use ratatui::Frame;
use ratatui::layout::{Constraint, Flex, Layout, Rect};
use ratatui::style::Stylize;
use ratatui::text::{Line, Text};
use ratatui::widgets::{Cell, Paragraph, Row, Wrap};

use crate::app::App;
use crate::models::Route;
use crate::models::radarr_models::CollectionMovie;
use crate::models::servarr_data::radarr::radarr_data::{
  ActiveRadarrBlock, COLLECTION_DETAILS_BLOCKS,
};
use crate::ui::styles::ManagarrStyle;
use crate::ui::utils::{
  borderless_block, get_width_from_percentage, layout_block_top_border_with_title, title_block,
  title_style,
};
use crate::ui::widgets::managarr_table::ManagarrTable;
use crate::ui::widgets::popup::Size;
use crate::ui::{DrawUi, draw_popup};
use crate::utils::convert_runtime;

#[cfg(test)]
#[path = "collection_details_ui_tests.rs"]
mod collection_details_ui_tests;

pub(super) struct CollectionDetailsUi;

impl DrawUi for CollectionDetailsUi {
  fn accepts(route: Route) -> bool {
    if let Route::Radarr(active_radarr_block, context_option) = route {
      if let Some(context) = context_option {
        return COLLECTION_DETAILS_BLOCKS.contains(&active_radarr_block)
          || context == ActiveRadarrBlock::CollectionDetails;
      }

      return COLLECTION_DETAILS_BLOCKS.contains(&active_radarr_block);
    }

    false
  }

  fn draw(f: &mut Frame<'_>, app: &mut App<'_>, _area: Rect) {
    if let Route::Radarr(active_radarr_block, context_option) = app.get_current_route() {
      draw_popup(f, app, draw_collection_details, Size::Large);

      if context_option.unwrap_or(active_radarr_block) == ActiveRadarrBlock::ViewMovieOverview {
        draw_popup(f, app, draw_movie_overview, Size::Small);
      }
    }
  }
}

pub fn draw_collection_details(f: &mut Frame<'_>, app: &mut App<'_>, area: Rect) {
  let [description_area, table_area] =
    Layout::vertical([Constraint::Percentage(25), Constraint::Fill(0)])
      .margin(1)
      .areas(area);
  let collection_selection = app.data.radarr_data.collections.current_selection();
  let quality_profile = app
    .data
    .radarr_data
    .quality_profile_map
    .get_by_left(&collection_selection.quality_profile_id)
    .unwrap()
    .to_owned();
  let current_selection = if app.data.radarr_data.collection_movies.items.is_empty() {
    CollectionMovie::default()
  } else {
    app
      .data
      .radarr_data
      .collection_movies
      .current_selection()
      .clone()
  };
  let movie_row_mapper = |movie: &CollectionMovie| {
    let in_library = if app
      .data
      .radarr_data
      .movies
      .items
      .iter()
      .any(|mov| mov.tmdb_id == movie.tmdb_id)
    {
      "✔"
    } else {
      ""
    };
    movie.title.scroll_left_or_reset(
      get_width_from_percentage(table_area, 20),
      current_selection == *movie,
      app.ui_scroll_tick_count == 0,
    );
    let (hours, minutes) = convert_runtime(movie.runtime);
    let imdb_rating = movie
      .ratings
      .imdb
      .clone()
      .unwrap_or_default()
      .value
      .as_f64()
      .unwrap_or_default();
    let rotten_tomatoes_rating = movie
      .ratings
      .rotten_tomatoes
      .clone()
      .unwrap_or_default()
      .value
      .as_u64()
      .unwrap_or_default();
    let imdb_rating = if imdb_rating == 0.0 {
      String::new()
    } else {
      format!("{imdb_rating:.1}")
    };
    let rotten_tomatoes_rating = if rotten_tomatoes_rating == 0 {
      String::new()
    } else {
      format!("{rotten_tomatoes_rating}%")
    };

    Row::new(vec![
      Cell::from(in_library),
      Cell::from(movie.title.to_string()),
      Cell::from(movie.year.to_string()),
      Cell::from(format!("{hours}h {minutes}m")),
      Cell::from(imdb_rating),
      Cell::from(rotten_tomatoes_rating),
      Cell::from(movie.genres.join(", ")),
    ])
    .primary()
  };
  let monitored = if collection_selection.monitored {
    "Yes"
  } else {
    "No"
  };
  let search_on_add = if collection_selection.search_on_add {
    "Yes"
  } else {
    "No"
  };
  let minimum_availability = collection_selection.minimum_availability.to_display_str();

  let collection_description = Text::from(vec![
    Line::from(vec![
      "Overview: ".primary().bold(),
      collection_selection
        .overview
        .clone()
        .unwrap_or_default()
        .default_color(),
    ]),
    Line::from(vec![
      "Root Folder Path: ".primary().bold(),
      collection_selection
        .root_folder_path
        .clone()
        .unwrap_or_default()
        .default_color(),
    ]),
    Line::from(vec![
      "Quality Profile: ".primary().bold(),
      quality_profile.default_color(),
    ]),
    Line::from(vec![
      "Minimum Availability: ".primary().bold(),
      minimum_availability.default_color(),
    ]),
    Line::from(vec![
      "Monitored: ".primary().bold(),
      monitored.default_color(),
    ]),
    Line::from(vec![
      "Search on Add: ".primary().bold(),
      search_on_add.default_color(),
    ]),
  ]);

  let description_paragraph = Paragraph::new(collection_description)
    .block(borderless_block())
    .wrap(Wrap { trim: false });
  let movies_table = ManagarrTable::new(
    Some(&mut app.data.radarr_data.collection_movies),
    movie_row_mapper,
  )
  .block(layout_block_top_border_with_title(title_style("Movies")))
  .loading(app.is_loading)
  .headers([
    "✔",
    "Title",
    "Year",
    "Runtime",
    "IMDB Rating",
    "Rotten Tomatoes Rating",
    "Genres",
  ])
  .constraints([
    Constraint::Percentage(2),
    Constraint::Percentage(20),
    Constraint::Percentage(8),
    Constraint::Percentage(10),
    Constraint::Percentage(10),
    Constraint::Percentage(18),
    Constraint::Percentage(28),
  ]);

  f.render_widget(title_block(&collection_selection.title.text), area);
  f.render_widget(description_paragraph, description_area);
  f.render_widget(movies_table, table_area);
}

fn draw_movie_overview(f: &mut Frame<'_>, app: &mut App<'_>, area: Rect) {
  let title_block = title_block("Overview");
  f.render_widget(title_block, area);

  let [paragraph_area] = Layout::vertical([Constraint::Percentage(95)])
    .flex(Flex::SpaceBetween)
    .margin(1)
    .areas(area);
  let overview = Text::from(
    app
      .data
      .radarr_data
      .collection_movies
      .current_selection()
      .clone()
      .overview,
  )
  .default_color();

  let paragraph = Paragraph::new(overview)
    .block(borderless_block())
    .wrap(Wrap { trim: false });

  f.render_widget(paragraph, paragraph_area);
}
