{-# LANGUAGE DataKinds #-}
{-# LANGUAGE OverloadedStrings #-}
{-# LANGUAGE UnicodeSyntax #-}
-- | Lastfm artist API
--
-- This module is intended to be imported qualified:
--
-- @
-- import qualified Network.Lastfm.Artist as Artist
-- @
module Network.Lastfm.Artist
  ( ArtistOrMBID
  , addTags, getCorrection, getEvents, getInfo
  , getPastEvents, getPodcast, getShouts
  , getSimilar, getTags, getTopAlbums
  , getTopFans, getTopTags, getTopTracks
  , removeTag, search, share, shout
  ) where

import Control.Applicative

import Network.Lastfm.Request

-- | Unify ('Artist' → …) and ('MBID' → …)
class ArtistOrMBID a

instance ArtistOrMBID MBID
instance ArtistOrMBID Artist


-- | Tag an artist with one or more user supplied tags.
--
-- <http://www.last.fm/api/show/artist.addTags>
addTags ∷ Request f Sign (Artist → [Tag] → APIKey → SessionKey → Ready)
addTags = api "artist.addTags" <* post
{-# INLINE addTags #-}


-- | Use the last.fm corrections data to check whether the
-- supplied artist has a correction to a canonical artist
--
-- <http://www.last.fm/api/show/artist.getCorrection>
getCorrection ∷ Request f Send (Artist → APIKey → Ready)
getCorrection = api "artist.getCorrection"
{-# INLINE getCorrection #-}


-- | Get a list of upcoming events for this artist. Easily
-- integratable into calendars, using the ical standard (see feeds section below).
--
-- Optional: 'autocorrect', 'limit', 'pages', 'festivalsonly'
--
-- <http://www.last.fm/api/show/artist.getEvents>
getEvents ∷ ArtistOrMBID t ⇒ Request f Send (t → APIKey → Ready)
getEvents = api "artist.getEvents"
{-# INLINE getEvents #-}


-- | Get the metadata for an artist. Includes biography.
--
-- Optional: 'language', 'autocorrect', 'username'
--
-- <http://www.last.fm/api/show/artist.getInfo>
getInfo ∷ ArtistOrMBID t ⇒ Request f Send (t → APIKey → Ready)
getInfo = api "artist.getInfo"
{-# INLINE getInfo #-}


-- | Get a paginated list of all the events this artist has played at in the past.
--
-- Optional: 'page', 'autocorrect', 'limit'
--
-- <http://www.last.fm/api/show/artist.getPastEvents>
getPastEvents ∷ ArtistOrMBID t ⇒ Request f Send (t → APIKey → Ready)
getPastEvents = api "artist.getPastEvents"
{-# INLINE getPastEvents #-}


-- | Get a podcast of free mp3s based on an artist
--
-- Optional: 'autocorrect'
--
-- <http://www.last.fm/api/show/artist.getPodcast>
getPodcast ∷ ArtistOrMBID t ⇒ Request f Send (t → APIKey → Ready)
getPodcast = api "artist.getPodcast"
{-# INLINE getPodcast #-}


-- | Get shouts for this artist. Also available as an rss feed.
--
-- Optional:'autocorrect', 'limit', 'page'
--
-- <http://www.last.fm/api/show/artist.getShouts>
getShouts ∷ ArtistOrMBID t ⇒ Request f Send (t → APIKey → Ready)
getShouts = api "artist.getShouts"
{-# INLINE getShouts #-}


-- | Get all the artists similar to this artist
--
-- Optional: 'limit', 'autocorrect'
--
-- <http://www.last.fm/api/show/artist.getSimilar>
getSimilar ∷ ArtistOrMBID t ⇒ Request f Send (t → APIKey → Ready)
getSimilar = api "artist.getSimilar"
{-# INLINE getSimilar #-}


-- | Get the tags applied by an individual user to an artist on Last.fm.
-- If accessed as an authenticated service /and/ you don't supply a
-- user parameter then this service will return tags for
-- the authenticated user. To retrieve the list of top tags applied
-- to an artist by all users use 'Network.Lastfm.Artist.getTopTags'.
--
-- Optional: 'user', 'autocorrect'
--
-- <http://www.last.fm/api/show/artist.getTags>
getTags ∷ ArtistOrMBID t ⇒ Request f a (t → APIKey → Ready)
getTags = api "artist.getTags"
{-# INLINE getTags #-}


-- | Get the top albums for an artist on Last.fm, ordered by popularity.
--
-- Optional: 'autocorrect', 'page', 'limit'
--
-- <http://www.last.fm/api/show/artist.getTopAlbums>
getTopAlbums ∷ ArtistOrMBID t ⇒ Request f Send (t → APIKey → Ready)
getTopAlbums = api "artist.getTopAlbums"
{-# INLINE getTopAlbums #-}


-- | Get the top fans for an artist on Last.fm, based on listening data.
--
-- Optional: 'autocorrect'
--
-- <http://www.last.fm/api/show/artist.getTopFans>
getTopFans ∷ ArtistOrMBID t ⇒ Request f Send (t → APIKey → Ready)
getTopFans = api "artist.getTopFans"
{-# INLINE getTopFans #-}


-- | Get the top tags for an artist on Last.fm, ordered by popularity.
--
-- Optional: 'autocorrect'
--
-- <http://www.last.fm/api/show/artist.getTopTags>
getTopTags ∷ ArtistOrMBID t ⇒ Request f Send (t → APIKey → Ready)
getTopTags = api "artist.getTopTags"
{-# INLINE getTopTags #-}


-- | Get the top tracks by an artist on Last.fm, ordered by popularity
--
-- Optional: 'autocorrect', 'page', 'limit'
--
-- <http://www.last.fm/api/show/artist.getTopTracks>
getTopTracks ∷ ArtistOrMBID t ⇒ Request f Send (t → APIKey → Ready)
getTopTracks = api "artist.getTopTracks"
{-# INLINE getTopTracks #-}


-- | Remove a user's tag from an artist.
--
-- <http://www.last.fm/api/show/artist.removeTag>
removeTag ∷ Request f Sign (Artist → Tag → APIKey → SessionKey → Ready)
removeTag = api "artist.removeTag" <* post
{-# INLINE removeTag #-}


-- | Search for an artist by name. Returns artist matches sorted by relevance.
--
-- Optional: 'limit', 'page'
--
-- <http://www.last.fm/api/show/artist.search>
search ∷ Request f Send (Artist → APIKey → Ready)
search = api "artist.search"
{-# INLINE search #-}


-- | Share an artist with Last.fm users or other friends.
--
-- Optional: 'message', 'public'
--
-- <http://www.last.fm/api/show/artist.share>
share ∷ Request f Sign (Artist → Recipient → APIKey → SessionKey → Ready)
share = api "artist.share" <* post
{-# INLINE share #-}


-- | Shout in this artist's shoutbox
--
-- <http://www.last.fm/api/show/artist.shout>
shout ∷ Request f Sign (Artist → Message → APIKey → SessionKey → Ready)
shout = api "artist.shout" <* post
{-# INLINE shout #-}