local assetHelper = asset.require('util/asset_helper')
local sceneHelper = asset.require('util/scene_helper')
local propertyHelper = asset.require('util/property_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/osirisrex/osirisrex')

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

-- Custom Keybindings
local Keybindings = {
    {
        Key = "a",
        Command = "openspace.setPropertyValue('NavigationHandler.Origin', 'OsirisRex')",
        Documentation = "Sets the focus of the camera on 'OsirisRex'.",
        Local = false
    },
    {
        Key = "s",
        Command = "openspace.setPropertyValue('NavigationHandler.Origin', 'BennuBarycenter')",
        Documentation = "Sets the focus of the camera on 'Bennu'",
        Local = false
    },
    {
        Key = "F6",
        Command = "openspace.printInfo('Set time: Launch');openspace.time.setTime('2016 SEP 08 23:05:00');",
        Documentation = "Sets the time to the launch.",
        Local = false
    },
    {
        Key = "F7",
        Command = "openspace.printInfo('Set time: Gravity Assist');openspace.time.setTime('2017 SEP 22 15:00:00');",
        Documentation = "Sets the time to the Earth gravity assist.",
        Local = false
    },
    {
        Key = "F8",
        Command = "openspace.printInfo('Set time: Approach');openspace.time.setTime('2018-SEP-11 21:31:01.183');",
        Documentation = "Sets the time to the approach at Bennu.",
        Local = false
    },
    {
        Key = "F9",
        Command = "openspace.printInfo('Set time: Preliminary Survey');openspace.time.setTime('2018-NOV-20 01:13:12.183');",
        Documentation = "Sets the time to the preliminary survey of Bennu.",
        Local = false
    },
    {
        Key = "F10",
        Command = "openspace.printInfo('Set time: Orbital B');openspace.time.setTime('2019-APR-08 10:35:27.186');",
        Documentation = "Sets the time to the orbital B event.",
        Local = false
    },
    {
        Key = "F11",
        Command = "openspace.printInfo('Set time: Recon');openspace.time.setTime('2019-MAY-25 03:50:31.195');",
        Documentation = "Sets the time to the recon event.",
        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 = propertyHelper.invert('Scene.EarthMarker.renderable.Enabled'),
        Documentation = "Toggles the visibility of the text marking the location of the Earth.",
        Local = false
    }
}

local OsirisRexAsset = asset.require('scene/solarsystem/missions/osirisrex/model')

asset.onInitialize(function ()
    -- openspace.time.setTime("2019 APR 16 12:03:00.00")
    openspace.time.setTime("2016 SEP 8 23:00:00.500")
    sceneHelper.bindKeys(Keybindings)

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

    openspace.dashboard.addDashboardItem({
        Type = "DashboardItemDistance",
        SourceType = "Node",
        SourceNodeName = "OsirisRex",
        DestinationType = "Node",
        DestinationNodeName = "BennuBarycenter"
    })

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

    openspace.setDefaultGuiSorting()

    sceneHelper.setDeltaTimeKeys({
        1, 5, 10, 20, 40, 60, 120, 360, 540, 1080,
        2160, 4320, 8640
    })

    openspace.markInterestingNodes({
        "OsirisRex", "BennuBarycenter", "Earth"
    })

    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 = OsirisRexAsset.OsirisRex.Identifier,
        Position = { 26974590199.661884, 76314608558.908020, -127086452897.101791 },
        Rotation = { 0.729548, -0.126024, 0.416827, 0.527382 },
    })
end)

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

    openspace.removeVirtualProperty("*Trail.renderable.Enabled")
    openspace.removeInterestingNodes({
        "OsirisRex", "BennuBarycenter", "Earth"
    })
end)