use std::time::Duration;

use criterion::{criterion_group, criterion_main, Criterion};
use rand::{Rng, SeedableRng};

fn operations(c: &mut Criterion) {
  let mut group = c.benchmark_group("ops/text");
  group.measurement_time(Duration::from_secs(15));

  group.bench_function("yrs/insert", |b| {
    let base_text = "test1 test2 test3 test4 test5 test6 test7 test8 test9";
    let mut rng = rand_chacha::ChaCha20Rng::seed_from_u64(1234);

    let idxs = (0..99)
      .map(|_| rng.random_range(0..base_text.len() as u32))
      .collect::<Vec<_>>();
    b.iter(|| {
      use yrs::{Doc, Text, Transact};
      let doc = Doc::new();
      let text = doc.get_or_insert_text("test");
      let mut trx = doc.transact_mut();

      text.push(&mut trx, base_text);
      for idx in &idxs {
        text.insert(&mut trx, *idx, "test");
      }
      drop(trx);
    });
  });

  group.bench_function("yrs/remove", |b| {
    let base_text = "test1 test2 test3 test4 test5 test6 test7 test8 test9";

    b.iter(|| {
      use yrs::{Doc, Text, Transact};
      let doc = Doc::new();
      let text = doc.get_or_insert_text("test");
      let mut trx = doc.transact_mut();

      text.push(&mut trx, base_text);
      text.push(&mut trx, base_text);
      text.push(&mut trx, base_text);
      for idx in (base_text.len() as u32)..0 {
        text.remove_range(&mut trx, idx, 1);
      }
      drop(trx);
    });
  });

  group.finish();
}

criterion_group!(benches, operations);
criterion_main!(benches);