### Wrap --------

if (interactive()) {
  library(apexcharter)
  
  # Scatter ----
  
  data("mpg", package = "ggplot2")
  
  # Create facets
  apex(mpg, aes(displ, cty), type = "scatter") %>% 
    ax_facet_wrap(vars(drv))
  
  # Change number of columns
  apex(mpg, aes(displ, cty), type = "scatter") %>% 
    ax_facet_wrap(vars(drv), ncol = 2)
  
  # Free axis
  apex(mpg, aes(displ, cty), type = "scatter") %>% 
    ax_facet_wrap(vars(drv), ncol = 2, scales = "free")
  
  # labels
  apex(mpg, aes(displ, cty), type = "scatter") %>% 
    ax_facet_wrap(
      vars(drv), ncol = 2,
      labeller = function(x) {
        switch(
          x,
          "f" = "front-wheel drive", 
          "r" = "rear wheel drive",
          "4" = "4wd"
        )
      }
    )
  
  # Title and subtitle are treated as global
  apex(mpg, aes(displ, cty), type = "scatter") %>%
    ax_labs(
      title = "Facet wrap example",
      subtitle = "mpg data from ggplot2"
    ) %>% 
    ax_facet_wrap(vars(drv), ncol = 2)
  
  
  # Multiple variables
  apex(mpg, aes(displ, cty), type = "scatter") %>% 
    ax_facet_wrap(vars(year, drv))
  
  apex(mpg, aes(displ, cty), type = "scatter") %>% 
    ax_facet_wrap(vars(year, drv), ncol = 2, nrow = 3)
  
  apex(mpg, aes(displ, cty), type = "scatter") %>% 
    ax_chart(toolbar = list(show = FALSE)) %>% 
    ax_facet_wrap(
      vars(year, drv),
      labeller = function(x) {
        paste(x, collapse = " / ")
      }
    )
  
  
  
  # Lines ----
  
  data("unhcr_ts")
  refugees <- unhcr_ts %>% 
    subset(population_type == "Refugees (incl. refugee-like situations)") %>% 
    transform(date = as.Date(paste0(year, "-01-01")))
  
  
  apex(refugees, aes(date, n), type = "line") %>% 
    ax_yaxis(tickAmount = 5) %>% 
    ax_facet_wrap(vars(continent_origin))
  
  
  
  # Free y-axis and synchronize
  apex(refugees, aes(date, n), type = "line", synchronize = "my-id") %>% 
    ax_yaxis(tickAmount = 5) %>% 
    ax_xaxis(tooltip = list(enabled = FALSE)) %>% 
    ax_tooltip(x = list(format = "yyyy")) %>% 
    ax_facet_wrap(vars(continent_origin), scales = "free_y")
  
  
  
  # Bars ----
  
  data("unhcr_ts")
  refugees <- unhcr_ts %>% 
    subset(year == 2017)
  
  apex(refugees, aes(continent_origin, n), type = "column") %>% 
    ax_yaxis(
      labels = list(
        formatter = format_num("~s")
      ),
      tickAmount = 5
    ) %>% 
    ax_facet_wrap(vars(population_type), ncol = 2)
  
}