local assetHelper = asset.require('util/asset_helper')
local sceneHelper = asset.require('util/scene_helper')
local propertyHelper = asset.require('util/property_helper')
local renderableHelper = asset.require('util/renderable_helper')

-- Specifying which other assets should be loaded in this scene
asset.require('spice/base')
assetHelper.requestAll(asset, 'scene/solarsystem/sun')
asset.require('scene/solarsystem/planets')
asset.request('scene/digitaluniverse/stars')
asset.request('scene/digitaluniverse/milkyway')
asset.require('scene/solarsystem/missions/rosetta/67p')
asset.require('scene/solarsystem/missions/rosetta/rosetta')

-- Load default key bindings applicable to most scenes
asset.require('util/default_keybindings')

-- Custom Keybindings
local Keybindings = {
    {
        Key = "a",
        Command = "openspace.setPropertyValue('NavigationHandler.Origin', '67P')",
        Documentation = "Sets the focus of the camera on '67P'.",
        Local = false
    },
    {
        Key = "s",
        Command = "openspace.setPropertyValue('NavigationHandler.Origin', 'Rosetta')",
        Documentation = "Sets the focus of the camera on 'Rosetta'",
        Local = false
    },
    {
        Key = "F5",
        Command = "openspace.time.setTime('2014-08-01T03:05:18.101')",
        Documentation = "Jumps to the time of initial approach of Rosetta to 67P.",
        Local = false
    },
    {
        Key = "F6",
        Command = "openspace.time.setTime('2014-11-12T08:20:00.00')",
        Documentation = "Jumps to the time when the Philae lander is released.",
        Local = false
    },
    {
        Key = "F8",
        Command = "openspace.setPropertyValue('Scene.67P.renderable.ProjectionComponent.clearAllProjections', true)",
        Documentation = "Removes all image projections from 67P.",
        Local = false
    },
    {
        Key = "q",
        Command = propertyHelper.invert('Scene.SunMarker.renderable.Enabled'),
        Documentation = "Toggles the visibility of the text marking the location of the Sun.",
        Local = false
    },
    {
        Key = "e",
        Command = renderableHelper.toggle('Scene.JupiterTrail') .. renderableHelper.toggle('Scene.SaturnTrail') ..
                  renderableHelper.toggle('Scene.UranusTrail') .. renderableHelper.toggle('Scene.NeptuneTrail'),
        Documentation = "Toggles the visibility of all trails further from the Sun than 67P.",
        Local = false
    },
    {
        Key = "i",
        Command = renderableHelper.toggle('Scene.ImagePlaneRosetta'),
        Documentation = "Toggles the visibility of the free floating image plane.",
        Local = false
    },
    {
        Key = "f",
        Command = renderableHelper.toggle('Scene.PhilaeTrail'),
        Documentation = "Toggles the visibility of Philae's trail.",
        Local = false
    },
    {
        Key = "p",
        Command = propertyHelper.invert('Scene.67P.renderable.ProjectionComponent.performProjection'),
        Documentation = "Enables or disables the image projection on 67P.",
        Local = false
    }
}

local Comet67PAsset = asset.require('scene/solarsystem/missions/rosetta/67p')

asset.onInitialize(function ()
    openspace.time.setTime("2014-08-01T03:05:00.000")
    sceneHelper.bindKeys(Keybindings)

    openspace.setDefaultDashboard()
    openspace.dashboard.addDashboardItem({
        Type = "DashboardItemSpacing",
        Spacing = 25
    })

    openspace.dashboard.addDashboardItem({
        Type = "DashboardItemDistance",
        SourceType = "Node",
        SourceNodeName = "Rosetta",
        DestinationType = "Node",
        DestinationNodeName = "67P"
    })

    openspace.dashboard.addDashboardItem({
        Type = "DashboardItemInstruments"
    })

    openspace.setDefaultGuiSorting()

    sceneHelper.setDeltaTimeKeys({
        1, 5, 10, 20, 40, 90, 360, 720, 2880, 14400,
        28800, 57600, 115200, 230400, 460800, 921600, 1843200, 3686400, 7372800, 14745600
    })

    openspace.markInterestingNodes({
        "67P", "Rosetta", "Philae"
    })

    openspace.addVirtualProperty(
        "BoolProperty",
        "Show Trails",
        "*Trail.renderable.Enabled",
        "Disable or enable all trails of the scene at the same time",
        true,
        nil,
        nil
    )

    openspace.navigation.setCameraState({
        Focus = Comet67PAsset.Comet67P.Identifier,
        Position = { 526781518487.171326, 257168309890.072144, -1381125204152.817383 },
        Rotation = { -0.106166, 0.981574, -0.084545, 0.134513 },
    })

    openspace.setPropertyValue('Scene.67P.renderable.PerformShading', false);
end)

asset.onDeinitialize(function ()
    sceneHelper.unbindKeys(Keybindings)

    openspace.removeVirtualProperty("*Trail.renderable.Enabled")
    openspace.removeInterestingNodes({
        "67PBarycenter", "Rosetta", "Philae"
    })
end)