const {
    CommandInteraction,
    MessageEmbed
} = require("discord.js");
const axios = require('axios');

module.exports = {
    name: "weather",
    description: "Displays/Forecasts the weather statistics",
    options: [
        {
            name: 'mode',
            description: 'Forecast/current',
            type: 'STRING',
            required: true,
            choices: [
                {
                    name: 'forecast',
                    value: 'forecast'
                },

                {
                    name: 'current',
                    value: 'current'
                }
            ]
        },

        {
            name: 'location',
            description: 'Location',
            type: 'STRING',
            required: true
        }
    ],

    /**
     *
     * @param {CommandInteraction} interaction
     */
    async execute(interaction) {
        const {
            options
        } = interaction

        switch (options.get('mode').value) {
            case 'forecast': {
                return fetchReply('forecast', interaction, options)
            }

            case 'current': {
                return fetchReply('current', interaction, options)
            }
        }
    }
}

function fetchReply(type, interaction, options) {
    let url = `https://api.weatherapi.com/v1/${type}.json?key=${process.env.WEATHER_API_KEY}&q=${options.get('location').value}`

    if (type == 'forecast') {
        url += '&days=1&aqi=no&alerts=no'
    } else {
        url += '&aqi=no'
    }

    console.log(url)
    axios.get(url).then(response => {
        const data = response.data
        var displayData = {}

        console.log(data)
        if (type == 'current') {
            displayData = {
                locationName: data.location.name,
                lastUpdated: data.current.last_updated,
                thumbnail: `https://${data.current.condition.icon.slice(2, data.current.condition.icon.length)}`,
                generalStatus: data.current.condition.text,
                temperature: `${data.current.temp_c}°C`,
                wind: `${data.current.wind_kph} kph, ${data.current.wind_dir}`,
                cloud: `${response.data.current.cloud}%`,
                humidity: `${response.data.current.humidity}%`,
                description: `Current's weather statistics for ${data.location.name} (${data.current.last_updated})`
            }
        } else {
            displayData = {
                locationName: data.location.name,
                lastUpdated: data.forecast.forecastday.date,
                temps: `${data.forecast.forecastday.avgtemp_c}°C`,
                visibility: `${data.forecast.forecastday.avgvis_km} km`,
                humidity: `${JSON.stringify(data.forecast.forecastday).avghumidity}%`,
                generalStatus: JSON.stringify(data.forecast.forecastday).condition.text,
                thumbnail: `https://${JSON.stringify(data.forecast.forecastday).condition.icon.slice(2, data.forecast.forecastday.condition.icon.length)}`,
                description: `Weather forecast at ${data.location.name} for tomorrow (${JSON.stringify(data.forecast.forecastday).date})`
            }
        }

        console.log(displayData)
        let embed = new MessageEmbed()
        .setTitle('🌦  Weather')
        .setColor('GREEN')
        .setFooter({
            text: `Requested by ${interaction.user.username}`,
            iconURL: interaction.user.avatarURL(true)
        })
        .setTimestamp()
        .setThumbnail(displayData.thumbnail)
        .setDescription(displayData.description)

        if (type == 'forecast') {
            embed.addFields(
                {
                    name: 'General status',
                    value: displayData.generalStatus,
                    inline: true
                },

                {
                    name: 'Temperature',
                    value: displayData.temps,
                    inline: true
                },

                {
                    name: 'Visibility',
                    value: displayData.visibility,
                    inline: true
                },

                {
                    name: 'Humidity',
                    value: displayData.humidity,
                    inline: true
                }
            )
        } else {
            embed.addFields(
                {
                    name: 'General status',
                    value: displayData.generalStatus,
                    inline: true
                },

                {
                    name: 'Temperature',
                    value: displayData.temperature,
                    inline: true
                },

                {
                    name: "\u200B",
                    value: '\u200B',
                    inline: false
                },

                {
                    name: 'Wind',
                    value: displayData.wind,
                    inline: true
                },

                {
                    name: 'Cloud',
                    value: displayData.cloud,
                    inline: true
                },

                {
                    name: 'Humidity',
                    value: displayData.humidity,
                    inline: true
                }
            )
        }

        interaction.reply({
            embeds: [
                embed
            ]
        })
    })
}