const config = require("../config");

const mongoose = require("mongoose");

const userSchema = new mongoose.Schema({
    username: String,
    password: String,
    email: String,
    role: String,
    color: String
});

userSchema.method("getPublicObject", function() {
    return {
        username: this.username,
        permissionLevel: config.roleMap[this.role],
        role: this.role,
        color: this.color,
        _id: this._id
    };
});

userSchema.method("getFullObject", function() {
    return {
        username: this.username,
        password: this.password,
        email: this.email,
        permissionLevel: config.roleMap[this.role],
        role: this.role,
        color: this.color,
        _id: this._id
    };
});

const User = mongoose.model("User", userSchema);

// NOTE(hippoz): These are all actually material design colors, taken from https://material-ui.com/customization/color/#playground
const colors = [
    "#f44336",
    "#e91e63",
    "#9c27b0",
    "#673ab7",
    "#3f51b5",
    "#2196f3",
    "#03a9f4",
    "#00bcd4",
    "#009688",
    "#4caf50",
    "#8bc34a",
    "#cddc39",
    "#ffeb3b",
    "#ffc107",
    "#ff9800",
    "#ff5722"
];

User.generateColorFromUsername = function(username) {
    let sum = 0;
    for (let i in username) {
        sum += username.charCodeAt(i);
    }
    const colorIndex = sum % colors.length;
    return colors[colorIndex];
};

User.findByUsername = async function(username) {
    return await User.findOne({ username }).exec(); 
};

User.getPulicFields = function(isPartial=false) {
    if (isPartial) {
        return "username _id color";
    }
    return "username role _id color";
};

module.exports = User;