#![allow(clippy::type_complexity, clippy::too_many_arguments, clippy::large_enum_variant)]

use mpstthree::binary::struct_trait::{end::End, recv::Recv, send::Send, session::Session};
use mpstthree::role::broadcast::RoleBroadcast;
use mpstthree::role::end::RoleEnd;
use mpstthree::{
    bundle_struct_fork_close_multi_cancel, create_fn_choose_mpst_multi_to_all_bundle,
    create_multiple_normal_role_short, create_recv_mpst_session_bundle,
    create_send_mpst_cancel_bundle, offer_mpst, create_multiple_normal_name_short
};

use std::error::Error;

// Create the new MeshedChannels for seven participants and the close and fork functions
bundle_struct_fork_close_multi_cancel!(close_mpst_multi, fork_mpst, MeshedChannels, 7);

// Create new roles
// normal
create_multiple_normal_role_short!(A, B, C, D, E, F, G);

// Create new names
create_multiple_normal_name_short!(A, B, C, D, E, F, G);

// Create new send functions
// A
create_send_mpst_cancel_bundle!(
    send_mpst_a_to_b, RoleB, 1 | =>
    NameA, MeshedChannels, 7
);

// B
create_send_mpst_cancel_bundle!(
    send_mpst_b_to_a, RoleA, 1 |
    send_mpst_b_to_c, RoleC, 2 | =>
    NameB, MeshedChannels, 7
);

// C
create_send_mpst_cancel_bundle!(
    send_mpst_c_to_b, RoleB, 2 |
    send_mpst_c_to_d, RoleD, 3 | =>
    NameC, MeshedChannels, 7
);

// D
create_send_mpst_cancel_bundle!(
    send_mpst_d_to_c, RoleC, 3 |
    send_mpst_d_to_e, RoleE, 4 | =>
    NameD, MeshedChannels, 7
);

// E
create_send_mpst_cancel_bundle!(
    send_mpst_e_to_d, RoleD, 4 |
    send_mpst_e_to_f, RoleF, 5 | =>
    NameE, MeshedChannels, 7
);

// F
create_send_mpst_cancel_bundle!(
    send_mpst_f_to_e, RoleE, 5 |
    send_mpst_f_to_g, RoleG, 6 | =>
    NameF, MeshedChannels, 7
);

// G
create_send_mpst_cancel_bundle!(
    send_mpst_g_to_f, RoleF, 6 | =>
    NameG, MeshedChannels, 7
);

// Create new recv functions and related types
// A
create_recv_mpst_session_bundle!(
    recv_mpst_a_from_b, RoleB, 1 |
    recv_mpst_a_from_g, RoleG, 6 | =>
    NameA, MeshedChannels, 7
);

// B
create_recv_mpst_session_bundle!(
    recv_mpst_b_from_a, RoleA, 1 |
    recv_mpst_b_from_c, RoleC, 2 |
    recv_mpst_b_from_g, RoleG, 6 | =>
    NameB, MeshedChannels, 7
);

// C
create_recv_mpst_session_bundle!(
    recv_mpst_c_from_b, RoleB, 2 |
    recv_mpst_c_from_d, RoleD, 3 |
    recv_mpst_c_from_g, RoleG, 6 | =>
    NameC, MeshedChannels, 7
);

// D
create_recv_mpst_session_bundle!(
    recv_mpst_d_from_c, RoleC, 3 |
    recv_mpst_d_from_e, RoleE, 4 |
    recv_mpst_d_from_g, RoleG, 6 | =>
    NameD, MeshedChannels, 7
);

// E
create_recv_mpst_session_bundle!(
    recv_mpst_e_from_d, RoleD, 4 |
    recv_mpst_e_from_f, RoleF, 5 |
    recv_mpst_e_from_g, RoleG, 6 | =>
    NameE, MeshedChannels, 7
);

// F
create_recv_mpst_session_bundle!(
    recv_mpst_f_from_e, RoleE, 5 |
    recv_mpst_f_from_g, RoleG, 6 | =>
    NameF, MeshedChannels, 7
);

// G
create_recv_mpst_session_bundle!(
    recv_mpst_g_from_f, RoleF, 6 | =>
    NameG, MeshedChannels, 7
);

// Types
// A
enum Branching0fromGtoA {
    Forward(
        MeshedChannels<
            Send<(), End>,
            End,
            End,
            End,
            End,
            RecursAtoG,
            RoleB<RoleG<RoleEnd>>,
            NameA,
        >,
    ),
    Backward(
        MeshedChannels<
            Recv<(), End>,
            End,
            End,
            End,
            End,
            RecursAtoG,
            RoleB<RoleG<RoleEnd>>,
            NameA,
        >,
    ),
    Done(MeshedChannels<End, End, End, End, End, End, RoleEnd, NameA>),
}
type RecursAtoG = <Choose0fromGtoA as Session>::Dual;

// B
enum Branching0fromGtoB {
    Forward(
        MeshedChannels<
            Recv<(), End>,
            Send<(), End>,
            End,
            End,
            End,
            RecursBtoG,
            RoleA<RoleC<RoleG<RoleEnd>>>,
            NameB,
        >,
    ),
    Backward(
        MeshedChannels<
            Send<(), End>,
            Recv<(), End>,
            End,
            End,
            End,
            RecursBtoG,
            RoleC<RoleA<RoleG<RoleEnd>>>,
            NameB,
        >,
    ),
    Done(MeshedChannels<End, End, End, End, End, End, RoleEnd, NameB>),
}
type RecursBtoG = <Choose0fromGtoB as Session>::Dual;

// C
enum Branching0fromGtoC {
    Forward(
        MeshedChannels<
            End,
            Recv<(), End>,
            Send<(), End>,
            End,
            End,
            RecursCtoG,
            RoleB<RoleD<RoleG<RoleEnd>>>,
            NameC,
        >,
    ),
    Backward(
        MeshedChannels<
            End,
            Send<(), End>,
            Recv<(), End>,
            End,
            End,
            RecursCtoG,
            RoleD<RoleB<RoleG<RoleEnd>>>,
            NameC,
        >,
    ),
    Done(MeshedChannels<End, End, End, End, End, End, RoleEnd, NameC>),
}
type RecursCtoG = <Choose0fromGtoC as Session>::Dual;

// D
enum Branching0fromGtoD {
    Forward(
        MeshedChannels<
            End,
            End,
            Recv<(), End>,
            Send<(), End>,
            End,
            RecursDtoG,
            RoleC<RoleE<RoleG<RoleEnd>>>,
            NameD,
        >,
    ),
    Backward(
        MeshedChannels<
            End,
            End,
            Send<(), End>,
            Recv<(), End>,
            End,
            RecursDtoG,
            RoleE<RoleC<RoleG<RoleEnd>>>,
            NameD,
        >,
    ),
    Done(MeshedChannels<End, End, End, End, End, End, RoleEnd, NameD>),
}
type RecursDtoG = <Choose0fromGtoD as Session>::Dual;

// E
enum Branching0fromGtoE {
    Forward(
        MeshedChannels<
            End,
            End,
            End,
            Recv<(), End>,
            Send<(), End>,
            RecursEtoG,
            RoleD<RoleF<RoleG<RoleEnd>>>,
            NameE,
        >,
    ),
    Backward(
        MeshedChannels<
            End,
            End,
            End,
            Send<(), End>,
            Recv<(), End>,
            RecursEtoG,
            RoleF<RoleD<RoleG<RoleEnd>>>,
            NameE,
        >,
    ),
    Done(MeshedChannels<End, End, End, End, End, End, RoleEnd, NameE>),
}
type RecursEtoG = <Choose0fromGtoE as Session>::Dual;

// F
enum Branching0fromGtoF {
    Forward(
        MeshedChannels<
            End,
            End,
            End,
            End,
            Recv<(), End>,
            Send<(), RecursFtoG>,
            RoleE<RoleG<RoleG<RoleEnd>>>,
            NameF,
        >,
    ),
    Backward(
        MeshedChannels<
            End,
            End,
            End,
            End,
            Send<(), End>,
            Recv<(), RecursFtoG>,
            RoleG<RoleE<RoleG<RoleEnd>>>,
            NameF,
        >,
    ),
    Done(MeshedChannels<End, End, End, End, End, End, RoleEnd, NameF>),
}
type RecursFtoG = <Choose0fromGtoF as Session>::Dual;

// F
type Choose0fromGtoA = Send<Branching0fromGtoA, End>;
type Choose0fromGtoB = Send<Branching0fromGtoB, End>;
type Choose0fromGtoC = Send<Branching0fromGtoC, End>;
type Choose0fromGtoD = Send<Branching0fromGtoD, End>;
type Choose0fromGtoE = Send<Branching0fromGtoE, End>;
type Choose0fromGtoF = Send<Branching0fromGtoF, End>;
type EndpointDoneG = MeshedChannels<End, End, End, End, End, End, RoleEnd, NameG>;
type EndpointForwardG = MeshedChannels<
    Choose0fromGtoA,
    Choose0fromGtoB,
    Choose0fromGtoC,
    Choose0fromGtoD,
    Choose0fromGtoE,
    Recv<(), Choose0fromGtoF>,
    RoleF<RoleBroadcast>,
    NameG,
>;
type EndpointBackwardG = MeshedChannels<
    Choose0fromGtoA,
    Choose0fromGtoB,
    Choose0fromGtoC,
    Choose0fromGtoD,
    Choose0fromGtoE,
    Send<(), Choose0fromGtoF>,
    RoleF<RoleBroadcast>,
    NameG,
>;

// Creating the MP sessions
type EndpointA = MeshedChannels<End, End, End, End, End, RecursAtoG, RoleG<RoleEnd>, NameA>;
type EndpointB = MeshedChannels<End, End, End, End, End, RecursBtoG, RoleG<RoleEnd>, NameB>;
type EndpointC = MeshedChannels<End, End, End, End, End, RecursCtoG, RoleG<RoleEnd>, NameC>;
type EndpointD = MeshedChannels<End, End, End, End, End, RecursDtoG, RoleG<RoleEnd>, NameD>;
type EndpointE = MeshedChannels<End, End, End, End, End, RecursEtoG, RoleG<RoleEnd>, NameE>;
type EndpointF = MeshedChannels<End, End, End, End, End, RecursFtoG, RoleG<RoleEnd>, NameF>;
type EndpointG = MeshedChannels<
    Choose0fromGtoA,
    Choose0fromGtoB,
    Choose0fromGtoC,
    Choose0fromGtoD,
    Choose0fromGtoE,
    Choose0fromGtoF,
    RoleBroadcast,
    NameG,
>;

create_fn_choose_mpst_multi_to_all_bundle!(
    done_from_g_to_all, forward_from_g_to_all, backward_from_g_to_all, =>
    Done, Forward, Backward, =>
    EndpointDoneG, EndpointForwardG, EndpointBackwardG, =>
    Branching0fromGtoA,
    Branching0fromGtoB,
    Branching0fromGtoC,
    Branching0fromGtoD,
    Branching0fromGtoE,
    Branching0fromGtoF, =>
    NameA, NameB, NameC, NameD, NameE, NameF, =>
    NameG, MeshedChannels, 7
);

fn endpoint_a(s: EndpointA) -> Result<(), Box<dyn Error>> {
    offer_mpst!(s, recv_mpst_a_from_g, {
        Branching0fromGtoA::Done(s) => {
            close_mpst_multi(s)
        },
        Branching0fromGtoA::Forward(s) => {
            let s = send_mpst_a_to_b((), s)?;
            endpoint_a(s)
        },
        Branching0fromGtoA::Backward(s) => {
            let (_, s) = recv_mpst_a_from_b(s)?;
            endpoint_a(s)
        },
    })
}

fn endpoint_b(s: EndpointB) -> Result<(), Box<dyn Error>> {
    offer_mpst!(s, recv_mpst_b_from_g, {
        Branching0fromGtoB::Done(s) => {
            close_mpst_multi(s)
        },
        Branching0fromGtoB::Forward(s) => {
            let ((), s) = recv_mpst_b_from_a(s)?;
            let s = send_mpst_b_to_c((), s)?;
            endpoint_b(s)
        },
        Branching0fromGtoB::Backward(s) => {
            let ((), s) = recv_mpst_b_from_c(s)?;
            let s = send_mpst_b_to_a((), s)?;
            endpoint_b(s)
        },
    })
}

fn endpoint_c(s: EndpointC) -> Result<(), Box<dyn Error>> {
    offer_mpst!(s, recv_mpst_c_from_g, {
        Branching0fromGtoC::Done(s) => {
            close_mpst_multi(s)
        },
        Branching0fromGtoC::Forward(s) => {
            let ((), s) = recv_mpst_c_from_b(s)?;
            let s = send_mpst_c_to_d((), s)?;
            endpoint_c(s)
        },
        Branching0fromGtoC::Backward(s) => {
            let ((), s) = recv_mpst_c_from_d(s)?;
            let s = send_mpst_c_to_b((), s)?;
            endpoint_c(s)
        },
    })
}

fn endpoint_d(s: EndpointD) -> Result<(), Box<dyn Error>> {
    offer_mpst!(s, recv_mpst_d_from_g, {
        Branching0fromGtoD::Done(s) => {
            close_mpst_multi(s)
        },
        Branching0fromGtoD::Forward(s) => {
            let ((), s) = recv_mpst_d_from_c(s)?;
            let s = send_mpst_d_to_e((), s)?;
            endpoint_d(s)
        },
        Branching0fromGtoD::Backward(s) => {
            let ((), s) = recv_mpst_d_from_e(s)?;
            let s = send_mpst_d_to_c((), s)?;
            endpoint_d(s)
        },
    })
}

fn endpoint_e(s: EndpointE) -> Result<(), Box<dyn Error>> {
    offer_mpst!(s, recv_mpst_e_from_g, {
        Branching0fromGtoE::Done(s) => {
            close_mpst_multi(s)
        },
        Branching0fromGtoE::Forward(s) => {
            let ((), s) = recv_mpst_e_from_d(s)?;
            let s = send_mpst_e_to_f((), s)?;
            endpoint_e(s)
        },
        Branching0fromGtoE::Backward(s) => {
            let ((), s) = recv_mpst_e_from_f(s)?;
            let s = send_mpst_e_to_d((), s)?;
            endpoint_e(s)
        },
    })
}

fn endpoint_f(s: EndpointF) -> Result<(), Box<dyn Error>> {
    offer_mpst!(s, recv_mpst_f_from_g, {
        Branching0fromGtoF::Done(s) => {
            close_mpst_multi(s)
        },
        Branching0fromGtoF::Forward(s) => {
            let ((), s) = recv_mpst_f_from_e(s)?;
            let s = send_mpst_f_to_g((), s)?;
            endpoint_f(s)
        },
        Branching0fromGtoF::Backward(s) => {
            let ((), s) = recv_mpst_f_from_g(s)?;
            let s = send_mpst_f_to_e((), s)?;
            endpoint_f(s)
        },
    })
}

fn endpoint_g(s: EndpointG) -> Result<(), Box<dyn Error>> {
    recurs_g(s, 100)
}

fn recurs_g(s: EndpointG, index: i64) -> Result<(), Box<dyn Error>> {
    match index {
        0 => {
            let s = done_from_g_to_all(s);

            close_mpst_multi(s)
        }
        i if i % 2 == 0 => {
            let s = forward_from_g_to_all(s);

            let (_, s) = recv_mpst_g_from_f(s)?;

            recurs_g(s, i - 1)
        }
        i => {
            let s = backward_from_g_to_all(s);

            let s = send_mpst_g_to_f((), s)?;

            recurs_g(s, i - 1)
        }
    }
}

fn main() {
    let (thread_a, thread_b, thread_c, thread_d, thread_e, thread_f, thread_g) = fork_mpst(
        endpoint_a, endpoint_b, endpoint_c, endpoint_d, endpoint_e, endpoint_f, endpoint_g,
    );

    thread_a.join().unwrap();
    thread_b.join().unwrap();
    thread_c.join().unwrap();
    thread_d.join().unwrap();
    thread_e.join().unwrap();
    thread_f.join().unwrap();
    thread_g.join().unwrap();
}