"use strict";
var __importDefault = (this && this.__importDefault) || function (mod) {
    return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
const immutable_1 = __importDefault(require("immutable"));
const jsonschema_1 = __importDefault(require("jsonschema"));
const json_schema_defaults_1 = __importDefault(require("json-schema-defaults"));
const promise_1 = __importDefault(require("../utils/promise"));
const error_1 = __importDefault(require("../utils/error"));
const mergeDefaults_1 = __importDefault(require("../utils/mergeDefaults"));
/**
 Validate one plugin for a book and update book's confiration

 @param {Book}
 @param {Plugin}
 @return {Book}
 */
function validatePluginConfig(book, plugin) {
    let config = book.getConfig();
    const packageInfos = plugin.getPackage();
    const configKey = ["pluginsConfig", plugin.getName()].join(".");
    let pluginConfig = config.getValue(configKey, {}).toJS();
    const schema = (packageInfos.get("gitbook") || immutable_1.default.Map()).toJS();
    if (!schema)
        return book;
    // Normalize schema
    schema.id = `/${configKey}`;
    schema.type = "object";
    // Validate and throw if invalid
    const v = new jsonschema_1.default.Validator();
    const result = v.validate(pluginConfig, schema, {
        propertyName: configKey
    });
    // Throw error
    if (result.errors.length > 0) {
        throw new error_1.default.ConfigurationError(new Error(result.errors[0].stack));
    }
    // Insert default values
    const defaults = (0, json_schema_defaults_1.default)(schema);
    pluginConfig = (0, mergeDefaults_1.default)(pluginConfig, defaults);
    // Update configuration
    config = config.setValue(configKey, pluginConfig);
    // Return new book
    return book.set("config", config);
}
/**
 Validate a book configuration for plugins and
 returns an update configuration with default values.

 @param {Book}
 @param {OrderedMap<String:Plugin>}
 @return {Promise<Book>}
 */
function validateConfig(book, plugins) {
    return promise_1.default.reduce(plugins, (newBook, plugin) => {
        return validatePluginConfig(newBook, plugin);
    }, book);
}
exports.default = validateConfig;