use crate::ffi::{ExternPointer, OwnedPtr};
use crate::static_data::EffectParameter;
use std::ffi::{c_char, CStr, CString};
use std::ptr::drop_in_place;

mod ability;
mod form;
mod growth_rate;
mod item;
mod learnable_moves;
mod move_data;
mod nature;
mod species;
mod statistic_set;

#[no_mangle]
extern "C" fn effect_parameter_new_bool(value: u8) -> OwnedPtr<EffectParameter> {
    Box::into_raw(Box::new(EffectParameter::Bool(value == 1)))
}

#[no_mangle]
extern "C" fn effect_parameter_new_int(value: i64) -> OwnedPtr<EffectParameter> {
    Box::into_raw(Box::new(EffectParameter::Int(value)))
}

#[no_mangle]
extern "C" fn effect_parameter_new_float(value: f32) -> OwnedPtr<EffectParameter> {
    Box::into_raw(Box::new(EffectParameter::Float(value)))
}

#[no_mangle]
unsafe extern "C" fn effect_parameter_new_string(value: *const c_char) -> OwnedPtr<EffectParameter> {
    Box::into_raw(Box::new(EffectParameter::String(
        CStr::from_ptr(value).to_str().unwrap().into(),
    )))
}

#[no_mangle]
unsafe extern "C" fn effect_parameter_drop(ptr: OwnedPtr<EffectParameter>) {
    drop_in_place(ptr)
}

#[no_mangle]
extern "C" fn effect_parameter_get_type(ptr: ExternPointer<EffectParameter>) -> u8 {
    match ptr.as_ref() {
        EffectParameter::Bool(_) => 0,
        EffectParameter::Int(_) => 1,
        EffectParameter::Float(_) => 2,
        EffectParameter::String(_) => 3,
    }
}

#[no_mangle]
extern "C" fn effect_parameter_get_as_bool(ptr: ExternPointer<EffectParameter>) -> u8 {
    let p = ptr.as_ref();
    if let EffectParameter::Bool(b) = p {
        return if *b { 1 } else { 0 };
    }
    panic!("Unexpected effect parameter. Expected bool, was: {}", p);
}

#[no_mangle]
extern "C" fn effect_parameter_get_as_int(ptr: ExternPointer<EffectParameter>) -> i64 {
    let p = ptr.as_ref();
    if let EffectParameter::Int(b) = p {
        return *b;
    }
    panic!("Unexpected effect parameter. Expected int, was: {}", p);
}

#[no_mangle]
extern "C" fn effect_parameter_get_as_float(ptr: ExternPointer<EffectParameter>) -> f32 {
    let p = ptr.as_ref();
    if let EffectParameter::Float(b) = p {
        return *b;
    }
    panic!("Unexpected effect parameter. Expected float, was: {}", p);
}

#[no_mangle]
extern "C" fn effect_parameter_get_as_string(ptr: ExternPointer<EffectParameter>) -> OwnedPtr<c_char> {
    let p = ptr.as_ref();
    if let EffectParameter::String(b) = p {
        return CString::new(b.str().to_string()).unwrap().into_raw();
    }
    panic!("Unexpected effect parameter. Expected string, was: {}", p);
}