library(testthat)

context("Test generic method addSuffix")

source(paste0("", "testUtils.R"))

test_that("Add suffix to parameters is working as expected", {
  
  parameters <- Parameters() %>%
    add(Theta(name="CL", index=1, fix=FALSE, value=4)) %>%
    add(Theta(name="V", index=2, fix=FALSE, value=40)) %>%
    add(Theta(name="KA", index=3, fix=FALSE, value=0.5)) %>%
    add(Omega(name="CL", index=1, index2=1, fix=FALSE, value=0.1)) %>%
    add(Omega(name="V", index=2, index2=2, fix=FALSE, value=0.1)) %>%
    add(Omega(name=NA, index=2, index2=1, fix=FALSE, value=0.5, type="cor"))
  
  updatedParameters <- parameters %>%
    addSuffix("A")
  
  expectedParameters <- Parameters() %>%
    add(Theta(name="CL_A", index=1, fix=FALSE, value=4)) %>%
    add(Theta(name="V_A", index=2, fix=FALSE, value=40)) %>%
    add(Theta(name="KA_A", index=3, fix=FALSE, value=0.5)) %>%
    add(Omega(name="CL_A", index=1, index2=1, fix=FALSE, value=0.1)) %>%
    add(Omega(name="V_A", index=2, index2=2, fix=FALSE, value=0.1)) %>%
    add(Omega(name=NA, index=2, index2=1, fix=FALSE, value=0.5, type="cor"))
  
  expect_equal(updatedParameters, expectedParameters)
  
  # Separator can't be a dot for instance
  expect_error(parameters %>% addSuffix("A", separator="."), regexp="is not a valid separator")
  
  # Suffix can't contain a dot neither
  expect_error(parameters %>% addSuffix(".A"), regexp="is not a valid suffix")
})

test_that("Add suffix to a code record is working as expected", {
  
  main <- MainRecord() %>%
    add(Equation("KA", "THETA_KA * exp(ETA_KA)")) %>%
    add(Equation("KA2", "2 * KA")) %>%
    add(Equation("TMP", "0")) %>%
    add(IfStatement("KA2 > 10", Equation("TMP", "1")))
  
  updatedMain <- main %>%
    addSuffix("A")
  
  expectedMain <- MainRecord() %>%
    add(Equation("KA_A", "THETA_KA * exp(ETA_KA)")) %>%
    add(Equation("KA2_A", "2 * KA_A")) %>%
    add(Equation("TMP_A", "0")) %>%
    add(IfStatement("KA2_A > 10", Equation("TMP_A", "1")))
  
  expect_equal(updatedMain, expectedMain)
})

test_that("Add suffix to compartments is working as expected", {
  
  compartments <- Compartments() %>%
    add(Compartment(index=1, name="ABS")) %>%
    add(Compartment(index=2, name="CENTRAL")) %>%
    add(Compartment(index=3, name="OUTPUT"))
  
  updatedCompartments <- compartments %>%
    addSuffix("A")
  
  expectedCompartments <- Compartments() %>%
    add(Compartment(index=1, name="ABS_A")) %>%
    add(Compartment(index=2, name="CENTRAL_A")) %>%
    add(Compartment(index=3, name="OUTPUT_A"))
  
  expect_equal(updatedCompartments, expectedCompartments)
})

test_that("Add suffix to a Campsis model is working as expected", {
  
  modelA <- model_suite$testing$pk$`1cpt_zo_abs_lag` %>%
    addSuffix("1", separator="") %>%
    add(LineBreak())
  
  modelB <- model_suite$testing$pk$`1cpt_zo_abs_lag` %>%
    addSuffix("2", separator="")
  
  modelAB <- modelA %>%
    add(modelB)

  expectedModelPath <- paste0(testFolder, "custom/", "model_suffix_ab")
  # modelAB %>% write(expectedModelPath)
  
  expectedModel <- read.campsis(expectedModelPath)
  expect_equal(modelAB, expectedModel)
  # library(campsis)
  # ds <- Dataset(50) %>%
  #   add(Infusion(time=0, amount=1000, compartment=1)) %>%
  #   add(Infusion(time=0, amount=2000, compartment=3)) %>%
  #   add(Observations(seq(0,24)))
  # results <- simulate(model=modelAB, dataset=ds, dest="mrgsolve", seed=1)
  # shadedPlot(results, "CONC1")
  # shadedPlot(results, "CONC2")
})