using HSchool.Content;
using HSchool.People;

namespace HSchool.Simulation;

/// <summary>
/// After marks or absences: info toast, class-teacher log, and optional auto summons weight.
/// Illness absences do not become summons offenses.
/// </summary>
internal static class GradeTrailSystem
{
    public static void AfterMark(School school, Person person)
    {
        if (school.Catalog?.BehaviorRules is not { } rules)
        {
            return;
        }

        TryReact(school, person, rules);
    }

    public static void AfterAbsent(School school, Person person, string? absenceReason)
    {
        if (school.Catalog?.BehaviorRules is not { } rules)
        {
            return;
        }

        if (GradeTrail.CountsAsSummonOffense(absenceReason)
            && OffenseMemory.Record(person, OffenseKinds.Truancy, school.Clock.Time, otherPersonId: null, rules))
        {
            school.RosterTalkDirty = true;
        }

        TryReact(school, person, rules);
    }

    private static void TryReact(School school, Person person, BehaviorDef rules)
    {
        if (!GradeTrail.IsPoor(person, rules))
        {
            return;
        }

        if (!school.TryClaimGradeTrailNotice(person.Id, school.Clock.Time.Date))
        {
            return;
        }

        school.RaiseWorldEvent(new WorldEvent(EventTriggers.PoorGradeTrail, person.Id));

        var schoolClass = ClassOf(school, person);
        if (schoolClass?.ClassTeacherId is { } teacherId)
        {
            school.AppendDayLog(new PersonLogEvent(
                person.Id,
                school.Clock.Time,
                PersonLogTypes.ClassTeacherGradeNote,
                teacherId));
        }

        if (rules.GradeTrailSummonChance > 0f)
        {
            DirectorSummonSystem.TryEnqueue(school, person.Id, rules.GradeTrailSummonChance);
        }
    }

    private static SchoolClass? ClassOf(School school, Person person)
    {
        if (person.ClassId is null || school.Roster is null)
        {
            return null;
        }

        return school.Roster.Classes.FirstOrDefault(row =>
            row.Id.Equals(person.ClassId, StringComparison.Ordinal));
    }
}