use anchor_lang::prelude::*;
use anchor_spl::{associated_token::AssociatedToken, token_interface::{TokenAccount, TokenInterface}};
use crate::*;

pub fn create_leaderboard(ctx: Context<CreateLeaderboard>, _id:u64) -> Result<()> {  
    let ticket_leaderboard_list = &mut ctx.accounts.ticket_leaderboard_list;
    let ticket_leaderboard = &mut ctx.accounts.ticket_leaderboard;

    ticket_leaderboard.players = vec![];

    ticket_leaderboard_list.leaderboards.push(ticket_leaderboard.key());
    msg!("Leaderboard created!");
    Ok(())
}


#[derive(Accounts)]
#[instruction(id:u64)]
pub struct CreateLeaderboard<'info>{
    #[account(mut)]
    pub payer: Signer<'info>,

    #[account(
        mut,
        seeds = [b"ticket_leaderboard_list"],
        bump
    )]
    pub ticket_leaderboard_list: Account<'info, TicketLeaderboardList>,

    #[account(
        init,
        payer = payer,
        space = 8 + TicketLeaderboard::INIT_SPACE,
        seeds = [b"ticket_leaderboard", id.to_le_bytes().as_ref()],
        bump
    )]
    pub ticket_leaderboard: Account<'info, TicketLeaderboard>,

    #[account(
        init,
        payer = payer,
        associated_token::mint = token_mint,
        associated_token::authority = ticket_leaderboard,
        associated_token::token_program = token_program
    )]
    pub token_vault: InterfaceAccount<'info, TokenAccount>,

    pub token_mint: InterfaceAccount<'info, anchor_spl::token_interface::Mint>,

    pub system_program: Program<'info, System>,
    pub token_program: Interface<'info, TokenInterface>,
    pub associated_token_program: Program<'info, AssociatedToken>,
}