library(shiny)
library(leaflet)
library(dplyr)
library(shinyWidgets)

Geo2017 <- readRDS("Geo2017.rds")
Geo2017$Snargle <- c(TRUE, rep(FALSE, 5))

DHBs <- sort(unique(Geo2017$dhb_name))
DHBs <- c(DHBs[DHBs != "Missing"], "Missing")


ui <- fillPage(title = "New Zealand GP Practice Locations 2017",
    tags$style(type = "text/css", 
               "#medmap {
                 height: 100% !important;
                 posiiton: absolute;
                 top: 0;
                 left: 0;
               }
               #ddown {
                 position: absolute;
                 top: 0;
                 right: 0;
                 z-index: 10;
               }"),
    dropdownButton(
      strong("Not Implemented"), hr(),
      searchInput("mapsearch",
                  placeholder = "Search GP practices by name",
                  btnSearch = icon("search"), 
                  btnReset = icon("remove"), 
                  width = "100%"),
      hr(),
      radioButtons("selcol", "Colour by",
                   choices = c("None",
                               "DHB",
                               "Snargleflagen")),
      hr(),
      checkboxInput("dhboverlay", "Show DHBs"),
      hr(),
      #pickerInput("dhbpicker",
      #            label = "Show from DHBs",
      #            choices = DHBs,
      #            multiple = TRUE,
      #            options = pickerOptions(size=3),
      #            selected = DHBs),
      #hr(),
      actionLink("closedrop", label = "close", icon = icon("close"),
                 style="float:right"),
      circle=FALSE, inputId = "ddown", right = TRUE,
      label = "Options", inline = FALSE),
    leafletOutput(outputId = "medmap")
)

server <- function(input, output) {
    output$medmap <- renderLeaflet({
        leaflet(Geo2017) %>%
            addTiles() %>%
            addMarkers(lng = Geo2017$lon,
                       lat = Geo2017$lat,
                       popup = Geo2017$name)
    })
    
    observeEvent(input$closedrop, {
      toggleDropdownButton("ddown")
    })
}

# Run the application 
shinyApp(ui = ui, server = server)