local util = require('lspconfig').util

-- replace built in selector with telescope
require('telescope').setup {
  extensions = {
    ["ui-select"] = {
      require("telescope.themes").get_dropdown {
        -- even more opts
      }
    }
  }
}
require("telescope").load_extension("ui-select")

-- autocomplete config
local cmp = require 'cmp'
cmp.setup {
  snippet = {
    expand = function(args)
      vim.fn["vsnip#anonymous"](args.body)
    end,
  },
  mapping = {
    ['<Tab>'] = cmp.mapping.select_next_item(),
    ['<S-Tab>'] = cmp.mapping.select_prev_item(),
    ['<CR>'] = cmp.mapping.confirm({
      behavior = cmp.ConfirmBehavior.Replace,
      select = false,
    })
  },
  preselect = cmp.PreselectMode.None,
  confirmation = { get_commit_characters = function(_) return {} end },
  sources = {
    { name = 'nvim_lsp',  },
    { name = 'buffer' },
    { name = 'path' },
  },
}

-- gitsigns
require('gitsigns').setup()

-- lsp configs
require'lspconfig'.openscad_ls.setup {
  capabilities = require('cmp_nvim_lsp').update_capabilities(vim.lsp.protocol.make_client_capabilities()),
  on_attach = function(_, bufnr)
    vim.api.nvim_buf_set_option(bufnr, 'omnifunc', 'v:lua.vim.lsp.omnifunc')
  end,
}
require'lspconfig'.omnisharp.setup {
  root_dir = function(file, _)
    if file:sub(-#".csx") == ".csx" then
      return util.path.dirname(file)
    end
    return util.root_pattern("*.sln")(file) or util.root_pattern("*.csproj")(file)
  end,
  capabilities = require('cmp_nvim_lsp').update_capabilities(vim.lsp.protocol.make_client_capabilities()),
  on_attach = function(_, bufnr)
    vim.api.nvim_buf_set_option(bufnr, 'omnifunc', 'v:lua.vim.lsp.omnifunc')
  end,
  cmd = { "/home/rudism/.local/share/omnisharp/OmniSharp", "--languageserver" , "--hostPID", tostring(pid) },
}
require'lspconfig'.tsserver.setup {
  capabilities = require('cmp_nvim_lsp').update_capabilities(vim.lsp.protocol.make_client_capabilities()),
  on_attach = function(_, bufnr)
    vim.api.nvim_buf_set_option(bufnr, 'omnifunc', 'v:lua.vim.lsp.omnifunc')
  end,
  --cmd = { 'npx', 'typescript-language-server', '--stdio' },
}
require'lspconfig'.yamlls.setup {
  capabilities = require('cmp_nvim_lsp').update_capabilities(vim.lsp.protocol.make_client_capabilities()),
  on_attach = function(_, bufnr)
    vim.api.nvim_buf_set_option(bufnr, 'omnifunc', 'v:lua.vim.lsp.omnifunc')
  end,
}
require'lspconfig'.ccls.setup {
  capabilities = require('cmp_nvim_lsp').update_capabilities(vim.lsp.protocol.make_client_capabilities()),
  on_attach = function(_, bufnr)
    vim.api.nvim_buf_set_option(bufnr, 'omnifunc', 'v:lua.vim.lsp.omnifunc')
  end,
}
local runtime_path = vim.split(package.path, ';')
table.insert(runtime_path, "lua/?.lua")
table.insert(runtime_path, "lua/?/init.lua")
require'lspconfig'.sumneko_lua.setup {
  capabilities = require('cmp_nvim_lsp').update_capabilities(vim.lsp.protocol.make_client_capabilities()),
  on_attach = function(_, bufnr)
    vim.api.nvim_buf_set_option(bufnr, 'omnifunc', 'v:lua.vim.lsp.omnifunc')
  end,
  cmd = { "lua-language-server", "-E" },
  settings = {
    Lua = {
      runtime = {
        version = 'LuaJIT',
        path = runtime_path,
      },
      diagnostics = {
        globals = {'vim', 'use'},
      },
      workspace = {
        library = vim.api.nvim_get_runtime_file("", true),
      },
      telemetry = {
        enable = false,
      },
    },
  }
}
require'lspconfig'.perlpls.setup {
  capabilities = require('cmp_nvim_lsp').update_capabilities(vim.lsp.protocol.make_client_capabilities()),
  on_attach = function(_, bufnr)
    vim.api.nvim_buf_set_option(bufnr, 'omnifunc', 'v:lua.vim.lsp.omnifunc')
  end,
  settings = {
    perl = {
      perlcritic = {
        enabled = false
      },
      syntax = {
        enabled = true
      }
    }
  }
}
require'lspconfig'.efm.setup {
  capabilities = require('cmp_nvim_lsp').update_capabilities(vim.lsp.protocol.make_client_capabilities()),
  on_attach = function(_, bufnr)
    vim.api.nvim_buf_set_option(bufnr, 'omnifunc', 'v:lua.vim.lsp.omnifunc')
  end,
  filetypes = {"sh", "markdown"},
  settings = {
    languages = {
      sh = {{
        lintCommand = "shellcheck -f gcc -x",
        lintSource = "shellcheck",
        lintFormats = { "%f:%l:%c: %trror: %m", "%f:%l:%c: %tarning: %m", "%f:%l:%c: %tote: %m" },
        lintIgnoreExitCode = true
      }},
      markdown = {{
        lintCommand = "write-good --parse",
        lintSource = "write-good",
        lintFormats = { "%f:%l:%c:%m" },
      }},
    }
  }
}
require'lspconfig'.pyright.setup {
  capabilities = require('cmp_nvim_lsp').update_capabilities(vim.lsp.protocol.make_client_capabilities()),
  on_attach = function(_, bufnr)
    vim.api.nvim_buf_set_option(bufnr, 'omnifunc', 'v:lua.vim.lsp.omnifunc')
  end,
}


-- status line setup
require'lualine'.setup {
  options = {
    theme = 'wombat',
    component_separators = { left = '', right = '' },
    section_separators = { left = '', right = '' },
  },
  sections = {
    lualine_a = {'mode'},
    lualine_b = {'branch'},
    lualine_c = {{
      'filename',
      symbols = {
        modified = '✎ ',
        readonly = '🔒 ',
        unnamed = '[No Name]'
      }
    }},
    lualine_x = {{
      "diagnostics",
      sources = {"nvim_lsp"},
      icons_enabled = false
    }},
    lualine_y = {'progress'},
    lualine_z = {'location'},
  }
}

-- zen mode setup
local true_zen = require('true-zen')
true_zen.setup {
  modes = {
    ataraxis = {
      custom_bg = { "solid", "#141414" },
      ideal_writing_area_width = { 90, 150, "max" },
      affected_higroups = {},
    },
  },
  integrations = {
    tmux = true,
    gitsigns = true,
    lualine = true,
  },
}
true_zen.before_mode_ataraxis_on = function ()
  vim.cmd("set nolist")
  vim.cmd("set nocursorline")
  vim.cmd("set spell")
  vim.cmd("set lbr")
  vim.cmd("hi Normal guibg=#141414")
  vim.cmd("hi StatusLine guibg=#141414 guifg=#141414")
  vim.cmd("hi StatusLineNC guibg=#141414 guifg=#141414")
  local opts = { noremap = true, silent = true }
  vim.api.nvim_set_keymap("", "k", "gk", opts)
  vim.api.nvim_set_keymap("", "j", "gj", opts)
  vim.api.nvim_set_keymap("", "<Up>", "gk", opts)
  vim.api.nvim_set_keymap("", "<Down>", "gj", opts)
end
true_zen.after_mode_ataraxis_off = function ()
  vim.cmd("set list")
  vim.cmd("set cursorline")
  vim.cmd("set nospell")
  vim.cmd("set nolbr")
  vim.cmd("hi Normal guibg=#242424")
  vim.cmd("hi StatusLine guifg=NONE guibg=NONE")
  vim.cmd("hi StatusLineNC guifg=NONE guibg=NONE")
  vim.api.nvim_del_keymap("", "k")
  vim.api.nvim_del_keymap("", "j")
  vim.api.nvim_del_keymap("", "<Up>")
  vim.api.nvim_del_keymap("", "<Down>")
end