mod common;

#[cfg(test)]
mod integration_tests {
    use crate::common::validate_all_constraints;
    use rota_lib::{
        config::UserConfig,
        fixtures::{
            complex_config, hard_config, manual_shifts_heavy_config, maximal_config, minimal_config,
        },
        schedule::MonthlySchedule,
        scheduler::Scheduler,
        workload::WorkloadTracker,
    };
    use rstest::rstest;

    #[ctor::ctor]
    fn global_setup() {
        env_logger::builder()
            .filter_level(log::LevelFilter::Info)
            .init();
    }

    #[rstest]
    fn test_minimal_config(
        #[values(1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12)] month_idx: u8,
        mut minimal_config: UserConfig,
    ) -> anyhow::Result<()> {
        minimal_config.update_month(month_idx);
        let scheduler = Scheduler::new_with_config(minimal_config.clone());
        let mut schedule = MonthlySchedule::new();
        let mut tracker = WorkloadTracker::default();

        let solved = scheduler.run(&mut schedule, &mut tracker)?;
        println!(
            "{}",
            schedule.report(&schedule.metrics(&minimal_config, &tracker))
        );
        assert!(solved);
        validate_all_constraints(&schedule, &tracker, &minimal_config);

        Ok(())
    }

    #[rstest]
    fn test_maximal_config(
        #[values(1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12)] month_idx: u8,
        mut maximal_config: UserConfig,
    ) -> anyhow::Result<()> {
        maximal_config.update_month(month_idx);
        let scheduler = Scheduler::new_with_config(maximal_config.clone());
        let mut schedule = MonthlySchedule::new();
        let mut tracker = WorkloadTracker::default();

        let solved = scheduler.run(&mut schedule, &mut tracker)?;
        println!(
            "{}",
            schedule.report(&schedule.metrics(&maximal_config, &tracker))
        );
        assert!(solved);
        validate_all_constraints(&schedule, &tracker, &maximal_config);

        Ok(())
    }

    #[rstest]
    fn test_manual_shifts_heavy_config(
        #[values(1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12)] month_idx: u8,
        mut manual_shifts_heavy_config: UserConfig,
    ) -> anyhow::Result<()> {
        manual_shifts_heavy_config.update_month(month_idx);
        let scheduler = Scheduler::new_with_config(manual_shifts_heavy_config.clone());
        let mut schedule = MonthlySchedule::new();
        let mut tracker = WorkloadTracker::default();

        let solved = scheduler.run(&mut schedule, &mut tracker)?;
        println!(
            "{}",
            schedule.report(&schedule.metrics(&manual_shifts_heavy_config, &tracker))
        );
        assert!(solved);
        validate_all_constraints(&schedule, &tracker, &manual_shifts_heavy_config);

        Ok(())
    }

    #[rstest]
    fn test_complex_config(
        #[values(1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12)] month_idx: u8,
        mut complex_config: UserConfig,
    ) -> anyhow::Result<()> {
        complex_config.update_month(month_idx);
        let scheduler = Scheduler::new_with_config(complex_config.clone());
        let mut schedule = MonthlySchedule::new();
        let mut tracker = WorkloadTracker::default();

        let solved = scheduler.run(&mut schedule, &mut tracker)?;
        println!(
            "{}",
            schedule.report(&schedule.metrics(&complex_config, &tracker))
        );
        assert!(solved);
        validate_all_constraints(&schedule, &tracker, &complex_config);

        Ok(())
    }

    #[rstest]
    fn test_hard_config(
        #[values(1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12)] month_idx: u8,
        mut hard_config: UserConfig,
    ) -> anyhow::Result<()> {
        hard_config.update_month(month_idx);
        let scheduler = Scheduler::new_with_config(hard_config.clone());
        let mut schedule = MonthlySchedule::new();
        let mut tracker = WorkloadTracker::default();

        let solved = scheduler.run(&mut schedule, &mut tracker)?;
        println!(
            "{}",
            schedule.report(&schedule.metrics(&hard_config, &tracker))
        );
        assert!(solved);
        validate_all_constraints(&schedule, &tracker, &hard_config);

        Ok(())
    }

    #[rstest]
    fn test_export_pipeline(minimal_config: UserConfig) -> anyhow::Result<()> {
        let scheduler = Scheduler::new_with_config(minimal_config.clone());
        let mut schedule = MonthlySchedule::new();
        let mut tracker = WorkloadTracker::default();
        assert!(scheduler.run(&mut schedule, &mut tracker)?);

        schedule.export_as_docx(&minimal_config)?;

        let metadata = std::fs::metadata("rota.docx")?;
        assert!(metadata.len() > 0);
        std::fs::remove_file("rota.docx")?;

        Ok(())
    }
}