# Author-
# Description-

import adsk.core
import adsk.fusion
import adsk.cam
import traceback


def run(context):
    ui = None
    try:
        app = adsk.core.Application.get()
        ui = app.userInterface

        zoom_camera(app, app.activeViewport)
        # ui.messageBox('Hello script')

    except:
        if ui:
            ui.messageBox('Failed:\n{}'.format(traceback.format_exc()))


def zoom_camera(app: adsk.core.Application, view: adsk.core.Viewport):
    try:
        camera = view.camera
        eye = camera.eye
        target = camera.target

        eye_x = eye.x
        eye_y = eye.y
        eye_z = eye.z

        tgt_x = target.x
        tgt_y = target.y
        tgt_z = target.z

        eye_tgt_vector = eye.vectorTo(target)

        eye_tgt_vector.scaleBy(0.5)

        new_x = eye_tgt_vector.asPoint().x
        new_y = eye_tgt_vector.asPoint().y
        new_z = eye_tgt_vector.asPoint().z
        # eye.set(eye_x - new_x, eye_y - new_y, eye_z - new_z)
        eye = adsk.core.Point3D.create(
            eye_x - new_x, eye_y - new_y, eye_z - new_z)
        # eye.translateBy(eye_tgt_vector)
        eye = adsk.core.Point3D.create(100, 100, 100)
        camera.eye = eye
        fit = camera.isFitView
        base = camera.viewExtents
        base = base*2
        camera.viewExtents = base
        view.camera = camera
        view.refresh()

        ui = app.userInterface
        ui.messageBox('Eye: {0}, {1}, {2} \ntarget: {3}, {4}, {5}'.format(
            eye.x, eye.y, eye.z, target.x, target.y, target.z))

    except:
        ui = app.userInterface
        if ui:
            ui.messageBox('Failed:\n{}'.format(traceback.format_exc()))