use poise::{ChoiceParameter, CreateReply};
use radiobrowser::StationSearchBuilder;
use serenity::{all::{CreateActionRow, CreateButton, CreateEmbed, CreateInteractionResponse, CreateInteractionResponseMessage}, futures::SinkExt};

use crate::types::Context;

#[derive(ChoiceParameter)]
pub enum WelcomeChoice {
    #[name = "5"]
    A,
    #[name = "10"]
    B,
    #[name = "15"]
    C
}

pub async fn paginate_search(
    ctx: Context<'_>,
    search_builder: StationSearchBuilder,
) -> Result<(), serenity::Error> {
    // Define some unique identifiers for the navigation buttons
    let ctx_id = ctx.id();
    let prev_button_id = format!("{}prev", ctx_id);
    let next_button_id = format!("{}next", ctx_id);

    let Ok(stations) = search_builder.send().await else {
        let _ = ctx.reply("Something went wrong, try searching again").await;
        return Ok(())
    };

    // Send the embed with the first page as content
    let reply = {
        let components = CreateActionRow::Buttons(vec![
            CreateButton::new(&prev_button_id).emoji('◀'),
            CreateButton::new(&next_button_id).emoji('▶'),
        ]);

        CreateReply::default()
            .embed(CreateEmbed::new())
            .components(vec![components])
    };

    ctx.send(reply).await?;

    // Loop through incoming interactions with the navigation buttons
    let mut current_page = 0;
    while let Some(press) = serenity::collector::ComponentInteractionCollector::new(ctx)
        // We defined our button IDs to start with `ctx_id`. If they don't, some other command's
        // button was pressed
        .filter(move |press| press.data.custom_id.starts_with(&ctx_id.to_string()))
        // Timeout when no navigation button has been pressed for 24 hours
        .timeout(std::time::Duration::from_secs(3600 * 24))
        .await
    {
        // Depending on which button was pressed, go to next or previous page
        if press.data.custom_id == next_button_id {
            current_page += 1;
            // TODO find a way to check end
            // if current_page >= pages.len() {
            //     current_page = 0;
            // }
        } else if press.data.custom_id == prev_button_id {
            // TODO find a way to get pages len
            // current_page = current_page.checked_sub(1).unwrap_or(pages.len() - 1);
        } else {
            // This is an unrelated button interaction
            continue;
        }

        // Update the message with the new page contents
        press
            .create_response(
                ctx.serenity_context(),
                CreateInteractionResponse::UpdateMessage(
                    CreateInteractionResponseMessage::new()
                        .embed(CreateEmbed::new()),
                ),
            )
            .await?;
    }

    Ok(())
}