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

use criterion::{black_box, criterion_group, criterion_main, Criterion};

use mpstthree::binary::struct_trait::{end::End, recv::Recv, send::Send};
use mpstthree::generate;
use mpstthree::role::broadcast::RoleBroadcast;
use mpstthree::role::end::RoleEnd;

use std::error::Error;

// Create new roles
generate!("rec_and_cancel", MeshedChannels, A, B, C, D, E, F, G);

// Types
// Send/Recv
type RS = Recv<(), Send<(), End>>;
type SR = Send<(), Recv<(), End>>;

// Roles
type R2A<R> = RoleA<RoleA<R>>;
type R2B<R> = RoleB<RoleB<R>>;
type R2C<R> = RoleC<RoleC<R>>;
type R2D<R> = RoleD<RoleD<R>>;
type R2E<R> = RoleE<RoleE<R>>;
type R2F<R> = RoleF<RoleF<R>>;
type R2G<R> = RoleG<RoleG<R>>;

// A
enum Branching0fromGtoA {
    More(
        MeshedChannels<
            RS,
            RS,
            RS,
            RS,
            RS,
            Recv<(), Send<(), RecursAtoG>>,
            R2G<R2B<R2C<R2D<R2E<R2F<RoleG<RoleEnd>>>>>>>,
            NameA,
        >,
    ),
    Done(MeshedChannels<End, End, End, End, End, End, RoleEnd, NameA>),
}
type RecursAtoG = Recv<Branching0fromGtoA, End>;

// B
enum Branching0fromGtoB {
    More(
        MeshedChannels<
            SR,
            RS,
            RS,
            RS,
            RS,
            Recv<(), Send<(), RecursBtoG>>,
            R2G<R2A<R2C<R2D<R2E<R2F<RoleG<RoleEnd>>>>>>>,
            NameB,
        >,
    ),
    Done(MeshedChannels<End, End, End, End, End, End, RoleEnd, NameB>),
}
type RecursBtoG = Recv<Branching0fromGtoB, End>;

// C
enum Branching0fromGtoC {
    More(
        MeshedChannels<
            SR,
            SR,
            RS,
            RS,
            RS,
            Recv<(), Send<(), RecursCtoG>>,
            R2G<R2A<R2B<R2D<R2E<R2F<RoleG<RoleEnd>>>>>>>,
            NameC,
        >,
    ),
    Done(MeshedChannels<End, End, End, End, End, End, RoleEnd, NameC>),
}
type RecursCtoG = Recv<Branching0fromGtoC, End>;

// D
enum Branching0fromGtoD {
    More(
        MeshedChannels<
            SR,
            SR,
            SR,
            RS,
            RS,
            Recv<(), Send<(), RecursDtoG>>,
            R2G<R2A<R2B<R2C<R2E<R2F<RoleG<RoleEnd>>>>>>>,
            NameD,
        >,
    ),
    Done(MeshedChannels<End, End, End, End, End, End, RoleEnd, NameD>),
}
type RecursDtoG = Recv<Branching0fromGtoD, End>;

// E
enum Branching0fromGtoE {
    More(
        MeshedChannels<
            SR,
            SR,
            SR,
            SR,
            RS,
            Recv<(), Send<(), RecursEtoG>>,
            R2G<R2A<R2B<R2C<R2D<R2F<RoleG<RoleEnd>>>>>>>,
            NameE,
        >,
    ),
    Done(MeshedChannels<End, End, End, End, End, End, RoleEnd, NameE>),
}
type RecursEtoG = Recv<Branching0fromGtoE, End>;

// F
enum Branching0fromGtoF {
    More(
        MeshedChannels<
            SR,
            SR,
            SR,
            SR,
            SR,
            Recv<(), Send<(), RecursFtoG>>,
            R2G<R2A<R2B<R2C<R2D<R2E<RoleG<RoleEnd>>>>>>>,
            NameF,
        >,
    ),
    Done(MeshedChannels<End, End, End, End, End, End, RoleEnd, NameF>),
}
type RecursFtoG = Recv<Branching0fromGtoF, End>;

// 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 EndpointMoreG = MeshedChannels<
    Send<(), Recv<(), Choose0fromGtoA>>,
    Send<(), Recv<(), Choose0fromGtoB>>,
    Send<(), Recv<(), Choose0fromGtoC>>,
    Send<(), Recv<(), Choose0fromGtoD>>,
    Send<(), Recv<(), Choose0fromGtoE>>,
    Send<(), Recv<(), Choose0fromGtoF>>,
    R2A<R2B<R2C<R2D<R2E<R2F<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,
>;

fn endpoint_a(s: EndpointA) -> Result<(), Box<dyn Error>> {
    offer_mpst!(s, {
        Branching0fromGtoA::Done(s) => {
            s.close()
        },
        Branching0fromGtoA::More(s) => {
            let (_, s) = s.recv()?;
            let s = s.send(())?;
            let (_, s) = s.recv()?;
            let s = s.send(())?;
            let (_, s) = s.recv()?;
            let s = s.send(())?;
            let (_, s) = s.recv()?;
            let s = s.send(())?;
            let (_, s) = s.recv()?;
            let s = s.send(())?;
            let (_, s) = s.recv()?;
            let s = s.send(())?;
            endpoint_a(s)
        },
    })
}

fn endpoint_b(s: EndpointB) -> Result<(), Box<dyn Error>> {
    offer_mpst!(s, {
        Branching0fromGtoB::Done(s) => {
            s.close()
        },
        Branching0fromGtoB::More(s) => {
            let (_, s) = s.recv()?;
            let s = s.send(())?;
            let s = s.send(())?;
            let (_, s) = s.recv()?;
            let (_, s) = s.recv()?;
            let s = s.send(())?;
            let (_, s) = s.recv()?;
            let s = s.send(())?;
            let (_, s) = s.recv()?;
            let s = s.send(())?;
            let (_, s) = s.recv()?;
            let s = s.send(())?;
            endpoint_b(s)
        },
    })
}

fn endpoint_c(s: EndpointC) -> Result<(), Box<dyn Error>> {
    offer_mpst!(s, {
        Branching0fromGtoC::Done(s) => {
            s.close()
        },
        Branching0fromGtoC::More(s) => {
            let (_, s) = s.recv()?;
            let s = s.send(())?;
            let s = s.send(())?;
            let (_, s) = s.recv()?;
            let s = s.send(())?;
            let (_, s) = s.recv()?;
            let (_, s) = s.recv()?;
            let s = s.send(())?;
            let (_, s) = s.recv()?;
            let s = s.send(())?;
            let (_, s) = s.recv()?;
            let s = s.send(())?;
            endpoint_c(s)
        },
    })
}

fn endpoint_d(s: EndpointD) -> Result<(), Box<dyn Error>> {
    offer_mpst!(s, {
        Branching0fromGtoD::Done(s) => {
            s.close()
        },
        Branching0fromGtoD::More(s) => {
            let (_, s) = s.recv()?;
            let s = s.send(())?;
            let s = s.send(())?;
            let (_, s) = s.recv()?;
            let s = s.send(())?;
            let (_, s) = s.recv()?;
            let s = s.send(())?;
            let (_, s) = s.recv()?;
            let (_, s) = s.recv()?;
            let s = s.send(())?;
            let (_, s) = s.recv()?;
            let s = s.send(())?;
            endpoint_d(s)
        },
    })
}

fn endpoint_e(s: EndpointE) -> Result<(), Box<dyn Error>> {
    offer_mpst!(s, {
        Branching0fromGtoE::Done(s) => {
            s.close()
        },
        Branching0fromGtoE::More(s) => {
            let (_, s) = s.recv()?;
            let s = s.send(())?;
            let s = s.send(())?;
            let (_, s) = s.recv()?;
            let s = s.send(())?;
            let (_, s) = s.recv()?;
            let s = s.send(())?;
            let (_, s) = s.recv()?;
            let s = s.send(())?;
            let (_, s) = s.recv()?;
            let (_, s) = s.recv()?;
            let s = s.send(())?;
            endpoint_e(s)
        },
    })
}

fn endpoint_f(s: EndpointF) -> Result<(), Box<dyn Error>> {
    offer_mpst!(s, {
        Branching0fromGtoF::Done(s) => {
            s.close()
        },
        Branching0fromGtoF::More(s) => {
            let (_, s) = s.recv()?;
            let s = s.send(())?;
            let s = s.send(())?;
            let (_, s) = s.recv()?;
            let s = s.send(())?;
            let (_, s) = s.recv()?;
            let s = s.send(())?;
            let (_, s) = s.recv()?;
            let s = s.send(())?;
            let (_, s) = s.recv()?;
            let s = s.send(())?;
            let (_, s) = s.recv()?;
            endpoint_f(s)
        },
    })
}

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

fn recurs_g(s: EndpointG, index: i64) -> Result<(), Box<dyn Error>> {
    match index {
        0 => {
            let s = choose_mpst_g_to_all!(
                s,
                Branching0fromGtoA::Done,
                Branching0fromGtoB::Done,
                Branching0fromGtoC::Done,
                Branching0fromGtoD::Done,
                Branching0fromGtoE::Done,
                Branching0fromGtoF::Done
            );

            s.close()
        }
        i => {
            let s: EndpointMoreG = choose_mpst_g_to_all!(
                s,
                Branching0fromGtoA::More,
                Branching0fromGtoB::More,
                Branching0fromGtoC::More,
                Branching0fromGtoD::More,
                Branching0fromGtoE::More,
                Branching0fromGtoF::More
            );

            let s = s.send(())?;
            let (_, s) = s.recv()?;
            let s = s.send(())?;
            let (_, s) = s.recv()?;
            let s = s.send(())?;
            let (_, s) = s.recv()?;
            let s = s.send(())?;
            let (_, s) = s.recv()?;
            let s = s.send(())?;
            let (_, s) = s.recv()?;
            let s = s.send(())?;
            let (_, s) = s.recv()?;

            recurs_g(s, i - 1)
        }
    }
}

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

/////////////////////////

static LOOPS: i64 = 100;

pub fn mesh(c: &mut Criterion) {
    c.bench_function(&format!("mesh seven baking AMPST {LOOPS}"), |b| b.iter(aux));
}

/////////////////////////

criterion_group! {
    name = bench;
    config = Criterion::default().significance_level(0.05).without_plots().sample_size(100000);
    targets = mesh,
}

criterion_main! {
    bench
}