// SPDX-License-Identifier: Apache-2.0

use crate::borsh_encoding::BorshToken;
use crate::{account_new, build_solidity, create_program_address, AccountState};
use anchor_syn::idl::types::{IdlAccount, IdlAccountItem, IdlInstruction};

#[test]
fn access_payer() {
    let mut vm = build_solidity(
        r#"
        contract Test {
    @payer(payer)
    @seed("sunflower")
    @space(23)
    constructor(address my_payer) {
        assert(tx.accounts.payer.key == my_payer);
        assert(tx.accounts.payer.is_signer);
        assert(tx.accounts.payer.is_writable);
    }
}
        "#,
    );
    let payer = account_new();
    let pda = create_program_address(&vm.stack[0].id, &[b"sunflower"]);

    vm.account_data.insert(
        payer,
        AccountState {
            data: Vec::new(),
            owner: None,
            lamports: 10,
        },
    );
    vm.account_data.insert(
        pda.0,
        AccountState {
            data: [0; 4096].to_vec(),
            owner: Some(vm.stack[0].id),
            lamports: 0,
        },
    );

    vm.function("new")
        .arguments(&[BorshToken::Address(payer)])
        .accounts(vec![
            ("dataAccount", pda.0),
            ("payer", payer),
            ("systemProgram", [0; 32]),
        ])
        .call();
}

#[test]
fn fallback_magic() {
    let mut vm = build_solidity(
        r#"
        @program_id("5afzkvPkrshqu4onwBCsJccb1swrt4JdAjnpzK8N4BzZ")
contract hatchling {
    string name;
    address private origin;

    constructor(string id, address parent) {
        require(id != "", "name must be provided");
        name = id;
        origin = parent;
    }

    function root() public returns (address) {
        return origin;
    }

    fallback() external {
        name = "wrong";
    }
}

        "#,
    );

    let data_account = vm.initialize_data_account();
    let parent = account_new();

    vm.function("new")
        .arguments(&[
            BorshToken::String("my_id".to_string()),
            BorshToken::Address(parent),
        ])
        .accounts(vec![("dataAccount", data_account)])
        .call();

    if let Some(idl) = &mut vm.stack[0].idl {
        idl.instructions.push(IdlInstruction {
            name: "wrong".to_string(),
            docs: None,
            accounts: vec![IdlAccountItem::IdlAccount(IdlAccount {
                name: "dataAccount".to_string(),
                is_signer: false,
                is_optional: None,
                docs: None,
                pda: None,
                is_mut: true,
                relations: vec![],
            })],
            args: vec![],
            returns: None,
        });
    }

    // This should work
    vm.function("wrong")
        .accounts(vec![("dataAccount", data_account)])
        .call();

    vm.account_data.insert(parent, AccountState::default());

    // This should fail
    let res = vm
        .function("wrong")
        .accounts(vec![("dataAccount", parent)])
        .must_fail();

    assert_eq!(res.unwrap(), 2);
}

#[test]
fn accounts_on_constructors() {
    let mut vm = build_solidity(
        r#"
        contract Test {
    @payer(my_payer)
    @account(acc1)
    @mutableAccount(acc2)
    @signer(acc3)
    @mutableSigner(acc4)
    constructor () {
        assert(tx.accounts.acc3.is_signer);
        assert(tx.accounts.acc4.is_signer);

        assert(tx.accounts.acc1.lamports == 5);

        tx.accounts.acc2.lamports -= 7;
        tx.accounts.acc4.lamports += 7;
    }
}
        "#,
    );

    let data_account = vm.initialize_data_account();
    let acc1 = account_new();
    let acc2 = account_new();
    let acc3 = account_new();
    let acc4 = account_new();
    let my_payer = account_new();

    vm.account_data.insert(
        acc1,
        AccountState {
            data: vec![],
            owner: None,
            lamports: 5,
        },
    );

    vm.account_data.insert(
        acc2,
        AccountState {
            data: vec![],
            owner: None,
            lamports: 8,
        },
    );

    vm.account_data.insert(acc3, AccountState::default());

    vm.account_data.insert(
        acc4,
        AccountState {
            data: vec![],
            owner: None,
            lamports: 7,
        },
    );

    vm.account_data.insert(my_payer, AccountState::default());

    vm.function("new")
        .accounts(vec![
            ("dataAccount", data_account),
            ("acc1", acc1),
            ("acc2", acc2),
            ("acc3", acc3),
            ("acc4", acc4),
            ("my_payer", my_payer),
            ("systemProgram", [0; 32]),
        ])
        .call();

    assert_eq!(vm.account_data[&acc2].lamports, 1);
    assert_eq!(vm.account_data[&acc4].lamports, 14);
}