local autoload = require("lapis.util").autoload
local Model = require("lapis.db.model").Model

-- ----------- --
-- Track stuff --
-- ----------- --

-- name/date
local Labels = Model:extend("labels", {
    primary_key = "uuid",
    relations = {
        {"releases", has_many = "Releases"},
        {"artists", has_many = "Artists"}
    }
})

-- name/date/id
local Releases = Model:extend("releases", {
    primary_key = "uuid",
    relations = {
        {"artists", has_many = "Artists"},
        {"tracks", has_many = "Tracks"},
        {"label", has_one = "Labels"}
    }
})

-- name/date
local Mixes = Model:extend("mixes", {
    primary_key = "uuid",
    relations = {
        {"artists", has_many = "Artists"}
    }
})

-- name/date/bio/urls
local Artists = Model:extend("artists", {
    primary_key = "uuid"
})

-- title/unique name == `lower(artist+title)`
local Tracks = Model:extend("tracks", {
    primary_key = "uuid",
    relations = {
        {"artist", belongs_to = "Artists"},
        {"releases", has_many = "Releases"},
        {"mixes", has_many = "Mixes"},
        -- {"copies", has_many = "Tracks"},
        -- {"original", has_one = "Tracks"}
    }
})

-- name/id
local Stations = Model:extend("stations", {
    primary_key = "uuid"
})

-- date
local Airtime = Model:extend("airtime", {
    relations = {
        {"track", belongs_to = "Tracks"},
        {"station", has_one = "Stations"}
    }
})

-- ---------- --
-- User stuff --
-- ---------- --

-- name/email/password/last_login
local Users = Model:extend("users", {
    primary_key = "uuid"
})

-- date?
local Favorite_tracks = Model:extend("favorite_tracks", {
    relations = {
        {"user", belongs_to = "Users"},
        {"track", has_one = "Tracks"}
    }
})

-- date?
local Favorite_mixes = Model:extend("favorite_mixes", {})
local Favorite_artists = Model:extend("favorite_artists", {})
local Favorite_releases = Model:extend("favorite_releases", {})
local Favorite_labels = Model:extend("favorite_labels", {})

return autoload("models")