use crate::app::App;
use crate::event::Key;
use crate::handlers::{KeyEventHandler, handle_prompt_toggle};
use crate::models::Scrollable;
use crate::models::radarr_models::EditCollectionParams;
use crate::models::servarr_data::radarr::modals::EditCollectionModal;
use crate::models::servarr_data::radarr::radarr_data::{ActiveRadarrBlock, EDIT_COLLECTION_BLOCKS};
use crate::network::radarr_network::RadarrEvent;
use crate::{handle_text_box_keys, handle_text_box_left_right_keys, matches_key};

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

pub(super) struct EditCollectionHandler<'a, 'b> {
  key: Key,
  app: &'a mut App<'b>,
  active_radarr_block: ActiveRadarrBlock,
  context: Option<ActiveRadarrBlock>,
}

impl EditCollectionHandler<'_, '_> {
  fn build_edit_collection_params(&mut self) -> EditCollectionParams {
    let edit_collection_modal = self
      .app
      .data
      .radarr_data
      .edit_collection_modal
      .take()
      .expect("EditCollectionModal is None");
    let collection_id = self.app.data.radarr_data.collections.current_selection().id;
    let EditCollectionModal {
      path,
      search_on_add,
      minimum_availability_list,
      monitored,
      quality_profile_list,
    } = edit_collection_modal;
    let quality_profile = quality_profile_list.current_selection();
    let quality_profile_id = *self
      .app
      .data
      .radarr_data
      .quality_profile_map
      .iter()
      .filter(|(_, value)| *value == quality_profile)
      .map(|(key, _)| key)
      .next()
      .unwrap();

    let root_folder_path = path.text;
    let search_on_add = search_on_add.unwrap_or_default();
    let minimum_availability = *minimum_availability_list.current_selection();

    EditCollectionParams {
      collection_id,
      monitored,
      minimum_availability: Some(minimum_availability),
      quality_profile_id: Some(quality_profile_id),
      root_folder_path: Some(root_folder_path),
      search_on_add: Some(search_on_add),
    }
  }
}

impl<'a, 'b> KeyEventHandler<'a, 'b, ActiveRadarrBlock> for EditCollectionHandler<'a, 'b> {
  fn accepts(active_block: ActiveRadarrBlock) -> bool {
    EDIT_COLLECTION_BLOCKS.contains(&active_block)
  }

  fn ignore_special_keys(&self) -> bool {
    self.app.ignore_special_keys_for_textbox_input
  }

  fn new(
    key: Key,
    app: &'a mut App<'b>,
    active_block: ActiveRadarrBlock,
    context: Option<ActiveRadarrBlock>,
  ) -> EditCollectionHandler<'a, 'b> {
    EditCollectionHandler {
      key,
      app,
      active_radarr_block: active_block,
      context,
    }
  }

  fn get_key(&self) -> Key {
    self.key
  }

  fn is_ready(&self) -> bool {
    !self.app.is_loading && self.app.data.radarr_data.edit_collection_modal.is_some()
  }

  fn handle_scroll_up(&mut self) {
    match self.active_radarr_block {
      ActiveRadarrBlock::EditCollectionSelectMinimumAvailability => self
        .app
        .data
        .radarr_data
        .edit_collection_modal
        .as_mut()
        .unwrap()
        .minimum_availability_list
        .scroll_up(),
      ActiveRadarrBlock::EditCollectionSelectQualityProfile => self
        .app
        .data
        .radarr_data
        .edit_collection_modal
        .as_mut()
        .unwrap()
        .quality_profile_list
        .scroll_up(),
      ActiveRadarrBlock::EditCollectionPrompt => self.app.data.radarr_data.selected_block.up(),
      _ => (),
    }
  }

  fn handle_scroll_down(&mut self) {
    match self.active_radarr_block {
      ActiveRadarrBlock::EditCollectionSelectMinimumAvailability => self
        .app
        .data
        .radarr_data
        .edit_collection_modal
        .as_mut()
        .unwrap()
        .minimum_availability_list
        .scroll_down(),
      ActiveRadarrBlock::EditCollectionSelectQualityProfile => self
        .app
        .data
        .radarr_data
        .edit_collection_modal
        .as_mut()
        .unwrap()
        .quality_profile_list
        .scroll_down(),
      ActiveRadarrBlock::EditCollectionPrompt => self.app.data.radarr_data.selected_block.down(),
      _ => (),
    }
  }

  fn handle_home(&mut self) {
    match self.active_radarr_block {
      ActiveRadarrBlock::EditCollectionSelectMinimumAvailability => self
        .app
        .data
        .radarr_data
        .edit_collection_modal
        .as_mut()
        .unwrap()
        .minimum_availability_list
        .scroll_to_top(),
      ActiveRadarrBlock::EditCollectionSelectQualityProfile => self
        .app
        .data
        .radarr_data
        .edit_collection_modal
        .as_mut()
        .unwrap()
        .quality_profile_list
        .scroll_to_top(),
      ActiveRadarrBlock::EditCollectionRootFolderPathInput => self
        .app
        .data
        .radarr_data
        .edit_collection_modal
        .as_mut()
        .unwrap()
        .path
        .scroll_home(),
      _ => (),
    }
  }

  fn handle_end(&mut self) {
    match self.active_radarr_block {
      ActiveRadarrBlock::EditCollectionSelectMinimumAvailability => self
        .app
        .data
        .radarr_data
        .edit_collection_modal
        .as_mut()
        .unwrap()
        .minimum_availability_list
        .scroll_to_bottom(),
      ActiveRadarrBlock::EditCollectionSelectQualityProfile => self
        .app
        .data
        .radarr_data
        .edit_collection_modal
        .as_mut()
        .unwrap()
        .quality_profile_list
        .scroll_to_bottom(),
      ActiveRadarrBlock::EditCollectionRootFolderPathInput => self
        .app
        .data
        .radarr_data
        .edit_collection_modal
        .as_mut()
        .unwrap()
        .path
        .reset_offset(),
      _ => (),
    }
  }

  fn handle_delete(&mut self) {}

  fn handle_left_right_action(&mut self) {
    match self.active_radarr_block {
      ActiveRadarrBlock::EditCollectionPrompt => handle_prompt_toggle(self.app, self.key),
      ActiveRadarrBlock::EditCollectionRootFolderPathInput => {
        handle_text_box_left_right_keys!(
          self,
          self.key,
          self
            .app
            .data
            .radarr_data
            .edit_collection_modal
            .as_mut()
            .unwrap()
            .path
        )
      }
      _ => (),
    }
  }

  fn handle_submit(&mut self) {
    match self.active_radarr_block {
      ActiveRadarrBlock::EditCollectionPrompt => {
        match self.app.data.radarr_data.selected_block.get_active_block() {
          ActiveRadarrBlock::EditCollectionConfirmPrompt => {
            if self.app.data.radarr_data.prompt_confirm {
              self.app.data.radarr_data.prompt_confirm_action = Some(RadarrEvent::EditCollection(
                self.build_edit_collection_params(),
              ));
              self.app.should_refresh = true;
            }

            self.app.pop_navigation_stack();
          }
          ActiveRadarrBlock::EditCollectionSelectMinimumAvailability
          | ActiveRadarrBlock::EditCollectionSelectQualityProfile => {
            self.app.push_navigation_stack(
              (
                self.app.data.radarr_data.selected_block.get_active_block(),
                self.context,
              )
                .into(),
            )
          }
          ActiveRadarrBlock::EditCollectionRootFolderPathInput => {
            self.app.push_navigation_stack(
              (
                self.app.data.radarr_data.selected_block.get_active_block(),
                self.context,
              )
                .into(),
            );
            self.app.ignore_special_keys_for_textbox_input = true;
          }
          ActiveRadarrBlock::EditCollectionToggleMonitored => {
            self
              .app
              .data
              .radarr_data
              .edit_collection_modal
              .as_mut()
              .unwrap()
              .monitored = Some(
              !self
                .app
                .data
                .radarr_data
                .edit_collection_modal
                .as_mut()
                .unwrap()
                .monitored
                .unwrap_or_default(),
            )
          }
          ActiveRadarrBlock::EditCollectionToggleSearchOnAdd => {
            self
              .app
              .data
              .radarr_data
              .edit_collection_modal
              .as_mut()
              .unwrap()
              .search_on_add = Some(
              !self
                .app
                .data
                .radarr_data
                .edit_collection_modal
                .as_mut()
                .unwrap()
                .search_on_add
                .unwrap_or_default(),
            )
          }
          _ => (),
        }
      }
      ActiveRadarrBlock::EditCollectionSelectMinimumAvailability
      | ActiveRadarrBlock::EditCollectionSelectQualityProfile => self.app.pop_navigation_stack(),
      ActiveRadarrBlock::EditCollectionRootFolderPathInput => {
        self.app.pop_navigation_stack();
        self.app.ignore_special_keys_for_textbox_input = false;
      }
      _ => (),
    }
  }

  fn handle_esc(&mut self) {
    match self.active_radarr_block {
      ActiveRadarrBlock::EditCollectionRootFolderPathInput => {
        self.app.pop_navigation_stack();
        self.app.ignore_special_keys_for_textbox_input = false;
      }
      ActiveRadarrBlock::EditCollectionPrompt => {
        self.app.pop_navigation_stack();
        self.app.data.radarr_data.edit_collection_modal = None;
        self.app.data.radarr_data.prompt_confirm = false;
      }
      ActiveRadarrBlock::EditCollectionSelectMinimumAvailability
      | ActiveRadarrBlock::EditCollectionSelectQualityProfile => self.app.pop_navigation_stack(),
      _ => (),
    }
  }

  fn handle_char_key_event(&mut self) {
    let key = self.key;
    match self.active_radarr_block {
      ActiveRadarrBlock::EditCollectionRootFolderPathInput => {
        handle_text_box_keys!(
          self,
          key,
          self
            .app
            .data
            .radarr_data
            .edit_collection_modal
            .as_mut()
            .unwrap()
            .path
        )
      }
      ActiveRadarrBlock::EditCollectionPrompt => {
        if self.app.data.radarr_data.selected_block.get_active_block()
          == ActiveRadarrBlock::EditCollectionConfirmPrompt
          && matches_key!(confirm, key)
        {
          self.app.data.radarr_data.prompt_confirm = true;
          self.app.data.radarr_data.prompt_confirm_action = Some(RadarrEvent::EditCollection(
            self.build_edit_collection_params(),
          ));
          self.app.should_refresh = true;

          self.app.pop_navigation_stack();
        }
      }
      _ => (),
    }
  }
}