library(testthat)

# -------------------------------------------------------------------------
# Docker Detection
# -------------------------------------------------------------------------

test_that("ensureDocker detects Docker daemon", {
  skip_if_not(system2("docker", "info", stdout = FALSE, stderr = FALSE) == 0,
              "Docker not available")
  
  expect_true(ensureDocker())
})



# -------------------------------------------------------------------------
# pushDockerImage Tests
# -------------------------------------------------------------------------

test_that("pushDockerImage requires repo", {
  skip_if_not(exists("pushDockerImage", mode = "function"), "Package not loaded")
  expect_error(
    pushDockerImage(),
    "repo is required",
    fixed = TRUE
  )
})

test_that("pushDockerImage errors when image is missing", {
  skip_if_not(system2("docker", "info", stdout = FALSE, stderr = FALSE) == 0,
              "Docker not available")

  expect_error(
    pushDockerImage(
      image_name = "__definitely_not_an_image__",
      repo = "someone/somewhere",
      username = "x",
      password = "y",
      logout = FALSE
    ),
    "not found",
    ignore.case = TRUE
  )
})



# -------------------------------------------------------------------------
# dockeriseStudy Tests
# -------------------------------------------------------------------------

test_that("dockeriseStudy uses r-ver by default", {
  skip("Integration test - requires valid renv project")
})

test_that("dockeriseStudy uses rstudio when requested", {
  skip("Integration test - requires valid renv project")
})

# -------------------------------------------------------------------------
# runRStudio Tests
# -------------------------------------------------------------------------

test_that("runRStudio auto-detects image name", {
  skip("Integration test - requires built rstudio image")
})

test_that("runRStudio generates password if not provided", {
  skip("Integration test - requires built rstudio image")
})

test_that("runRStudio creates results directory", {
  skip("Integration test - requires built rstudio image")
})

test_that("runRStudio returns container ID invisibly", {
  skip("Integration test - requires built rstudio image")
})

# -------------------------------------------------------------------------
# Container Lifecycle Tests
# -------------------------------------------------------------------------

test_that("stopStudy stops rstudio containers", {
  skip("Integration test - requires running container")
})

test_that("stopStudy accepts explicit container name", {
  skip("Integration test - requires running container")
})



# -------------------------------------------------------------------------
# Automated Execution Tests
# -------------------------------------------------------------------------

test_that("runStudy requires processx package", {
  skip("Integration test - requires built image")
})

test_that("runStudy auto-detects image name", {
  skip("Integration test - requires built image and test script")
})

test_that("runStudy mounts config file when provided", {
  skip("Integration test - requires built image and config file")
})

test_that("runStudy streams logs in real-time", {
  skip("Integration test - requires built image and test script")
})

test_that("runStudy returns exit status", {
  skip("Integration test - requires built image and test script")
})