(module plugins.bufferline
  {require {a aniseed.core
            fennel aniseed.fennel 
            nvim aniseed.nvim 
            utils utils
            bufferline bufferline}})

(local colors (utils.colors))

; :h bufferline-lua-highlights
(let [selected { :guibg colors.neutral_aqua :guifg colors.dark0 :gui ""}
      visible  { :guibg colors.dark1 :guifg colors.neutral_aqua :gui ""}]
  (bufferline.setup 
    { :options
      { :diagnostics "nvim_lsp"
        :diagnostics_indicator (fn [cnt lvl diagnostics-dict] (.. " (" cnt ")"))
        :show_buffer_close_icons false
        :show_close_icon false
        :show_tab_indicators false
        :enforce_regular_tabs false
        :tab_size 10}

      ; https://github.com/akinsho/nvim-bufferline.lua/blob/4ebab39af2376b850724dd29c29579c8e024abe6/lua/bufferline/config.lua#L74
      :highlights 
      { :fill { :guibg colors.dark0 :guifg colors.light0}
        :background visible
        :buffer_visible visible
        :buffer_selected selected
        :modified visible
        :modified_visible visible
        :modified_selected selected
        :error visible
        :error_selected selected
        :error_visible selected
        :warning visible
        :warning_selected selected
        :warning_visible visible

        :duplicate visible
        :duplicate_visible visible
        :duplicate_selected selected

        :diagnostic          { :gui "" :guibg colors.dark1        :guifg colors.neutral_red}
        :diagnostic_visible  { :gui "" :guibg colors.dark1        :guifg colors.neutral_red}
        :diagnostic_selected { :gui "" :guibg colors.neutral_aqua :guifg colors.faded_red}

        :info_diagnostic          { :gui "" :guibg "blue" :guifg colors.neutral_yellow}
        :info_diagnostic_visible  { :gui "" :guibg "blue" :guifg colors.neutral_yellow}
        :info_diagnostic_selected { :gui "" :guibg "blue" :guifg colors.faded_yellow}

        :warning_diagnostic          { :gui "" :guibg colors.dark1        :guifg colors.neutral_yellow}
        :warning_diagnostic_visible  { :gui "" :guibg colors.dark1        :guifg colors.neutral_yellow}
        :warning_diagnostic_selected { :gui "" :guibg colors.neutral_aqua :guifg colors.faded_yellow}

        :separator visible
        :indicator_selected {:guibg colors.neutral_aqua :guifg colors.neutral_aqua}

        ; stuff I've never seen before :thonk:
        :pick_selected {:guibg colors.bright_red :guifg colors.bright_red}
        :tab_selected {:guibg colors.bright_green :guifg colors.bright_green}
        :tab {:guibg colors.bright_yellow :guifg colors.bright_yellow}}}))


(utils.highlight :BufferLineInfoSelected { :bg colors.neutral_aqua :fg colors.dark0 :gui "NONE"})