'use strict'

{utils, log} = Neft

INITIALIZATION_DELAY = 100
REQUEST_DELAY = 50
UID = utils.uid()
exports.CONTROL_COLOR = [240, 20, 130]

updateViewConfig = ->
    {environment} = global
    unless environment
        return
    if not view = environment.view
        return
    utils.merge app.windowItem, view
    str = do ->
        str = ''
        for key, val of view
            str += "#{key}=#{val} "
        str.trim()
    log "View properties updated to #{str}"

getControlRect = do ->
    rect = null
    ->
        if rect?
            return rect
        updateViewConfig()
        rect = Neft.Renderer.Rectangle.New()
        rect.width = app.windowItem.width
        rect.height = app.windowItem.height
        rect.layout.enabled = false
        rect.color = "rgb(#{exports.CONTROL_COLOR})"
        rect.z = 9999
        log.info """
            Create screenshot initialize rect \
            width=#{rect.width} \
            height=#{rect.height} \
            color=#{rect.color}
        """
        rect

exports.initialize = (callback) ->
    setTimeout ->
        getControlRect().parent = app.windowItem
        url = "#{app.config.testingServerUrl}/initializeScreenshots"
        setTimeout ->
            opts =
                clientUid: UID
                env: environment
            app.networking.post url, opts, (err) ->
                getControlRect().parent = null
                if err
                    callback new Error """
                        Cannot initialize screenshots;
                        Make sure application is visible on the screen and \
                        can be captured by screenshot
                    """
                else
                    callback()
        , REQUEST_DELAY
    , INITIALIZATION_DELAY
    return

exports.take = (opts, callback) ->
    opts.clientUid = UID
    opts.env = environment
    url = "#{app.config.testingServerUrl}/takeScreenshot"
    setTimeout ->
        app.networking.post url, opts, callback
    , REQUEST_DELAY
    return