use std::collections::{HashMap, BTreeMap};
use std::io::Read;
use serde::{Serialize, Deserialize};
use rand::{Rng, SeedableRng};
use rand::distributions::{WeightedIndex, Distribution};

use crate::entity::item::ItemDetail;
use crate::entity::item::tech::{Technique, TechniqueDisk};
use crate::ship::room::{Difficulty, Episode};
use crate::ship::map::MapVariantType;
use crate::entity::character::SectionID;
use crate::ship::drops::load_data_file;



#[derive(Debug, Serialize, Deserialize)]
struct TechniqueRateStat {
    rate: u32,
    min: i32,
    max: i32,
}


#[derive(Debug, Serialize, Deserialize)]
struct TechniqueRate {
    #[serde(rename = "Foie")]
    foie: TechniqueRateStat,
    #[serde(rename = "Gifoie")]
    gifoie: TechniqueRateStat,
    #[serde(rename = "Rafoie")]
    rafoie: TechniqueRateStat,
    #[serde(rename = "Zonde")]
    zonde: TechniqueRateStat,
    #[serde(rename = "Gizonde")]
    gizonde: TechniqueRateStat,
    #[serde(rename = "Razonde")]
    razonde: TechniqueRateStat,
    #[serde(rename = "Barta")]
    barta: TechniqueRateStat,
    #[serde(rename = "Gibarta")]
    gibarta: TechniqueRateStat,
    #[serde(rename = "Rabarta")]
    rabarta: TechniqueRateStat,
    #[serde(rename = "Grants")]
    grants: TechniqueRateStat,
    #[serde(rename = "Deband")]
    deband: TechniqueRateStat,
    #[serde(rename = "Jellen")]
    jellen: TechniqueRateStat,
    #[serde(rename = "Zalure")]
    zalure: TechniqueRateStat,
    #[serde(rename = "Shifta")]
    shifta: TechniqueRateStat,
    #[serde(rename = "Ryuker")]
    ryuker: TechniqueRateStat,
    #[serde(rename = "Resta")]
    resta: TechniqueRateStat,
    #[serde(rename = "Anti")]
    anti: TechniqueRateStat,
    #[serde(rename = "Reverser")]
    reverser: TechniqueRateStat,
    #[serde(rename = "Megid")]
    megid: TechniqueRateStat,
}



#[derive(Debug, Serialize, Deserialize)]
struct TechniqueRates {
    area1: TechniqueRate,
    area2: TechniqueRate,
    area3: TechniqueRate,
    area4: TechniqueRate,
    area5: TechniqueRate,
    area6: TechniqueRate,
    area7: TechniqueRate,
    area8: TechniqueRate,
    area9: TechniqueRate,
    area10: TechniqueRate,
}


pub struct TechniqueTable {
    rates: TechniqueRates
}

impl TechniqueTable {
    pub fn new(episode: Episode, difficulty: Difficulty, section_id: SectionID) -> TechniqueTable {
        TechniqueTable {
            rates: load_data_file(episode, difficulty, section_id, "tech_rate.toml")
        }
    }
        
    pub fn get_drop<R: Rng>(&self, map_area: &MapVariantType, rng: &mut R) -> Option<ItemDetail> {
        None
    }
}