const { DataTypes } = require("sequelize");
const { AccessLevel } = require("../api/utils/user");
const logger = require("../logger");
const bcrypt = require("bcrypt");

/*const SALT_ROUNDS = Math.round(Math.r) + 6;
const BCRYPT_SALT = bcrypt.genSaltSync(SALT_ROUNDS);*/
function getSalt () {
	//return bcrypt.genSaltSync(10);
	return bcrypt.genSaltSync(Math.round(Math.random() * 4) + 6);
}

module.exports = async function (sequelize, dbObj) {
	const dbModel = {
		users: sequelize.define("users", {
			id: {
				type: DataTypes.INTEGER,
				allowNull: false,
				autoIncrement: true,
				primaryKey: true,
				comment: "ID of user",
			},
			username: {
				type: DataTypes.STRING,
				allowNull: false,
				unique: true,
				comment: "Username of user",
				validate: {
					not: /null/iu,
				},
			},
			accessLevel: {
				type: DataTypes.INTEGER,
				allowNull: false,
				defaultValue: false,
				comment: "access level of user",
				get: function () {
					return new AccessLevel(this.getDataValue("accessLevel"));
				},
				set: function (value) {
					if (value instanceof AccessLevel)
						return this.setDataValue("accessLevel", value.code);
					if (Number.isInteger(value)) {
						if (AccessLevel.validate(value))
							return this.setDataValue("accessLevel", value);
					}
					throw new TypeError("accessLevel must be AccessLevel object or integer");
					//this.setDataValue('inventory', JSON.stringify(value));
				},
			},
			password: {
				type: DataTypes.STRING,
				allowNull: false,
				unique: false,
				comment: "Hash code of password",
				set: function (value) {
					if (value === "") return this.setDataValue('password', "");
					const hash = bcrypt.hashSync(value, getSalt());
					this.setDataValue('password', hash);
				},
				get: function () {
					const checkHash = this.getDataValue("password");
					if (checkHash === "") return Promise.resolve(false);
					return async function (password) {
						return await new Promise((rs, rj) => {
							bcrypt.compare(password, checkHash, (err, res) => {
								if (err)
									return rs(false);
								logger.debug("isRes is", res);
								rs(res);
							});
						});
					}
				},
			},
			isActivate: {
				type: DataTypes.BOOLEAN,
				allowNull: false,
				defaultValue: true,
				comment: "Is user activated",
			},
		}),
		
		userCharacters: sequelize.define("userCharacters", {
			id: {
				type: DataTypes.INTEGER,
				allowNull: false,
				autoIncrement: true,
				primaryKey: true,
				comment: "ID of character",
			},
			ownerId: {
				type: DataTypes.INTEGER,
				allowNull: false,
				comment: "ID of character's owner",
			},
			name: {
				type: DataTypes.STRING,
				allowNull: false,
				unique: true,
				comment: "Name of character",
			},
			nameMasked: {
				type: DataTypes.STRING,
				allowNull: false,
				unique: false,
				comment: "Masked name of character",
			},
			avatar: {
				type: DataTypes.BLOB,
				allowNull: true,
				comment: "Avatar of character",
			},
			avatarMime: {
				type: DataTypes.STRING,
				allowNull: true,
				comment: "Mimetype of character's avatar",
			},
			descriptionPrompt: {
				type: DataTypes.TEXT,
				allowNull: false,
				defaultValue: "",
				comment: "Description of character",
			},
			appearancePrompt: {
				type: DataTypes.TEXT,
				allowNull: false,
				defaultValue: "",
				comment: "Appearance of character",
			},
			naturePrompt: {
				type: DataTypes.TEXT,
				allowNull: false,
				defaultValue: "",
				comment: "Nature of character",
			},
			prehistoryPrompt: {
				type: DataTypes.TEXT,
				allowNull: false,
				defaultValue: "",
				comment: "Pre-history of character",
			},
			communicationStylePrompt: {
				type: DataTypes.TEXT,
				allowNull: false,
				defaultValue: "",
				comment: "Communication style of character",
			},
		}),
		
		npcCharacters: sequelize.define("npcCharacters", {
			id: {
				type: DataTypes.INTEGER,
				allowNull: false,
				autoIncrement: true,
				primaryKey: true,
				comment: "ID of character",
			},
			name: {
				type: DataTypes.STRING,
				allowNull: false,
				unique: true,
				comment: "Name of character",
			},
			nameMasked: {
				type: DataTypes.STRING,
				allowNull: false,
				unique: false,
				comment: "Masked name of character",
			},
			avatar: {
				type: DataTypes.BLOB,
				allowNull: true,
				comment: "Avatar of character",
			},
			avatarMime: {
				type: DataTypes.STRING,
				allowNull: true,
				comment: "Mimetype of character's avatar",
			},
			descriptionPrompt: {
				type: DataTypes.TEXT,
				allowNull: false,
				defaultValue: "",
				comment: "Description of character",
			},
			appearancePrompt: {
				type: DataTypes.TEXT,
				allowNull: false,
				defaultValue: "",
				comment: "Appearance of character",
			},
			naturePrompt: {
				type: DataTypes.TEXT,
				allowNull: false,
				defaultValue: "",
				comment: "Nature of character",
			},
			prehistoryPrompt: {
				type: DataTypes.TEXT,
				allowNull: false,
				defaultValue: "",
				comment: "Pre-history of character",
			},
			communicationStylePrompt: {
				type: DataTypes.TEXT,
				allowNull: false,
				defaultValue: "",
				comment: "Communication style of character",
			},
		}),
	};
	
	dbModel.userCharacters.belongsTo(dbModel.users, {
		foreignKey: "ownerId",   // field in userCharacters
		targetKey: "id",         // field in users
		onDelete: "CASCADE",     // If delete user, characters will be deleted
		onUpdate: "CASCADE",
	});
	dbModel.users.hasMany(dbModel.userCharacters, {
		foreignKey: "ownerId",   // field ownerId
		sourceKey: "id",
	});
	
	await sequelize.authenticate();
	const initPromise = Object.entries(dbModel).map(async ([tableName, table]) => {
		logger.log(`* init table: ${tableName}`);
		await table.sync({ alter: true });
		const rows = await table.findAll();
		await dbObj.cache[tableName]?.(rows, table);
		logger.log(`* inited: ${tableName}`);
	});
	await Promise.all(initPromise);
};