-- Copilot must be enabled in comnfig/options.lua or config/local.lua
if vim.g.copilot ~= true then
  return {}
end

-- TODO:
-- - stop cmp when whitespace only
-- - fix indentation on insert

-- filetypes copilot is enabled for
local ft = {
  "lua",
  "perl",
  "python",
  "zsh",
}

-- just duplicate the above table in a format copilot.lua wants
local filetypes = {}
for _, f in ipairs(ft) do
  filetypes[f] = true
end
filetypes["*"] = false

return {

  -- copilot
  { -- https://github.com/zbirenbaum/copilot.lua
    "zbirenbaum/copilot.lua",
    build = ":Copilot auth",
    --ft = ft,
    opts = {
      suggestion = { enabled = false },
      panel = { enabled = false },
      filetypes = filetypes,
    },
  },

  -- copilot cmp source
  -- don't set ut up as a dependency, because we don't want it to load unless ft matches
  { -- https://github.com/zbirenbaum/copilot-cmp
    "zbirenbaum/copilot-cmp",
    dependencies = "copilot.lua",
    init = function()
      require("lazyAnd").FileType_InsertEnter(ft, "copilot-cmp")
    end,
    config = function(_, opts)
      local copilot_cmp = require("copilot_cmp")
      copilot_cmp.setup(opts)
      -- attach cmp source whenever copilot attaches
      -- fixes lazy-loading issues with the copilot cmp source
      require("lazyvim.util").lsp.on_attach(function(client)
        if client.name == "copilot" then
          copilot_cmp._on_insert_enter({})
        end
      end)
    end,
  },

  -- add copilot as cmp source
  { -- https://github.com/hrsh7th/nvim-cmp
    "hrsh7th/nvim-cmp",
    ---@param opts cmp.ConfigSchema
    opts = function(_, opts)
      table.insert(opts.sources, 1, {
        name = "copilot",
        group_index = 1,
        priority = 100,
      })
    end,
  },

  { -- https://github.com/ellisonleao/gruvbox.nvim
    "ellisonleao/gruvbox.nvim",
    opts = {
      overrides = {
        St_Cplt_C = { fg = "#232323", bg = "#fb4934", bold = true },
        St_Cplt_p = { fg = "#232323", bg = "#b8bb26", bold = true },
        St_Cplt_l = { fg = "#232323", bg = "#83a598", bold = true },
        St_Cplt_t = { fg = "#232323", bg = "#fabd2f", bold = true },
      },
    },
  },

  { -- https://github.com/nvim-lualine/lualine.nvim
    "nvim-lualine/lualine.nvim",
    optional = true,
    event = "VeryLazy",
    opts = function(_, opts)
      local Util = require("lazyvim.util")
      local colors = {
        [""] = Util.ui.fg("Special"),
        ["Normal"] = Util.ui.fg("Special"),
        ["Warning"] = Util.ui.fg("DiagnosticError"),
        ["InProgress"] = Util.ui.fg("DiagnosticWarn"),
      }
      table.insert(opts.sections.lualine_x, {
        function()
          local icon = require("lazyvim.config").icons.kinds.Copilot
          local status = require("copilot.api").status.data
          --
          local text = ""
          text = text .. "%#St_Cplt_C#" .. "C"
          text = text .. "%#St_Cplt_p#" .. "p"
          text = text .. "%#St_Cplt_l#" .. "l"
          text = text .. "%#St_Cplt_t#" .. "t"
          text = text .. "%#StText#"
          return icon .. text .. (status.message or text)
        end,
        cond = function()
          if not package.loaded["copilot"] then
            return
          end
          local ok, clients = pcall(require("lazyvim.util").lsp.get_clients, { name = "copilot", bufnr = 0 })
          if not ok then
            return false
          end
          return ok and #clients > 0
        end,
        color = function()
          if not package.loaded["copilot"] then
            return
          end
          local status = require("copilot.api").status.data
          return colors[status.status] or colors[""]
        end,
        padding = 0,
      })
    end,
  },
}