use bevy::prelude::*;
use std::env;

#[derive(Resource)]
pub struct Settings {
    pub mute_sfx: bool,
    pub mute_music: bool,
    pub volume_sfx: u8,
    pub volume_music: u8,
    pub font_size_hud: f32,
    pub font_size_conversations: f32,
    pub hud_active: bool,
    pub key_togglehud: KeyCode,
    pub key_exit: KeyCode,
    pub key_restart: KeyCode,
    pub key_fullscreen: KeyCode,
    pub key_forward: KeyCode,
    pub key_back: KeyCode,
    pub key_left: KeyCode,
    pub key_right: KeyCode,
    pub key_up: KeyCode,
    pub key_down: KeyCode,
    pub key_run: KeyCode,
    pub key_stop: KeyCode,
    pub key_interact: KeyCode,
    pub key_reply1: KeyCode,
    pub key_reply2: KeyCode,
    pub key_reply3: KeyCode,
    pub key_reply4: KeyCode,
    pub key_reply5: KeyCode,
    pub key_reply6: KeyCode,
    pub key_reply7: KeyCode,
    pub key_reply8: KeyCode,
    pub key_reply9: KeyCode,
    pub key_reply10: KeyCode,
}

impl Default for Settings {
    fn default() -> Self {
        let default_mute_sfx;
        let default_mute_music;
        if let Ok(_) = env::var("CARGO") {
            // Mute audio by default when run through `cargo`
            default_mute_sfx = cfg!(debug_assertions);
            default_mute_music = cfg!(debug_assertions);
        }
        else {
            default_mute_sfx = false;
            default_mute_music = false;
        }

        Settings {
            mute_sfx: default_mute_sfx,
            mute_music: default_mute_music,
            volume_sfx: 100,
            volume_music: 100,
            font_size_hud: 32.0,
            font_size_conversations: 32.0,
            hud_active: false,
            key_togglehud: KeyCode::Tab,
            key_exit: KeyCode::Escape,
            key_restart: KeyCode::F12,
            key_fullscreen: KeyCode::F11,
            key_forward: KeyCode::KeyW,
            key_back: KeyCode::KeyS,
            key_left: KeyCode::KeyA,
            key_right: KeyCode::KeyD,
            key_up: KeyCode::ShiftLeft,
            key_down: KeyCode::ControlLeft,
            key_run: KeyCode::KeyR,
            key_stop: KeyCode::Space,
            key_interact: KeyCode::KeyE,
            key_reply1: KeyCode::Digit1,
            key_reply2: KeyCode::Digit2,
            key_reply3: KeyCode::Digit3,
            key_reply4: KeyCode::Digit4,
            key_reply5: KeyCode::Digit5,
            key_reply6: KeyCode::Digit6,
            key_reply7: KeyCode::Digit7,
            key_reply8: KeyCode::Digit8,
            key_reply9: KeyCode::Digit9,
            key_reply10: KeyCode::Digit0,
        }
    }
}

impl Settings {
    pub fn reset(&mut self) {
        println!("Resetting settings!");
        *self = Self::default();
    }

    pub fn get_reply_keys(&self) -> [KeyCode; 10] {
        return [
            self.key_reply1,
            self.key_reply2,
            self.key_reply3,
            self.key_reply4,
            self.key_reply5,
            self.key_reply6,
            self.key_reply7,
            self.key_reply8,
            self.key_reply9,
            self.key_reply10,
        ];
    }
}