use std::io::Write;

use log::info;
use serde::Deserialize;

#[derive(Debug, Clone, Deserialize)]
pub struct TmdbQuery {
    pub page: usize,
    pub results: Vec<TmdbQueryResult>,
    pub total_pages: usize,
    pub total_results: usize,
}

#[derive(Debug, Clone, Deserialize)]
pub struct TmdbQueryResult {
    pub adult: bool,
    pub backdrop_path: String,
    pub genre_ids: Vec<u64>,
    pub id: u64,
    pub original_language: String,
    pub original_title: String,
    pub overview: String,
    pub popularity: f64,
    pub poster_path: String,
    pub release_date: String,
    pub title: String,
    pub video: bool,
    pub vote_average: f64,
    pub vote_count: usize,
}

#[derive(Debug, Clone, Deserialize)]
pub struct TmdbDetails {
    pub adult: bool,
    pub backdrop_path: Option<String>,
    pub genres: Vec<TmdbGenre>,
    pub id: u64,
    pub original_language: String,
    pub original_title: String,
    pub overview: String,
    pub popularity: f64,
    pub poster_path: Option<String>,
    pub release_date: String,
    pub title: String,
    pub video: bool,
    pub vote_average: f64,
    pub vote_count: usize,
    pub budget: usize,
    pub homepage: String,
    pub imdb_id: String,
    pub production_companies: Vec<TmdbProductionCompany>,
    pub revenue: usize,
    pub tagline: String,
}

#[derive(Debug, Clone, Deserialize)]
pub struct TmdbGenre {
    pub id: u64,
    pub name: String,
}

#[derive(Debug, Clone, Deserialize)]
pub struct TmdbProductionCompany {
    pub id: u64,
    pub name: String,
    pub logo_path: Option<String>,
}

pub fn tmdb_search(query: &str, key: &str) -> anyhow::Result<TmdbQuery> {
    info!("searching tmdb: {query:?}");
    Ok(reqwest::blocking::get(&format!(
        "https://api.themoviedb.org/3/search/movie?query={}&api_key={key}",
        query.replace(" ", "+")
    ))?
    .json::<TmdbQuery>()?)
}

pub fn tmdb_details(id: u64, key: &str) -> anyhow::Result<TmdbDetails> {
    info!("fetching details: {id:?}");
    Ok(reqwest::blocking::get(&format!(
        "https://api.themoviedb.org/3/movie/{id}?api_key={key}"
    ))?
    .json()?)
}

pub fn tmdb_image(path: &str, out: &mut impl Write) -> anyhow::Result<()> {
    info!("downloading image {path:?}");
    let mut res = reqwest::blocking::get(&format!("https://image.tmdb.org/t/p/original{path}"))?;
    res.copy_to(out)?;
    Ok(())
}