context ("add-groups")

test_all <- (identical (Sys.getenv ("MPADGE_LOCAL"), "true") |
    identical (Sys.getenv ("GITHUB_WORKFLOW"), "test-coverage"))

test_that ("basemap", {
    expect_error (add_osm_groups (), "map must be supplied")
    expect_error (add_osm_groups (NULL), "map must be a ggplot2 object")
    expect_error (add_osm_groups (cols = 1:4), "map must be supplied")
})

bbox <- get_bbox (c (-0.13, 51.5, -0.11, 51.52))
dat_B <- london$dat_BNR # nolint
dat_H <- london$dat_H # nolint

pts <- cbind (
    c (-0.115, -0.13, -0.13, -0.115),
    c (51.505, 51.505, 51.515, 51.515)
)
pts1 <- cbind (
    c (-0.115, -0.125, -0.125, -0.115),
    c (51.513, 51.513, 51.517, 51.517)
)
pts2 <- cbind (
    c (-0.111, -0.1145, -0.1145, -0.111),
    c (51.517, 51.517, 51.519, 51.519)
)
grps <- list (pts, pts1, pts2)

test_that ("obj", {
    map <- osm_basemap (bbox = bbox, bg = "gray20")
    expect_error (add_osm_groups (map), "obj must be supplied")
    expect_error (
        add_osm_groups (map, obj = 1),
        "obj must be a spatial object"
    )

})

test_that ("cols", {
    map <- osm_basemap (bbox = bbox, bg = "gray20")
    expect_error (add_osm_groups (map, dat_B), "groups must be provided")
    # expect_silent (add_osm_groups (map, dat_B, groups = pts, bg = 1))
    expect_message (
        add_osm_groups (map, dat_B,
            groups = list (pts),
            cols = 1
        ),
        paste0 (
            "Plotting one group only makes sense with bg; ",
            "defaulting to gray40"
        )
    )
})

test_that ("group errors", {
    map <- osm_basemap (bbox = bbox, bg = "gray20")
    expect_error (
        add_osm_groups (map, dat_B, bg = 1),
        "groups must be provided"
    )
    expect_error (
        add_osm_groups (map, dat_B, NULL),
        "groups must not be NULL"
    )
    expect_error (
        add_osm_groups (map, dat_B,
            groups = list (dat_H)
        ),
        "All groups must be numeric"
    )
    grps1 <- list (pts, pts, "a")
    expect_error (
        add_osm_groups (map, dat_B, groups = grps1),
        "All groups must be numeric"
    )
})

test_that ("groups with polygons", {
    map <- osm_basemap (bbox = bbox, bg = "gray20")
    expect_silent (map <- add_osm_groups (map, dat_B,
        groups = grps,
        bg = "gray40"
    ))
    # expect_silent (print_osm_map (map))
    # dev.off (which = dev.cur ())

    map <- osm_basemap (bbox = bbox, bg = "gray20")
    expect_silent (map <- add_osm_groups (map, dat_B,
        groups = grps
    ))
})

test_that ("groups with lines", {
    map <- osm_basemap (bbox = bbox, bg = "gray20")

    map <- osm_basemap (bbox = bbox, bg = "gray20")
    expect_silent (map <- add_osm_groups (map, dat_H,
        groups = grps,
        bg = "gray40"
    ))
    # expect_silent (print_osm_map (map))
    # dev.off (which = dev.cur ())

    map <- osm_basemap (bbox = bbox, bg = "gray20")
    expect_silent (map <- add_osm_groups (map, dat_B,
        groups = grps
    ))
})

test_that ("boundary", {
    map <- osm_basemap (bbox = bbox, bg = "gray20")
    expect_silent (map <- add_osm_groups (map, dat_B, grps, 1, 2,
        boundary = NULL
    ))
})

test_that ("make_hull", {
    map <- osm_basemap (bbox = bbox, bg = "gray20")
    expect_warning (
        map <- add_osm_groups (map, dat_B, pts, 1,
            bg = 2,
            make_hull = 1:2
        ),
        "make_hull has length > number of groups"
    )
    expect_warning (
        add_osm_groups (map, dat_B, grps, 1,
            bg = 2,
            make_hull = 1:2
        ),
        "make_hull should have length 1"
    )
    expect_silent (map <- add_osm_groups (map, dat_B, grps, 1,
        bg = 2,
        make_hull = TRUE,
        border_width = 2
    ))
})

test_that ("colourmat", {
    map <- osm_basemap (bbox = bbox, bg = "gray20")
    expect_silent (add_osm_groups (map, dat_B, grps, 1, 2, colmat = 1))
    expect_error (
        add_osm_groups (map, dat_B, grps, 1, 2, colmat = "a"),
        "colmat can not be coerced to logical"
    )
    expect_silent (add_osm_groups (map, dat_B, grps, cols = 1:2, 2))
    expect_silent (add_osm_groups (map, dat_B, grps,
        cols = 1:2, 2,
        rotate = "a"
    ))
})

test_that ("rotate", {
    map <- osm_basemap (bbox = bbox, bg = "gray20")
    expect_silent (add_osm_groups (map, dat_B, grps, 1, 2, rotate = 1))
    expect_silent (add_osm_groups (map, dat_B, grps, 1, 2,
        rotate = "abc"
    ))
})