-- ~/.config/cliamp/plugins/now-playing.lua
local p = plugin.register({
    name = "now-playing",
    type = "hook",
})

p:on("track.change", function(track)
    cliamp.fs.write("/tmp/cliamp-now-playing",
        track.artist .. " - " .. track.title)
end)

p:on("app.quit", function()
    cliamp.fs.remove("/tmp/cliamp-now-playing")
end)

-- ~/.config/cliamp/plugins/webhook.lua
local p = plugin.register({
    name = "webhook",
    type = "hook",
})

local url = p:config("url")

p:on("track.change", function(track)
    if not url then return end
    cliamp.http.post(url, {
        json = { title = track.title, artist = track.artist }
    })
end)

-- ~/.config/cliamp/plugins/simple-bars.lua
local p = plugin.register({
    name = "simple-bars",
    type = "visualizer",
})

-- Called ~20 FPS. bands: 10 values (0.0-1.0)
function p:render(bands, frame)
    local lines = {}
    for row = 5, 1, -1 do
        local line = ""
        for i = 1, 10 do
            if bands[i] > (row - 1) / 5 then
                line = line .. "██████ "
            else
                line = line .. "       "
            end
        end
        table.insert(lines, line)
    end
    return table.concat(lines, "\n")
end