--
G.opt.ttimeout     = true
G.opt.ttimeoutlen  = 100

-- 行号
G.opt.nu           = true
G.opt.rnu          = true
G.opt.scrolloff    = 999

-- 自动保存
G.opt.autowrite    = true
G.opt.autowriteall = true

-- tab键
G.opt.sw           = 2
G.opt.ts           = 2
G.opt.softtabstop  = 2
G.opt.smarttab     = true
G.opt.expandtab    = true
G.opt.autoindent   = true

-- 光标
G.opt.cursorline   = true

-- 分屏
G.opt.splitright   = true
G.opt.splitbelow   = true

-- 搜索
G.opt.ignorecase   = true
G.opt.incsearch    = true

-- 不换行
G.opt.textwidth    = 999
G.opt.wrap         = false


-- 文件判断
G.cmd("filetype plugin indent on")

-- 取消换行注释
G.au({ "BufEnter" }, {
  pattern = { "*" },
  callback = function()
    -- vim.opt.formatoptions = vim.opt.formatoptions - { "c", "r", "o" }
    G.opt.formatoptions = G.opt.formatoptions
        - "o" -- O and o, don't continue comments
        + "r" -- But do continue when pressing enter.
  end,
})

G.au({ "InsertEnter" }, {
  pattern = { "*" },
  callback = function()
    G.opt.hlsearch = false
  end,
})

G.au({ "VimEnter", "BufEnter" }, {
  pattern = { "*.code-snippets" },
  callback = function()
    G.cmd("setfiletype json")
  end,
})

-- G.au({
--   {"CmdlineEnter"},
--   {
--     if index
--   }
-- })


local function isempty(s)
  return s == nil or s == ""
end

local function use_if_defined(val, fallback)
  return val ~= nil and val or fallback
end


local conda_prefix = os.getenv("CONDA_PREFIX")
if not isempty(conda_prefix) then
    vim.g.python_host_prog = use_if_defined(vim.g.python_host_prog, conda_prefix .. "/bin/python")
    vim.g.python3_host_prog = use_if_defined(vim.g.python3_host_prog, conda_prefix .. "/bin/python")
else
    vim.g.python_host_prog = use_if_defined(vim.g.python_host_prog, "python")
    vim.g.python3_host_prog = use_if_defined(vim.g.python3_host_prog, "python3")
end