use crate::ChampInfo;
use indexmap::IndexMap;
use log::{error, info};
use serde_derive::{Deserialize, Serialize};
use serde_json::Value;
use std::fs;
use std::path::PathBuf;

#[derive(Serialize, Deserialize)]
struct ItemSet {
    title: String,
    #[serde(rename = "type")]
    type_: String,
    map: String,
    mode: String,
    priority: bool,
    sortrank: u32,
    blocks: Vec<Value>,
}

#[derive(Serialize, Deserialize, Debug)]
pub struct Build {
    #[serde(rename = "type")]
    pub type_: String,
    pub items: Vec<Item>,
}

#[derive(Serialize, Deserialize, Debug)]
pub struct Item {
    pub id: String,
    pub count: u8,
}

pub trait DataSource {
    fn get_alias(&self) -> &str;

    fn get_timeout(&self) -> u64;

    fn get_champs_with_positions_and_patch(
        &self,
        client: &ureq::Agent,
    ) -> (IndexMap<String, Vec<String>>, String);

    fn get_champ_data_with_win_pourcentage(
        &self,
        champ: &ChampInfo,
        position: &str,
        client: &ureq::Agent,
    ) -> Option<(Vec<Value>, f64)>;

    fn write_item_set(
        &self,
        champ: &ChampInfo,
        pos: &str,
        ver: &str,
        path: &PathBuf,
        client: &ureq::Agent,
    ) {
        info!("Retrieving data for {} at {}", champ.name, pos);
        let data = self.get_champ_data_with_win_pourcentage(champ, pos, client);

        match data {
            Some(data) => {
                let item_set = ItemSet {
                    title: format!("{} {} {} - {:.2}%", self.get_alias(), pos, ver, data.1),
                    type_: "custom".to_string(),
                    map: "any".to_string(),
                    mode: "any".to_string(),
                    priority: false,
                    sortrank: 0,
                    blocks: data.0,
                };

                info!("Writing item set for {} at {}", champ.name, pos);
                fs::write(
                    path.join(format!("{}_{}_{}.json", self.get_alias(), champ.id, pos)),
                    serde_json::to_string_pretty(&item_set).unwrap(),
                )
                .unwrap();
            }
            None => {
                error!("Can't get data for {} at {}", champ.id, pos);
            }
        }
    }
}