context("Writing Posixct")



test_that("Writing Posixct with writeData & writeDataTable", {
  options("openxlsx.datetimeFormat" = "dd/mm/yy hh:mm")

  tstart <- strptime("30/05/2017 08:30", "%d/%m/%Y %H:%M", tz = "CET")
  TimeDT <- c(0, 5, 10, 15, 30, 60, 120, 180, 240, 480, 720, 1440) * 60 + tstart
  df <- data.frame(TimeDT, TimeTxt = format(TimeDT, "%Y-%m-%d %H:%M"))

  wb <- createWorkbook()
  addWorksheet(wb, "writeData")
  addWorksheet(wb, "writeDataTable")

  writeData(wb, "writeData", df, startCol = 2, startRow = 3, rowNames = FALSE)
  writeDataTable(wb, "writeDataTable", df, startCol = 2, startRow = 3)

  wd <- as.numeric(wb$worksheets[[1]]$sheet_data$v)
  wdt <- as.numeric(wb$worksheets[[2]]$sheet_data$v)


  expected <- c(
    0, 1, 42885.3541666667, 2, 42885.3576388889, 3, 42885.3611111111,
    4, 42885.3645833333, 5, 42885.375, 6, 42885.3958333333, 7, 42885.4375,
    8, 42885.4791666667, 9, 42885.5208333333, 10, 42885.6875, 11,
    42885.8541666667, 12, 42886.3541666667, 13
  )

  expect_equal(object = round(wd, 12), expected = expected)
  expect_equal(object = round(wdt, 12), expected = expected)
  expect_equal(object = wd, expected = wdt)

  options("openxlsx.datetimeFormat" = "yyyy-mm-dd hh:mm:ss")
})


test_that("Writing mixed EDT/EST Posixct with writeData & writeDataTable", {
  options("openxlsx.datetimeFormat" = "dd/mm/yy hh:mm")

  tstart1 <- as.POSIXct("12/03/2018 08:30", format = "%d/%m/%Y %H:%M")
  tstart2 <- as.POSIXct("10/03/2018 08:30", format = "%d/%m/%Y %H:%M")
  TimeDT1 <- c(NA, 0, 10, 30, 60, 120, 240, 720, 1440) * 60 + tstart1
  TimeDT2 <- c(0, 10, 30, 60, 120, 240, 720, NA, 1440) * 60 + tstart2

  df <- data.frame(
    timeval = c(TimeDT1, TimeDT2),
    timetxt = format(c(TimeDT1, TimeDT2), "%Y-%m-%d %H:%M")
  )

  wb <- createWorkbook()
  addWorksheet(wb, "writeData")
  addWorksheet(wb, "writeDataTable")

  writeData(wb, "writeData", df, startCol = 2, startRow = 3, rowNames = FALSE)
  writeDataTable(wb, "writeDataTable", df, startCol = 2, startRow = 3)

  wd <- as.numeric(wb$worksheets[[1]]$sheet_data$v)
  wdt <- as.numeric(wb$worksheets[[2]]$sheet_data$v)
  wd <- wd[wb$worksheets[[1]]$sheet_data$cols == 2]
  wdt <- wdt[wb$worksheets[[2]]$sheet_data$cols == 2]

  # drop any integer indexes introduced in write
  wd <- wd[wd != 0 | is.na(wd)]
  wdt <- wdt[wdt  != 0 | is.na(wdt)]

  # sort everything
  wd <- convertToDateTime(wd[order(wd)])
  wdt <- convertToDateTime(wdt[order(wdt)])
  expected <- df$timeval[order(df$timeval)]

  # compare
  expect_equal(
    object = wd,
    expected = expected,
    tolerance = 10 ^ -10,
    check.tzone = FALSE
  )
  expect_equal(
    object = wdt,
    expected = expected,
    tolerance = 10 ^ -10,
    check.tzone = TRUE
  )
  expect_equal(
    object = wd,
    expected = wdt,
    check.tzone = TRUE
  )
  
  options("openxlsx.datetimeFormat" = "yyyy-mm-dd hh:mm:ss")
})