import { CLUSTER_URL } from "@/data/shared";
import { Bets } from "@/idl/bets";
import { AnchorProvider, BN, Program } from "@coral-xyz/anchor";
import { ConnectedSolanaWallet } from "@privy-io/react-auth";
import { Connection, Keypair, LAMPORTS_PER_SOL, PublicKey } from "@solana/web3.js";
import idl from "../idl/bets_idl.json";
import { Bet } from "@/types/Bet";
import { toast } from "sonner";
import { Game } from "@/types/Game";


export const fetchOpenBets = async (wallets: ConnectedSolanaWallet): Promise<Bet[]> => {
    try {
      if (!wallets) return [];

      const connection = new Connection(CLUSTER_URL);
      const wallet = {
        publicKey: new PublicKey(wallets.address),
        signTransaction: wallets.signTransaction,
        signAllTransactions: wallets.signAllTransactions,
      };
      const provider = new AnchorProvider(connection, wallet, {
        preflightCommitment: "confirmed",
      });

      const program = new Program<Bets>(idl, provider);
      const [bet_list_pda] = await PublicKey.findProgramAddress(
        [Buffer.from("bets_list")],
        program.programId
      );
      // Fetch all open bet accounts
      const bet_list = await program.account.betsList.fetch(bet_list_pda);

      // Extract required bet data
      const formattedBets = await Promise.all(
        bet_list.bets.map(async (bet) => {
          const betAcc = await program.account.betVault.fetch(bet);
          console.log(betAcc.gameId);
          return {
            id: betAcc.gameId,
            owner: betAcc.owner.toBase58(),
            joiner: betAcc.joiner ? betAcc.joiner.toBase58() : "Open",
            wager: betAcc.wager.toNumber() / LAMPORTS_PER_SOL
          };
        })
      );

      console.log(`Got ${formattedBets.length} bets`);

      return formattedBets;
    } catch (error) {
      console.error("Error fetching open bets:", error);
    }
    return [];
  };



  export async function closeBet(wallets: ConnectedSolanaWallet, betId: string): Promise<string> {
    try {
        const connection = new Connection(CLUSTER_URL);
        const wallet = {
            publicKey: new PublicKey(wallets.address),
            signTransaction: wallets.signTransaction,
            signAllTransactions: wallets.signAllTransactions,
        };
        const provider = new AnchorProvider(connection, wallet, {
            preflightCommitment: "confirmed",
        });

        const program = new Program<Bets>(idl, provider);
        const [bet_list_pda] = await PublicKey.findProgramAddress(
            [Buffer.from("bets_list")],
            program.programId
        );

        // Fetch the bet list
        const betList = await program.account.betsList.fetch(bet_list_pda);

        let chosenBet: PublicKey | null = null;

        for (const bet of betList.bets) {
            const betAcc = await program.account.betVault.fetch(bet);
            if (betAcc.owner.toBase58() === wallets.address && betAcc.gameId.toString() === betId) {
                chosenBet = bet;
                break;
            }
        }

        if (!chosenBet) {
            console.error("Bet not found or not owned by the user");
            return "";
        }

        const winner = new PublicKey(wallets.address);

        // Execute the closeBet transaction
        const tx = await program.methods
        .closeBet(winner)
        .accounts({
            betVault: chosenBet,
            betsList: bet_list_pda,
            winner: winner,
        })
        .transaction();
        tx.feePayer = new PublicKey(wallets.address);
        tx.recentBlockhash = (await connection.getLatestBlockhash()).blockhash;
    
        // Sign transaction with Privy
        const signedTx = await wallet.signTransaction(tx);
    
        // Send transaction// Replace with correct RPC endpoint
        const txId = await connection.sendRawTransaction(signedTx.serialize());
        console.log(`Transaction: ${tx}`);
        return txId;
    } catch (error) {
        console.error("Error closing bet:", error);
    }
    return "";
}


export async function createBet(wallets:ConnectedSolanaWallet,selectedPrice:number,selectedGame:Game):Promise<string>{
  const connection = new Connection(CLUSTER_URL);
  const wallet = {
      publicKey: new PublicKey(wallets.address),
      signTransaction: wallets.signTransaction,
      signAllTransactions: wallets.signAllTransactions,
  };
  const provider = new AnchorProvider(connection, wallet, {
      preflightCommitment: "confirmed",
  });

  const program = new Program<Bets>(idl, provider);
  const [bet_list_pda] = await PublicKey.findProgramAddress(
      [Buffer.from("bets_list")],
      program.programId
  );
  try {
    const nonce = 1;
    const [bet_list_pda] = await PublicKey.findProgramAddress(
      [Buffer.from("bets_list")],
      program.programId
    );
    const connection = new Connection(CLUSTER_URL, "confirmed");

    console.log(`bets list : ${bet_list_pda}`);

    // Create transaction
    const tx = await program.methods
      .createBet(new BN(selectedPrice * 1000000000), selectedGame.id, new BN(nonce))
      .accounts({
        betsList: bet_list_pda,
      })
      .transaction(); // Get transaction object instead of RPC call

    tx.feePayer = new PublicKey(wallets.address);
    tx.recentBlockhash = (await connection.getLatestBlockhash()).blockhash;

    // Sign transaction with Privy
    const signedTx = await wallet.signTransaction(tx);

    // Send transaction// Replace with correct RPC endpoint
    const txId = await connection.sendRawTransaction(signedTx.serialize());

    console.log(`Transaction ID: ${txId}`);
    return txId;
  } catch (error:unknown) {
    

    const errorMessage = String(error); // Converts error to string safely

    if (errorMessage.includes("already in use")) {
      toast.error("You can't make 2 bets for the same game.");
    } else {
      toast.error("Failed to create bet.");
      console.error(error);
    }
  }

  return "";
}