OrderMetadata

import selenium
from selenium import webdriver
from selenium.webdriver.common.keys import Keys
from selenium.webdriver.support.ui import Select

##path = "C://Users//mwooten3//Desktop//" # windows path (and download directory)

## to use on linux: (don't forget to comment/uncomment last line)
from pyvirtualdisplay import Display
display = Display(visible = 0, size = (800, 600))
display.start()
path = '/mnt/data-store/Maggie/'

## example input variables (will be determined by AOI)
# if using scenes as input
path_from = '030'
path_to = '031'
row_from = '020'
row_to = '021'

# if using lat/long coords as input
UL_lat = '43'
UL_lon = '-112'
LR_lat = '41'
LR_lon = '-110'

# to-from date (example)
month1 = '05'
day1 = '27'
year1 = '2012'
date_from = month1 + '/' + day1 + '/' + year1
month2 = '08'
day2 = '01'
year2 = '2014'
date_to = month2 + '/' + day2 + '/' + year2

cloud = 'All' # change this variable to discriminate cloud coverage (i.e. 'Less than 10%')


# to automatically save file- not working
profile = webdriver.FirefoxProfile()
profile.set_preference('browser.download.manager.showWhenStarting', False)
profile.set_preference('browser.download.folderList', 2)
profile.set_preference("browser.download.dir", path)
profile.set_preference("browser.download.downloadDir", path)
profile.set_preference("browser.download.defaultFolder", path) 
profile.set_preference('browser.helperApps.neverAsk.saveToDisk',"text/csv")
profile.set_preference("browser.helperApps.neverAsk.openFile", "CONTENT-TYPE")

# using examples from http://selenium-python.readthedocs.org/en/latest/getting-started.html

#driver = webdriver.PhantomJS(executable_path = 'C:\\Users\\mwooten3\\Downloads\\phantomjs-1.9.8-windows') # create Firefox WebDriver instance
driver = webdriver.Firefox(profile)
driver.get("http://landsat.usgs.gov/consumer.php") # navigate to landsat bulk ordering page, load, then return control to script

#assert "Python" in driver.title # dunno why you have to do this

#### if using scenes as input:
### find path/row elements by searching via name:
##begin_path = driver.find_element_by_name('begin_path')
##end_path = driver.find_element_by_name('end_path')
##begin_row = driver.find_element_by_name('begin_row')
##end_row = driver.find_element_by_name('end_row')
##
### send path/row to site
##begin_path.send_keys(path_from) # can also use just begin_path and use arrows to fill out rest
##end_path.send_keys(path_to)
##begin_row.send_keys(row_from)
##end_row.send_keys(row_to)


## if using lat/long as input:
#find lat/long elements
lat1 = driver.find_element_by_name('lat1')
lon1 = driver.find_element_by_name('long1')
lat2 = driver.find_element_by_name('lat2')
lon2 = driver.find_element_by_name('long2')

# click choose by lat/long and send coords to form:
driver.find_element_by_id('lat_long_head').click()
lat1.send_keys(UL_lat)
lon1.send_keys(UL_lon)
lat2.send_keys(LR_lat)
lon2.send_keys(LR_lon)


# enter additional criteria
#   select sensor (4-8 combined)
sensor = driver.find_element_by_name('sensor')
chooseSensor = Select(sensor)
chooseSensor.select_by_value('LANDSAT_COMBINED')

#   enter date range and cloud coverage
start_date = driver.find_element_by_name('start_date')
end_date = driver.find_element_by_name('end_date')
start_date.send_keys(date_from)
end_date.send_keys(date_to)

cc = driver.find_element_by_name('cloud_cover')
chooseCC = Select(cc)
chooseCC.select_by_value(cloud)

### choose to search months only (or if you don't want to search months only, comment out)
##monthsOnly = driver.find_element_by_name('months_only')
##monthsOnly.click()


###look at all options (different from dir(class)?)
##all_options = monthsOnly.find_elements_by_tag_name("option")
##for option in all_options:
##    print("Value is: %s" % option.get_attribute("value"))
##    option.click()


# submit form to espa
submit = driver.find_element_by_name('submit').click()


### doesn't work:
##from selenium.webdriver.common.alert import Alert(submit)
### save file
##alert = driver.switch_to_alert()
##driver.implicitly_wait(10)
##alert.send_keys(Keys.ARROW_DOWN)
##
##print dir(alert)

display.stop()