use std::sync::Arc;

use add_command_handler::{SonarrAddCommand, SonarrAddCommandHandler};
use anyhow::Result;
use clap::Subcommand;
use delete_command_handler::{SonarrDeleteCommand, SonarrDeleteCommandHandler};
use download_command_handler::{SonarrDownloadCommand, SonarrDownloadCommandHandler};
use edit_command_handler::{SonarrEditCommand, SonarrEditCommandHandler};
use get_command_handler::{SonarrGetCommand, SonarrGetCommandHandler};
use list_command_handler::{SonarrListCommand, SonarrListCommandHandler};
use manual_search_command_handler::{SonarrManualSearchCommand, SonarrManualSearchCommandHandler};
use refresh_command_handler::{SonarrRefreshCommand, SonarrRefreshCommandHandler};
use tokio::sync::Mutex;
use trigger_automatic_search_command_handler::{
  SonarrTriggerAutomaticSearchCommand, SonarrTriggerAutomaticSearchCommandHandler,
};

use crate::{
  app::App,
  models::sonarr_models::SonarrTaskName,
  network::{sonarr_network::SonarrEvent, NetworkTrait},
};

use super::{CliCommandHandler, Command};

mod add_command_handler;
mod delete_command_handler;
mod download_command_handler;
mod edit_command_handler;
mod get_command_handler;
mod list_command_handler;
mod manual_search_command_handler;
mod refresh_command_handler;
mod trigger_automatic_search_command_handler;

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

#[derive(Debug, Clone, PartialEq, Eq, Subcommand)]
pub enum SonarrCommand {
  #[command(
    subcommand,
    about = "Commands to add or create new resources within your Sonarr instance"
  )]
  Add(SonarrAddCommand),
  #[command(
    subcommand,
    about = "Commands to delete resources from your Sonarr instance"
  )]
  Delete(SonarrDeleteCommand),
  #[command(
    subcommand,
    about = "Commands to edit resources in your Sonarr instance"
  )]
  Edit(SonarrEditCommand),
  #[command(
    subcommand,
    about = "Commands to fetch details of the resources in your Sonarr instance"
  )]
  Get(SonarrGetCommand),
  #[command(
    subcommand,
    about = "Commands to download releases in your Sonarr instance"
  )]
  Download(SonarrDownloadCommand),
  #[command(
    subcommand,
    about = "Commands to list attributes from your Sonarr instance"
  )]
  List(SonarrListCommand),
  #[command(
    subcommand,
    about = "Commands to refresh the data in your Sonarr instance"
  )]
  Refresh(SonarrRefreshCommand),
  #[command(subcommand, about = "Commands to manually search for releases")]
  ManualSearch(SonarrManualSearchCommand),
  #[command(
    subcommand,
    about = "Commands to trigger automatic searches for releases of different resources in your Sonarr instance"
  )]
  TriggerAutomaticSearch(SonarrTriggerAutomaticSearchCommand),
  #[command(about = "Clear the blocklist")]
  ClearBlocklist,
  #[command(about = "Mark the Sonarr history item with the given ID as 'failed'")]
  MarkHistoryItemAsFailed {
    #[arg(
      long,
      help = "The Sonarr ID of the history item you wish to mark as 'failed'",
      required = true
    )]
    history_item_id: i64,
  },
  #[command(about = "Search for a new series to add to Sonarr")]
  SearchNewSeries {
    #[arg(
      long,
      help = "The title of the series you want to search for",
      required = true
    )]
    query: String,
  },
  #[command(about = "Start the specified Sonarr task")]
  StartTask {
    #[arg(
      long,
      help = "The name of the task to trigger",
      value_enum,
      required = true
    )]
    task_name: SonarrTaskName,
  },
  #[command(
    about = "Test the indexer with the given ID. Note that a successful test returns an empty JSON body; i.e. '{}'"
  )]
  TestIndexer {
    #[arg(long, help = "The ID of the indexer to test", required = true)]
    indexer_id: i64,
  },
  #[command(about = "Test all Sonarr indexers")]
  TestAllIndexers,
  #[command(about = "Toggle monitoring for the specified episode")]
  ToggleEpisodeMonitoring {
    #[arg(
      long,
      help = "The Sonarr ID of the episode to toggle monitoring on",
      required = true
    )]
    episode_id: i64,
  },
  #[command(
    about = "Toggle monitoring for the specified season that corresponds to the specified series ID"
  )]
  ToggleSeasonMonitoring {
    #[arg(
      long,
      help = "The Sonarr ID of the series that the season belongs to",
      required = true
    )]
    series_id: i64,
    #[arg(
      long,
      help = "The season number to toggle monitoring for",
      required = true
    )]
    season_number: i64,
  },
}

impl From<SonarrCommand> for Command {
  fn from(sonarr_command: SonarrCommand) -> Command {
    Command::Sonarr(sonarr_command)
  }
}

pub(super) struct SonarrCliHandler<'a, 'b> {
  app: &'a Arc<Mutex<App<'b>>>,
  command: SonarrCommand,
  network: &'a mut dyn NetworkTrait,
}

impl<'a, 'b> CliCommandHandler<'a, 'b, SonarrCommand> for SonarrCliHandler<'a, 'b> {
  fn with(
    app: &'a Arc<Mutex<App<'b>>>,
    command: SonarrCommand,
    network: &'a mut dyn NetworkTrait,
  ) -> Self {
    SonarrCliHandler {
      app,
      command,
      network,
    }
  }

  async fn handle(self) -> Result<String> {
    let result = match self.command {
      SonarrCommand::Add(add_command) => {
        SonarrAddCommandHandler::with(self.app, add_command, self.network)
          .handle()
          .await?
      }
      SonarrCommand::Delete(delete_command) => {
        SonarrDeleteCommandHandler::with(self.app, delete_command, self.network)
          .handle()
          .await?
      }
      SonarrCommand::Edit(edit_command) => {
        SonarrEditCommandHandler::with(self.app, edit_command, self.network)
          .handle()
          .await?
      }
      SonarrCommand::Download(download_command) => {
        SonarrDownloadCommandHandler::with(self.app, download_command, self.network)
          .handle()
          .await?
      }
      SonarrCommand::Get(get_command) => {
        SonarrGetCommandHandler::with(self.app, get_command, self.network)
          .handle()
          .await?
      }
      SonarrCommand::List(list_command) => {
        SonarrListCommandHandler::with(self.app, list_command, self.network)
          .handle()
          .await?
      }
      SonarrCommand::Refresh(refresh_command) => {
        SonarrRefreshCommandHandler::with(self.app, refresh_command, self.network)
          .handle()
          .await?
      }
      SonarrCommand::ManualSearch(manual_search_command) => {
        SonarrManualSearchCommandHandler::with(self.app, manual_search_command, self.network)
          .handle()
          .await?
      }
      SonarrCommand::TriggerAutomaticSearch(trigger_automatic_search_command) => {
        SonarrTriggerAutomaticSearchCommandHandler::with(
          self.app,
          trigger_automatic_search_command,
          self.network,
        )
        .handle()
        .await?
      }
      SonarrCommand::ClearBlocklist => {
        self
          .network
          .handle_network_event(SonarrEvent::GetBlocklist.into())
          .await?;
        let resp = self
          .network
          .handle_network_event(SonarrEvent::ClearBlocklist.into())
          .await?;
        serde_json::to_string_pretty(&resp)?
      }
      SonarrCommand::MarkHistoryItemAsFailed { history_item_id } => {
        let _ = self
          .network
          .handle_network_event(SonarrEvent::MarkHistoryItemAsFailed(history_item_id).into())
          .await?;
        "Sonarr history item marked as 'failed'".to_owned()
      }
      SonarrCommand::SearchNewSeries { query } => {
        let resp = self
          .network
          .handle_network_event(SonarrEvent::SearchNewSeries(query).into())
          .await?;
        serde_json::to_string_pretty(&resp)?
      }
      SonarrCommand::StartTask { task_name } => {
        let resp = self
          .network
          .handle_network_event(SonarrEvent::StartTask(task_name).into())
          .await?;
        serde_json::to_string_pretty(&resp)?
      }
      SonarrCommand::TestIndexer { indexer_id } => {
        let resp = self
          .network
          .handle_network_event(SonarrEvent::TestIndexer(indexer_id).into())
          .await?;
        serde_json::to_string_pretty(&resp)?
      }
      SonarrCommand::TestAllIndexers => {
        println!("Testing all Sonarr indexers. This may take a minute...");
        let resp = self
          .network
          .handle_network_event(SonarrEvent::TestAllIndexers.into())
          .await?;
        serde_json::to_string_pretty(&resp)?
      }
      SonarrCommand::ToggleEpisodeMonitoring { episode_id } => {
        let resp = self
          .network
          .handle_network_event(SonarrEvent::ToggleEpisodeMonitoring(episode_id).into())
          .await?;
        serde_json::to_string_pretty(&resp)?
      }
      SonarrCommand::ToggleSeasonMonitoring {
        series_id,
        season_number,
      } => {
        let resp = self
          .network
          .handle_network_event(
            SonarrEvent::ToggleSeasonMonitoring((series_id, season_number)).into(),
          )
          .await?;
        serde_json::to_string_pretty(&resp)?
      }
    };

    Ok(result)
  }
}