import { Command } from 'commander'

import { handleError } from '@/shared/utils/error-handler'
import { formatOutput } from '@/shared/utils/output'

import { DiscordClient } from '../client'
import { DiscordCredentialManager } from '../credential-manager'

export async function addAction(
  channelId: string,
  messageId: string,
  emoji: string,
  options: { pretty?: boolean },
): Promise<void> {
  try {
    const credManager = new DiscordCredentialManager()
    const config = await credManager.load()

    if (!config.token) {
      console.log(formatOutput({ error: 'Not authenticated. Run "auth extract" first.' }, options.pretty))
      process.exit(1)
    }

    const client = await new DiscordClient().login({ token: config.token })
    await client.addReaction(channelId, messageId, emoji)

    console.log(
      formatOutput(
        {
          success: true,
          channel_id: channelId,
          message_id: messageId,
          emoji,
        },
        options.pretty,
      ),
    )
  } catch (error) {
    handleError(error as Error)
  }
}

export async function removeAction(
  channelId: string,
  messageId: string,
  emoji: string,
  options: { pretty?: boolean },
): Promise<void> {
  try {
    const credManager = new DiscordCredentialManager()
    const config = await credManager.load()

    if (!config.token) {
      console.log(formatOutput({ error: 'Not authenticated. Run "auth extract" first.' }, options.pretty))
      process.exit(1)
    }

    const client = await new DiscordClient().login({ token: config.token })
    await client.removeReaction(channelId, messageId, emoji)

    console.log(
      formatOutput(
        {
          success: true,
          channel_id: channelId,
          message_id: messageId,
          emoji,
        },
        options.pretty,
      ),
    )
  } catch (error) {
    handleError(error as Error)
  }
}

export async function listAction(channelId: string, messageId: string, options: { pretty?: boolean }): Promise<void> {
  try {
    const credManager = new DiscordCredentialManager()
    const config = await credManager.load()

    if (!config.token) {
      console.log(formatOutput({ error: 'Not authenticated. Run "auth extract" first.' }, options.pretty))
      process.exit(1)
    }

    const client = await new DiscordClient().login({ token: config.token })
    const message = await client.getMessage(channelId, messageId)

    if (!message) {
      console.log(
        formatOutput(
          {
            error: 'Message not found',
            channel_id: channelId,
            message_id: messageId,
          },
          options.pretty,
        ),
      )
      process.exit(1)
    }

    const reactions = message.reactions ?? []

    console.log(
      formatOutput(
        {
          channel_id: channelId,
          message_id: messageId,
          reactions,
        },
        options.pretty,
      ),
    )
  } catch (error) {
    handleError(error as Error)
  }
}

export const reactionCommand = new Command('reaction')
  .description('Reaction commands')
  .addCommand(
    new Command('add')
      .description('Add emoji reaction to message')
      .argument('<channel-id>', 'Channel ID')
      .argument('<message-id>', 'Message ID')
      .argument('<emoji>', 'Emoji name (without colons)')
      .option('--pretty', 'Pretty print JSON output')
      .action(addAction),
  )
  .addCommand(
    new Command('remove')
      .description('Remove emoji reaction from message')
      .argument('<channel-id>', 'Channel ID')
      .argument('<message-id>', 'Message ID')
      .argument('<emoji>', 'Emoji name (without colons)')
      .option('--pretty', 'Pretty print JSON output')
      .action(removeAction),
  )
  .addCommand(
    new Command('list')
      .description('List reactions on a message')
      .argument('<channel-id>', 'Channel ID')
      .argument('<message-id>', 'Message ID')
      .option('--pretty', 'Pretty print JSON output')
      .action(listAction),
  )