use crate::common_usings::*;

script!(Struggle, "struggle");

impl Script for Struggle {
    fn new() -> Self {
        Self {}
    }

    fn get_name(&self) -> &'static str {
        Self::get_const_name()
    }

    fn get_capabilities(&self) -> &[ScriptCapabilities] {
        &[
            ScriptCapabilities::ChangeEffectiveness,
            ScriptCapabilities::IsInvulnerable,
            ScriptCapabilities::ChangeNumberOfHits,
            ScriptCapabilities::OnSecondaryEffect,
        ]
    }

    fn change_number_of_hits(
        &self,
        _choice: TurnChoice,
        number_of_hits: &mut u8,
    ) -> PkmnResult<()> {
        *number_of_hits = 1;
        Ok(())
    }

    fn is_invulnerable(
        &self,
        _move: ExecutingMove,
        _target: Pokemon,
        invulnerable: &mut bool,
    ) -> PkmnResult<()> {
        *invulnerable = false;
        Ok(())
    }

    fn change_effectiveness(
        &self,
        _move: ExecutingMove,
        _target: Pokemon,
        _hit: u8,
        effectiveness: &mut f32,
    ) -> PkmnResult<()> {
        *effectiveness = 1.0;
        Ok(())
    }

    fn on_secondary_effect(&self, mv: ExecutingMove, _target: Pokemon, _hit: u8) -> PkmnResult<()> {
        let mut damage = mv.user().max_health()? / 4;
        if damage == 0 {
            damage = 1
        }
        mv.user().damage(damage, DamageSource::Struggle)?;
        Ok(())
    }

    fn as_any(&self) -> &dyn Any {
        self
    }
}