/** @module */

const CLOSE_COMMANDS = ['close', 'lock', 'thread']

function isClosePost (post) {

return post.command != null && CLOSE_COMMANDS.indexOf(post.command) !== -1

}

/**

* Allows moderators to close comment threads. Looks for the first comment by a

* moderator to issue the "/thread" command, and automatically deletes all

* non-moderator posts after it.

*/

export function attach (emitter, record) {

emitter.on('new', (post, state) => {

if (!post.isMod) {

state.get().then(s => {

if (s.closed) {

emitter.client.del(post.id).then(() => {

record('close-delete', { post })

})

}

})

} else if (isClosePost(post)) {

record('close', { post })

state.update({ closed: true })

}

})

}