean`
 * works for `true` and `false` only.
 */
exports.boolean = {
    async from(str) {
        if (str === 'true')
            return true;
        if (str === 'false')
            return false;
        throw new Error(`expected value to be either "true" or "false". got: "${str}"`);
    },
    displayName: 'true/false',
    defaultValue: () => false,
};
function fullFlag(config) {
    var _a;
    const decoder = type_1.extendType(exports.boolean, config.type);
    return {
        description: (_a = config.description) !== null && _a !== void 0 ? _a : config.type.description,
        helpTopics() {
            var _a, _b, _c, _d;
            let usage = `--${config.long}`;
            if (config.short) {
                usage += `, -${config.short}`;
            }
            const defaults = [];
            if (config.env) {
                const env = process.env[config.env] === undefined
                    ? ''
                    : `=${chalk_1.default.italic(process.env[config.env])}`;
                defaults.push(`env: ${config.env}${env}`);
            }
            try {
                const defaultValueFn = (_a = config.defaultValue) !== null && _a !== void 0 ? _a : config.type.defaultValue;
                const defaultValueIsSerializable = (_b = config.defaultValueIsSerializable) !== null && _b !== void 0 ? _b : config.type.defaultValueIsSerializable;
                if (defaultValueFn && defaultValueIsSerializable) {
                    const defaultValue = defaultValueFn();
                    defaults.push('default: ' + chalk_1.default.italic(defaultValue));
                }
            }
            catch (e) { }
            return [
                {
                    category: 'flags',
                    usage,
                    defaults,
                    description: (_d = (_c = config.description) !== null && _c !== void 0 ? _c : config.type.description) !== null && _d !== void 0 ? _d : 'self explanatory',
                },
            ];
        },
        register(opts) {
            opts.forceFlagLongNames.add(config.long);
            if (config.short) {
                opts.forceFlagShortNames.add(config.short);
            }
        },
        async parse({ nodes, visitedNodes, }) {
            var _a, _b;
            const options = findOption_1.findOption(nodes, {
                longNames: [config.long],
                shortNames: config.short ? [config.short] : [],
            }).filter((x) => !visitedNodes.has(x));
            options.forEach((opt) => visitedNodes.add(opt));
            if (options.length > 1) {
                return Result.err({
                    errors: [
                        {
                            nodes: options,
                            message: 'Expected 1 occurence, got ' + options.length,
                        },
                    ],
                });
            }
            const valueFromEnv = config.env ? process.env[config.env] : undefined;
            let rawValue;
            let envPrefix = '';
            if (options.length === 0 && valueFromEnv !== undefined) {
                rawValue = valueFromEnv;
                envPrefix = `env[${chalk_1.default.italic(config.env)}]: `;
            }
            else if (options.length === 0 &&
                typeof config.type.defaultValue === 'function') {
                try {
                    return Result.ok(config.type.defaultValue());
                }
                catch (e) {
                    const message = `Default value not found for '--${config.long}': ${e.message}`;
                    return Result.err({
                        errors: [{ message, nodes: [] }],
                    });
                }
            }
            else if (options.length === 1) {
                rawValue = (_b = (_a = options[0].value) === null || _a === void 0 ? void 0 : _a.node.raw) !== null && _b !== void 0 ? _b : 'true';
            }
            else {
                return Result.err({
                    errors: [
                        { nodes: [], message: `No value provided for --${config.long}` },
                    ],
                });
            }
            const decoded = await Result.safeAsync(decoder.from(rawValue));
            if (Result.isErr(decoded)) {
                return Result.err({
                    errors: [
                        {
                            nodes: options,
                            message: envPrefix + decoded.error.message,
                        },
                    ],
                });
            }
            return decoded;
        },
    };
}
exports.fullFlag = fullFlag;
function flag(config) {
    return fullFlag({
        type: types_1.boolean,
        ...config,
    });
}
exports.flag = flag;
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