import { Database } from "bun:sqlite";
import { nanoid } from 'nanoid'
import generateSecureRandomString from "./generateSecureRandomString";

const meteostaniceDB = new Database("./data/meteostanice.sqlite");

meteostaniceDB.run(`create table if not exists list (
    id text not null primary key,
    owner text not null,
    name text not null,
    description text,
    websocketKey text not null,
    timestamp datetime default current_timestamp
);`)

meteostaniceDB.run(`create table if not exists data (
    id text not null primary key,
    meteostanica text not null,
    timestamp datetime default current_timestamp,

    indoorTemp text not null,
    indoorPressure text not null,
    indoorHumidity text not null,
    indoorAltitude text not null,

    outdoorConnected integer not null,
    outdoorTemp text not null,
    outdoorPressure text not null,
    outdoorHumidity text not null,
    outdoorAltitude text not null
);`)

meteostaniceDB.run(`create table if not exists public (
    id text not null primary key,
    name text not null,
    description text,
    timestamp datetime default current_timestamp,

    showOwner integer default 1,
    
    showIndoorTemp integer default 1,
    showIndoorPressure integer default 1,
    showIndoorHumidity integer default 1,
    showIndoorAltitude integer default 1,

    showOutdoorConnected integer default 1,
    showOutdoorTemp integer default 1,
    showOutdoorPressure integer default 1,
    showOutdoorHumidity integer default 1,
    showOutdoorAltitude integer default 1
);`)

export default class Meteostanice {
    static add(owner, name, description) {
        const id = nanoid()
        const websocketKey = generateSecureRandomString()

        meteostaniceDB.prepare(`
            INSERT INTO list (id, owner, name, description, websocketKey) 
            VALUES (?, ?, ?, ?, ?);
        `).run(id, owner, name, description, websocketKey)
    }

    static get(owner, id) {
        const statement = meteostaniceDB.prepare(`
            SELECT *
            FROM list 
            WHERE owner = $owner AND id = $id;
        `)

        const result = statement.get({
            $owner: owner,
            $id: id
        });

        return result
    }

    static getWebsocket(key) {
        const statement = meteostaniceDB.prepare(`
            SELECT *
            FROM list 
            WHERE websocketKey = $key;
        `)

        const result = statement.get({
            $key: key
        });

        return result
    }

    static getOwned(owner) {
        const statement = meteostaniceDB.prepare(`
            SELECT *
            FROM list 
            WHERE owner = $owner
            ORDER BY timestamp DESC;
        `)

        const result = statement.all({
            $owner: owner
        });

        return result
    }

    static edit(id, newName, newDescription, newOwner) {
        meteostaniceDB.prepare(`
            update list
            set name = ?,
            description = ?,
            owner = ?
            where id = ?;
        `).run(newName, newDescription, newOwner, id)
    }

    static editOwnerOnOwned(owner, newOwner) {
        meteostaniceDB.prepare(`
            update list
            set owner = ?
            where owner = ?;
        `).run(newOwner, owner)
    }

    static delete(id) {
        meteostaniceDB.prepare(`
            DELETE
            FROM data 
            WHERE meteostanica = $id;
        `).run({
            $id: id
        });

        meteostaniceDB.prepare(`
            DELETE
            FROM public 
            WHERE id = $id;
        `).run({
            $id: id
        });

        meteostaniceDB.prepare(`
            DELETE
            FROM list 
            WHERE id = $id;
        `).run({
            $id: id
        });
    }

    static deleteOwned(owner) {
        const meteostanice = this.getOwned(owner)

        for (const meteostanica of meteostanice) {
            this.delete(meteostanica.owner, meteostanica.id)
        }
    }

    static postData(meteostanica, indoorTemp, indoorPressure, indoorHumidity, indoorAltitude, outdoorConnected, outdoorTemp, outdoorPressure, outdoorHumidity, outdoorAltitude) {
        const id = nanoid()

        meteostaniceDB.prepare(`
            INSERT INTO data (id, meteostanica, indoorTemp, indoorPressure, indoorHumidity, indoorAltitude, outdoorConnected, outdoorTemp, outdoorPressure, outdoorHumidity, outdoorAltitude) 
            VALUES (?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?);
        `).run(id, meteostanica, indoorTemp, indoorPressure, indoorHumidity, indoorAltitude, outdoorConnected, outdoorTemp, outdoorPressure, outdoorHumidity, outdoorAltitude)
    }

    static getData(meteostanica) {
        const statement = meteostaniceDB.prepare(`
            SELECT *
            FROM data 
            WHERE meteostanica = $meteostanica
            ORDER BY timestamp DESC;
        `)

        const result = statement.all({
            $meteostanica: meteostanica
        });

        return result
    }

    static getDataProperty(meteostanica, property) {
        const tableNames = meteostaniceDB.prepare(`PRAGMA table_info('data');`).all()
        if (!tableNames.find(i => i.name === property)) return null

        const statement = meteostaniceDB.prepare(`
            SELECT ${property}
            FROM data
            WHERE meteostanica = $meteostanica
            ORDER BY timestamp DESC
            LIMIT 10;
        `)

        const result = statement.all({
            $meteostanica: meteostanica
        });

        return result
    }

    static getDataPropertyDaily(meteostanica, property, date) {
        const tableNames = meteostaniceDB.prepare(`PRAGMA table_info('data');`).all()
        if (!tableNames.find(i => i.name === property)) return null

        const statement = meteostaniceDB.prepare(`
            SELECT strftime('%Y-%m-%d %H:00:00', timestamp) AS timeMark, 
                AVG(${property}) AS value
            FROM data
            WHERE meteostanica = ? AND date(timestamp) = ?  -- Pass 'YYYY-MM-DD' here
            GROUP BY timeMark
            ORDER BY timeMark;
        `)
        
        const result = statement.all(meteostanica, date);

        return result
    }

    static getDataPropertyMonthly(meteostanica, property, yearMonth) {
        const tableNames = meteostaniceDB.prepare(`PRAGMA table_info('data');`).all()
        if (!tableNames.find(i => i.name === property)) return null

        const statement = meteostaniceDB.prepare(`
            SELECT date(timestamp) AS timeMark, 
                AVG(${property}) AS value
            FROM data
            WHERE meteostanica = ? AND strftime('%Y-%m', timestamp) = ? -- Pass 'YYYY-MM' here
            GROUP BY timeMark
            ORDER BY timeMark;
        `)
        
        const result = statement.all(meteostanica, yearMonth);

        return result
    }

    static getDataPropertyYearly(meteostanica, property, year) {
        const tableNames = meteostaniceDB.prepare(`PRAGMA table_info('data');`).all()
        if (!tableNames.find(i => i.name === property)) return null

        const statement = meteostaniceDB.prepare(`
            SELECT strftime('%Y-%m', timestamp) AS timeMark, 
                AVG(${property}) AS value
            FROM data
            WHERE meteostanica = ? AND strftime('%Y', timestamp) = ? -- Pass 'YYYY' here
            GROUP BY timeMark
            ORDER BY timeMark;
        `)
        
        const result = statement.all(meteostanica, year);

        return result
    }

    static getDataPropertyAllTime(meteostanica, property) {
        const tableNames = meteostaniceDB.prepare(`PRAGMA table_info('data');`).all()
        if (!tableNames.find(i => i.name === property)) return null

        const statement = meteostaniceDB.prepare(`
            SELECT strftime('%Y', timestamp) AS timeMark, 
                AVG(${property}) AS value
            FROM data
            WHERE meteostanica = ?
            GROUP BY timeMark
            ORDER BY timeMark;
        `)
        
        const result = statement.all(meteostanica);

        return result
    }

    static getDateMap(meteostanica) {
        const statement = meteostaniceDB.query("SELECT DISTINCT date(timestamp) as d FROM data WHERE meteostanica = ? ORDER BY d ASC");
        const rows = statement.all(meteostanica);

        return rows.reduce((acc, row) => {
            const [year, month, day] = row.d.split("-");

            if (!acc[year]) acc[year] = {};
            if (!acc[year][month]) acc[year][month] = [];

            acc[year][month].push(day);

            return acc;
        }, {});
    }

    static resetWebsocketKey(id) {
        const websocketKey = generateSecureRandomString()

        meteostaniceDB.prepare(`
            update list
            set websocketKey = ?
            where id = ?;
        `).run(websocketKey, id)
    }
}