use serde_json::Value;
use solana_cli::cli::{process_command, CliCommand, CliConfig};
use solana_client::rpc_client::RpcClient;
use solana_core::test_validator::TestValidator;
use solana_faucet::faucet::run_local_faucet;
use solana_sdk::{
    bpf_loader,
    commitment_config::CommitmentConfig,
    pubkey::Pubkey,
    signature::{Keypair, Signer},
};
use std::{fs::File, io::Read, path::PathBuf, str::FromStr, sync::mpsc::channel};

#[test]
fn test_cli_deploy_program() {
    solana_logger::setup();

    let mut pathbuf = PathBuf::from(env!("CARGO_MANIFEST_DIR"));
    pathbuf.push("tests");
    pathbuf.push("fixtures");
    pathbuf.push("noop");
    pathbuf.set_extension("so");

    let test_validator = TestValidator::with_no_fees();

    let (sender, receiver) = channel();
    run_local_faucet(test_validator.mint_keypair(), sender, None);
    let faucet_addr = receiver.recv().unwrap();

    let rpc_client = RpcClient::new(test_validator.rpc_url());

    let mut file = File::open(pathbuf.to_str().unwrap()).unwrap();
    let mut program_data = Vec::new();
    file.read_to_end(&mut program_data).unwrap();
    let minimum_balance_for_rent_exemption = rpc_client
        .get_minimum_balance_for_rent_exemption(program_data.len())
        .unwrap();

    let mut config = CliConfig::recent_for_tests();
    let keypair = Keypair::new();
    config.json_rpc_url = test_validator.rpc_url();
    config.command = CliCommand::Airdrop {
        faucet_host: None,
        faucet_port: faucet_addr.port(),
        pubkey: None,
        lamports: 4 * minimum_balance_for_rent_exemption, // min balance for rent exemption for three programs + leftover for tx processing
    };
    config.signers = vec![&keypair];
    process_command(&config).unwrap();

    config.command = CliCommand::Deploy {
        program_location: pathbuf.to_str().unwrap().to_string(),
        address: None,
        use_deprecated_loader: false,
        allow_excessive_balance: false,
    };

    let response = process_command(&config);
    let json: Value = serde_json::from_str(&response.unwrap()).unwrap();
    let program_id_str = json
        .as_object()
        .unwrap()
        .get("programId")
        .unwrap()
        .as_str()
        .unwrap();
    let program_id = Pubkey::from_str(&program_id_str).unwrap();
    let account0 = rpc_client
        .get_account_with_commitment(&program_id, CommitmentConfig::recent())
        .unwrap()
        .value
        .unwrap();
    assert_eq!(account0.lamports, minimum_balance_for_rent_exemption);
    assert_eq!(account0.owner, bpf_loader::id());
    assert_eq!(account0.executable, true);

    let mut file = File::open(pathbuf.to_str().unwrap().to_string()).unwrap();
    let mut elf = Vec::new();
    file.read_to_end(&mut elf).unwrap();

    assert_eq!(account0.data, elf);

    // Test custom address
    let custom_address_keypair = Keypair::new();
    config.signers = vec![&keypair, &custom_address_keypair];
    config.command = CliCommand::Deploy {
        program_location: pathbuf.to_str().unwrap().to_string(),
        address: Some(1),
        use_deprecated_loader: false,
        allow_excessive_balance: false,
    };
    process_command(&config).unwrap();
    let account1 = rpc_client
        .get_account_with_commitment(&custom_address_keypair.pubkey(), CommitmentConfig::recent())
        .unwrap()
        .value
        .unwrap();
    assert_eq!(account1.lamports, minimum_balance_for_rent_exemption);
    assert_eq!(account1.owner, bpf_loader::id());
    assert_eq!(account1.executable, true);
    assert_eq!(account0.data, account1.data);

    // Attempt to redeploy to the same address
    process_command(&config).unwrap_err();

    // Attempt to deploy to account with excess balance
    let custom_address_keypair = Keypair::new();
    config.command = CliCommand::Airdrop {
        faucet_host: None,
        faucet_port: faucet_addr.port(),
        pubkey: None,
        lamports: 2 * minimum_balance_for_rent_exemption, // Anything over minimum_balance_for_rent_exemption should trigger err
    };
    config.signers = vec![&custom_address_keypair];
    process_command(&config).unwrap();

    config.signers = vec![&keypair, &custom_address_keypair];
    config.command = CliCommand::Deploy {
        program_location: pathbuf.to_str().unwrap().to_string(),
        address: Some(1),
        use_deprecated_loader: false,
        allow_excessive_balance: false,
    };
    process_command(&config).unwrap_err();

    // Use forcing parameter to deploy to account with excess balance
    config.command = CliCommand::Deploy {
        program_location: pathbuf.to_str().unwrap().to_string(),
        address: Some(1),
        use_deprecated_loader: false,
        allow_excessive_balance: true,
    };
    process_command(&config).unwrap();
    let account2 = rpc_client
        .get_account_with_commitment(&custom_address_keypair.pubkey(), CommitmentConfig::recent())
        .unwrap()
        .value
        .unwrap();
    assert_eq!(account2.lamports, 2 * minimum_balance_for_rent_exemption);
    assert_eq!(account2.owner, bpf_loader::id());
    assert_eq!(account2.executable, true);
    assert_eq!(account0.data, account2.data);

    test_validator.close();
}
