build_fake_r_file <- function(path = NULL) {
  if (is.null(path)) {
    path <- tempfile(fileext = ".R")
  }
  file.create(path)
  writeLines("
    setup_logger <- function(args, logger) {
      if (!is.null(args$verbose) && args$verbose) {
        logger$set_verbose(TRUE)
      }
      if (!is.null(args$debug) && args$debug) {
        logger$set_debug(TRUE)
      }
      if (!is.null(args$logs)) {
        logger$add_out_paths(args$logs)
      }
    }
    processing <- function(args, logger) {
      logger$info(\"The tool is working...\")
      Sys.sleep(1)
      logger$infof(\"Input: %s.\", args$input)
      logger$info(\"The tool stoping.\")
      return(NULL)
    }", con = path
  )
  return(path)
}

test_that("Testing source_local", {
  testthat::expect_warning(
    testthat::expect_error(source_local("/tmp/test.R"))
  )
})

test_that("Testing source_local with env", {
  env <- new.env()
  path <- build_fake_r_file()
  testthat::expect_no_error(source_local(path, env = env))
  file.remove(path)
  testthat::expect_no_error(env$processing)

  env <- new.env()
  path <- "./test.R"
  testthat::expect_no_error(
    source_local(build_fake_r_file(path), env = env)
  )
  file.remove(path)
  testthat::expect_no_error(env$processing)
})

test_that("Testing shy_lib", {
  testthat::expect_warning(shy_lib("base"), regex = NA)
})

test_that("Testing parse_args", {
  testthat::expect_warning(
    testthat::expect_identical(parse_args(), list()),
    regex = paste(
      "Please, use the 'optparse' library instead of the",
      "'parse_args' function."
    ),
    fixed = TRUE
  )
  suppressWarnings({
    testthat::expect_identical(
      parse_args(args = c("--args", "x", "TRUE")),
      list(x = TRUE)
    )
    testthat::expect_identical(
      parse_args(args = c("--args", "x", "1")),
      list(x = 1)
    )
    testthat::expect_identical(
      parse_args(args = c("--args", "x", "1"), convert_numerics = FALSE),
      list(x = "1")
    )
    testthat::expect_identical(
      parse_args(args = c("--args", "x", "TRUE"), convert_booleans = FALSE),
      list(x = "TRUE")
    )
  })
})

test_that("Testing stock_id - variable", {
  data_matrix <- data.frame(id = c("a", "b"), a = 2:3, b = 3:4)
  var_meta <- data.frame(a = 1:2, b = 2:3, c = 3:4)
  testthat::expect_identical(
    stock_id(data_matrix = data_matrix, var_meta, "variable"),
    list(
      id.match = data.frame(
        order.ori = 1:2,
        a = 1:2,
        id.new = make.names(c("X1", "X2")),
        id = c("a", "b"),
        id.new.DM = make.names(c("a", "b"))
      ),
      dataMatrix = data.frame(
        id = make.names(c("a", "b")),
        a = 2:3,
        b = 3:4
      ),
      Metadata = data.frame(
        a = make.names(c("X1", "X2")),
        b = 2:3,
        c = 3:4
      )
    )
  )
})

test_that("Testing reproduce_id - variable", {
  data_matrix <- data.frame(id = c("a", "b"), a = 2:3, b = 3:4)
  var_meta <- data.frame(a = 1:2, b = 2:3, c = 3:4)

  datamatrix_a <- data.frame(
    data = 1:6, a = 2:7, b = 3:8, c = 2:7, d = 3:8, e = 2:7
  )
  variablemeta_a <- data.frame(
    variable = 1:6, x = 4:9, y = 2:7, z = 3:8
  )
  stored <- stock_id(datamatrix_a, variablemeta_a, "variable")

  datamatrix <- as.data.frame(stored$dataMatrix)
  variable_metadata <- as.data.frame(stored$Metadata)
  stored <- stored$id.match

  reproduced <- reproduce_id(datamatrix, variable_metadata, "variable", stored)
  testthat::expect_identical(datamatrix_a, reproduced$dataMatrix)
  testthat::expect_identical(variablemeta_a, reproduced$Metadata)
})

test_that("Testing stock_id - sample", {
  data_matrix <- data.frame(id = 1:3, a = 2:4, b = 3:5, c = 4:6)
  sample_meta <- data.frame(x = 1:3, y = 2:4, z = 3:5)
  testthat::expect_identical(
    stock_id(data_matrix = data_matrix, sample_meta, "sample"),
    list(
      id.match = data.frame(
        order.ori = 1:3,
        x = 1:3,
        id.new = make.names(1:3),
        id = c("a", "b", "c"),
        id.new.DM = c("a", "b", "c")
      ),
      dataMatrix = data.frame(
        id = 1:3,
        a = 2:4,
        b = 3:5,
        c = 4:6
      ),
      Metadata = data.frame(
        x = make.names(1:3),
        y = 2:4,
        z = 3:5
      )
    )
  )
})

test_that("Testing reproduce_id - sample", {

  datamatrix_a <- data.frame(id = c("a", "b", "c"), a = 2:4, b = 3:5, c = 4:6)
  sample_meta_a <- data.frame(a = 1:3, b = 2:4, c = 3:5)
  stored <- stock_id(datamatrix_a, sample_meta_a, "sample")

  datamatrix <- as.data.frame(stored$dataMatrix)
  sample_metadata <- as.data.frame(stored$Metadata)
  stored <- stored$id.match

  reproduced <- reproduce_id(datamatrix, sample_metadata, "sample", stored)
  testthat::expect_identical(reproduced$dataMatrix, datamatrix_a)
  testthat::expect_identical(reproduced$Metadata, sample_meta_a)
})

test_that("Testing import2", {
  dm_path <- system.file(
    "extdata",
    "mini_datamatrix.txt",
    package = "W4MRUtils"
  )
  meta_path <- system.file(
    "extdata",
    "mini_variablemetadata.txt",
    package = "W4MRUtils"
  )
  result <- import2(dm_path, meta_path, "variable")
  testthat::expect_equal(
    row.names(result$dataMatrix),
    row.names(result$metadata)
  )
  testthat::expect_equal(
    colnames(result$dataMatrix), c(
    "data", "j 785", "y54j 68y4j6", "5-6 4", "hrh",
    "5h -", "3", "t564", "t54 66", "y6y",
    "t6 5h", "(5y", "g51", "(", "6",
    "98 j7-0", "06654h", "60"
  ))
  testthat::expect_equal(nrow(result$dataMatrix), 17)
  testthat::expect_equal(nrow(result$metadata), 17)
  testthat::expect_length(result, 2)
  testthat::expect_named(result, c("dataMatrix", "metadata"))
  testthat::expect_named(result$metadata)
})

test_that("Testing import3", {
  dm_path <- system.file(
    "extdata",
    "mini_datamatrix.txt",
    package = "W4MRUtils"
  )
  vm_path <- system.file(
    "extdata",
    "mini_variablemetadata.txt",
    package = "W4MRUtils"
  )
  sm_path <- system.file(
    "extdata",
    "mini_samplemetadata.txt",
    package = "W4MRUtils"
  )
  result <- import3(dm_path, sm_path, vm_path)
  testthat::expect_equal(
    result$dataMatrix[, 1],
    result$variableMetadata[, 1]
  )
  testthat::expect_equal(
    colnames(result$dataMatrix),
    c("data", result$sampleMetadata[, 1])
  )
  testthat::expect_equal(
    colnames(result$dataMatrix), c(
    "data", "j 785", "y54j 68y4j6", "5-6 4", "hrh",
    "5h -", "3", "t564", "t54 66", "y6y",
    "t6 5h", "(5y", "g51", "(", "6",
    "98 j7-0", "06654h", "60"
  ))
  testthat::expect_equal(nrow(result$dataMatrix), 17)
  testthat::expect_equal(nrow(result$variableMetadata), 17)
  testthat::expect_length(result, 3)
  testthat::expect_named(
    result,
    c("dataMatrix", "sampleMetadata", "variableMetadata")
  )
  testthat::expect_named(result$variableMetadata)
})

test_that("Testing import3 disable_comm = FALSE", {
  dm_path <- system.file(
    "extdata",
    "mini_datamatrix.txt",
    package = "W4MRUtils"
  )
  vm_path <- system.file(
    "extdata",
    "mini_variablemetadata.txt",
    package = "W4MRUtils"
  )
  sm_path <- system.file(
    "extdata",
    "mini_samplemetadata.txt",
    package = "W4MRUtils"
  )
  result <- import3(dm_path, sm_path, vm_path, disable_comm = FALSE)
  testthat::expect_true(all(grepl(
    "^Comp\\d+$",
    result$variableMetadata$E,
    perl = TRUE
  )))
})

test_that("Testing import2 errors", {
  testthat::expect_error(
    import2(42, "", "sample"),
    paste0(
      "\n- - - - - - - - -\n",
      "/!\\ The input dataMatrix path parameter is not a character string.\n",
      "\n- - - - - - - - -\n"
    ),
    fixed = TRUE
  )
  testthat::expect_error(
    import2("", 42, "variable"),
    paste0(
      "\n- - - - - - - - -\n",
      "/!\\ The input metadata file path parameter is ",
      "not a character string.\n",
      "\n- - - - - - - - -\n"
    ),
    fixed = TRUE
  )
  testthat::expect_error(
    import2("", "", 42),
    paste0(
      "\n- - - - - - - - -\n",
      "/!\\ The input metadata type parameter is ",
      "not one of 'sample' and 'variable'.\n",
      "\n- - - - - - - - -\n"
    ),
    fixed = TRUE
  )
  testthat::expect_error(
    import2("", "", "sample", 42),
    paste0(
      "\n- - - - - - - - -\n",
      "/!\\ The input disable_comm parameter is ",
      "not one of 'TRUE' and 'FALSE'. \n",
      "\n- - - - - - - - -\n"
    ),
    fixed = TRUE
  )
  testthat::expect_error(
    import2("", disable_comm = 42, "", "variable"),
    paste0(
      "\n- - - - - - - - -\n",
      "/!\\ The input disable_comm parameter is ",
      "not one of 'TRUE' and 'FALSE'. \n",
      "\n- - - - - - - - -\n"
    ),
    fixed = TRUE
  )
})


test_that("Testing import3 errors", {
  testthat::expect_error(
    import3(42, "", ""),
    paste0(
      "\n- - - - - - - - -\n",
      "/!\\ The input dataMatrix path parameter is ",
      "not a character string.\n",
      "\n- - - - - - - - -\n"
    ),
    fixed = TRUE
  )
  testthat::expect_error(
    import3("", 42, ""),
    paste0(
      "\n- - - - - - - - -\n",
      "/!\\ The input sampleMetadata file path parameter is ",
      "not a character string.\n",
      "\n- - - - - - - - -\n"
    ),
    fixed = TRUE
  )
  testthat::expect_error(
    import3("", "", 42),
    paste0(
      "\n- - - - - - - - -\n",
      "/!\\ The input variableMetadata file path parameter is ",
      "not a character string.\n",
      "\n- - - - - - - - -\n"
    ),
    fixed = TRUE
  )
  testthat::expect_error(
    import3("", "", "", 42),
    paste0(
      "\n- - - - - - - - -\n",
      "/!\\ The input disable_comm parameter is not ",
      "one of 'TRUE' and 'FALSE'. \n",
      "\n- - - - - - - - -\n"
    ),
    fixed = TRUE
  )
  testthat::expect_error(
    import3("", disable_comm = 42, "", ""),
    paste0(
      "\n- - - - - - - - -\n",
      "/!\\ The input disable_comm parameter is not ",
      "one of 'TRUE' and 'FALSE'. \n",
      "\n- - - - - - - - -\n"
    ),
    fixed = TRUE
  )
})