"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 js_yaml_1 = __importDefault(require("js-yaml"));
const file_1 = __importDefault(require("./file"));
const hash_1 = require("./hash");
class Page extends immutable_1.default.Record({
    file: new file_1.default(),
    // Attributes extracted from the YAML header
    attributes: immutable_1.default.Map(),
    // Content of the page
    content: String(),
    // Direction of the text
    dir: String("ltr")
}) {
    getFile() {
        return this.get("file");
    }
    getAttributes() {
        return this.get("attributes");
    }
    getContent() {
        return this.get("content");
    }
    getDir() {
        return this.get("dir");
    }
    /**
     * Return page as text
     * @return {string}
     */
    toText() {
        const attrs = this.getAttributes();
        const content = this.getContent();
        if (attrs.size === 0) {
            return content;
        }
        const frontMatter = `---\n${js_yaml_1.default.safeDump(attrs.toJS(), { skipInvalid: true })}---\n\n`;
        return frontMatter + (content || "");
    }
    /**
     * Return path of the page
     * @return {string}
     */
    getPath() {
        return this.getFile().getPath();
    }
    /**
     * Create a page for a file
     * @param {File} file
     * @return {Page}
     */
    static createForFile(file) {
        return new Page({
            file: file
        });
    }
    /**
     * Load a page for a file
     * @param {File} file
     * @param {string} content
     * @return {Page}
     */
    static loadFile(file, content) {
        return new Page({
            file: file,
            content: content
        });
    }
    static fromJSON(json) {
        return new Page({
            file: new file_1.default(json.file),
            // Attributes extracted from the YAML header
            attributes: immutable_1.default.Map(json.atributes),
            // Content of the page
            content: json.content,
            // Direction of the text
            dir: json.dir
        });
    }
    static toJSON(page) {
        return page.toJS();
    }
    hash() {
        return (0, hash_1.hashString)(JSON.stringify(this.toJS()));
    }
}
exports.default = Page;