use std::str::FromStr;

use async_trait::async_trait;
use reqwest::Method;
use serenity::client::Context;
use serenity::model::interactions::application_command::{
    ApplicationCommand, ApplicationCommandInteraction, ApplicationCommandInteractionDataOption,
    ApplicationCommandOptionType,
};
use serenity::model::prelude::application_command::ApplicationCommandInteractionDataOptionValue;

use geoffrey_models::models::{Dimension, Position};
use geoffrey_models::models::locations::{Location, LocationType};
use geoffrey_models::models::parameters::add_location_params::AddLocationParams;

use crate::bot::commands::{BotCommand, CommandError};

pub struct AddLocationCommand;

fn option_to_i64(option: &ApplicationCommandInteractionDataOption) -> Option<i64> {
    let option = option.resolved.as_ref();

    if let Some(ApplicationCommandInteractionDataOptionValue::Integer(s)) = option {
        Some(*s)
    } else {
        None
    }
}

#[async_trait]
impl BotCommand for AddLocationCommand {
    type ApiParams = AddLocationParams;
    type ApiResp = Location;

    fn command_name() -> String {
        "add_location".to_string()
    }

    fn request_type() -> Method {
        Method::POST
    }

    async fn create_app_command(ctx: &Context) -> Result<ApplicationCommand, CommandError> {
        let command = ApplicationCommand::create_global_application_command(&ctx.http, |command| {
            command
                .name(Self::command_name())
                .description("Add a location to Geoffrey.")
                .create_option(|option| {
                    option
                        .name("type")
                        .description("Location type")
                        .kind(ApplicationCommandOptionType::String)
                        .required(true)
                        .add_string_choice(LocationType::Base, LocationType::Base)
                        .add_string_choice(LocationType::Shop, LocationType::Shop)
                        .add_string_choice(LocationType::Attraction, LocationType::Attraction)
                        .add_string_choice(LocationType::Town, LocationType::Town)
                        .add_string_choice(LocationType::Farm, LocationType::Farm)
                        .add_string_choice(LocationType::Market, LocationType::Market)
                })
                .create_option(|option| {
                    option
                        .name("name")
                        .description("Name of the location")
                        .kind(ApplicationCommandOptionType::String)
                        .required(true)
                })
                .create_option(|option| {
                    option
                        .name("x")
                        .description("X coordinate of the shop")
                        .kind(ApplicationCommandOptionType::Integer)
                        .required(true)
                })
                .create_option(|option| {
                    option
                        .name("y")
                        .description("Y coordinate of the shop")
                        .kind(ApplicationCommandOptionType::Integer)
                        .required(true)
                })
                .create_option(|option| {
                    option
                        .name("z")
                        .description("Z coordinate of the shop")
                        .kind(ApplicationCommandOptionType::Integer)
                        .required(true)
                })
                .create_option(|option| {
                    option
                        .name("dimension")
                        .description("Dimension of the shop, default is Overworld")
                        .kind(ApplicationCommandOptionType::String)
                        .add_string_choice(Dimension::Overworld, Dimension::Overworld)
                        .add_string_choice(Dimension::Nether, Dimension::Nether)
                        .add_string_choice(Dimension::TheEnd, Dimension::TheEnd)
                        .required(false)
                })
                .create_option(|option| {
                    option
                        .name("portal_x")
                        .description("X Coordinate of the portal in the nether")
                        .kind(ApplicationCommandOptionType::Integer)
                        .required(false)
                })
                .create_option(|option| {
                    option
                        .name("portal_z")
                        .description("Z Coordinate of the portal in the nether")
                        .kind(ApplicationCommandOptionType::Integer)
                        .required(false)
                })
        })
        .await?;

        Ok(command)
    }

    async fn process_arguments(
        command_interaction: ApplicationCommandInteraction,
    ) -> Result<Self::ApiParams, CommandError> {
        let options = command_interaction.data.options;
        let mut name = String::new();
        let mut loc_type = LocationType::Base;
        let x;
        let _y;
        let z;
        let dimension;

        if let Some(option) = options.get(0) {
            let option = option.resolved.as_ref();

            if let Some(ApplicationCommandInteractionDataOptionValue::String(s)) = option {
                loc_type = LocationType::from_str(s).unwrap();
            } else {
                return Err(CommandError::ArgumentParse("loc_type".to_string()));
            }
        }

        if let Some(option) = options.get(1) {
            let option = option.resolved.as_ref();

            if let Some(ApplicationCommandInteractionDataOptionValue::String(s)) = option {
                name = s.clone();
            } else {
                return Err(CommandError::ArgumentParse("name".to_string()));
            }
        }

        x = option_to_i64(&options[2]).unwrap() as i32;
        _y = option_to_i64(&options[3]).unwrap() as i32;
        z = option_to_i64(&options[4]).unwrap() as i32;

        if let Some(option) = options.get(5) {
            let option = option.resolved.as_ref();

            if let Some(ApplicationCommandInteractionDataOptionValue::String(s)) = option {
                dimension = Dimension::from_str(s.as_str()).unwrap();
            } else {
                return Err(CommandError::ArgumentParse("dimension".to_string()));
            }
        } else {
            dimension = Dimension::default();
        }

        Ok(Self::ApiParams::new(
            name,
            Position::new(x, z, dimension),
            loc_type,
            None,
        ))
    }

    fn build_response(resp: Self::ApiResp) -> String {
        format!("{} has been added to Geoffrey.", resp.name)
    }
}