-- load standard vis module, providing parts of the Lua API
require('vis')

require('plugins/vis-open-extend')
require('plugins/filetype')
require('plugins/textobject-lexer')
local cursors = require('plugins/vis-cursors')
cursors.cursors_path = string.format('%s/vis/cursors',
  os.getenv('XDG_DATA_HOME') or
  os.getenv('HOME') .. "/.local/share")

local spellcheck = require('plugins/vis-spellcheck')
spellcheck.list_cmd = 'hunspell -l -d %s'
spellcheck.cmd = 'hunspell -d %s'

local commentary = require('plugins/vis-commentary')
commentary.comments_repl['slides'] = commentary.comments_repl.markdown
commentary()

require('plugins/vis-ctags')
-- This hooks vis.events.START so its fine to load it before the default settings
require('plugins/vis-modelines/vis-modelines')
local lspc = require('plugins/vis-lspc')
if next(lspc) then
  lspc.logging = true
  lspc.message_level = 2

  lspc.ls_map.latex = { name = 'latex', cmd = 'texlab' }
  lspc.ls_map.html = { name = 'html', cmd = 'vscode-html-languageserver --stdio' }
  lspc.ls_map.typescript = { name = 'typescript', cmd = 'typescript-language-server --stdio' }
  lspc.ls_map.java = { name = 'java', cmd = 'jdtls' }
  lspc.ls_map.ltex = {
    name = 'ltex',
    cmd = 'ltex-ls-plus --no-endless',
  }
  lspc.ls_map.harper = {
    name = 'harper',
    cmd = 'harper-ls --stdio',
  }
  lspc.ls_map.python = {
          name = 'python-lsp-server',
          cmd = 'pylsp',
          settings = {
            pylsp = {
              plugins = {
                autopep8 = { enabled = false },
                pycodestyle = { enabled = false },
                pyflakes = { enabled = false },
                rope_completion = { enabled = true, eager = true },
                rope_rename = { enabled = true },
                pylsp_rope = { enabled = true },
                pylint = { enabled = true },
              },
            },
          },
      }
  lspc.ls_map.php = { name = 'php', cmd = 'phpactor language-server', roots={'.git'}}

  vis.events.subscribe(lspc.events.LS_DID_OPEN, function(ls, file)
    if ls.name == 'ltex' then
      if not ls.settings then ls.settings = {} end
      if not ls.settings.ltex then ls.settings.ltex = {} end
      if file.spelling_language then
        ls.settings.ltex.language = file.spelling_language:gsub('_', '-') or 'en-US'
      end
    end
  end)

  vis:map(vis.modes.VISUAL, ' rn', function()
    vis:feedkeys(":lspc-rename ")
  end, 'lspc: rename current symbol')

  vis:map(vis.modes.NORMAL, ' n', function()
    vis:command('lspc-next-diagnostic')
    end, 'lspc: jump to next diagnostic')

  vis:map(vis.modes.NORMAL, ' N', function()
    vis:command('lspc-prev-diagnostic')
    end, 'lspc: jump to prev diagnostic')
end

local lockfiles = require('plugins/vis-lockfiles')
lockfiles.change_file_on_abort = true

require('plugins/vis-snippets')
vis:map(vis.modes.NORMAL, "<C-s>", function()
	vis:command('snippet')
end)

local build = require('plugins/vis-build')
build.get_default_build_cmd = function()
  if os.getenv('PWD'):match('Unterricht') then
    return "lesson-make"
  end
  return "make"
end

local fzf_open = require('plugins/vis-fzf-open')
fzf_open.fzf_path = "FZF_DEFAULT_COMMAND='rg --hidden -g !.git -l \"\"' fzf"

vis:map(vis.modes.NORMAL, ";o", function()
  vis:command('fzf')
end)

require('plugins/suw')

local theme = "theme"
vis.events.subscribe(vis.events.INIT, function()
  -- Your global configuration options
  vis:command("set theme " .. theme)
end)

local inotify = require('plugins/vis-inotify')
if inotify.add_recreate_watch then
  inotify.add_recreate_watch('/home/muhq/.config/vis/themes/theme.lua', function(_)
    vis:command("set theme " .. theme) -- reload vis theme
  end, '-P')
end

-- seperate default settings into per file and per window to not override settings from
-- vis-editorconf which are set on FILE_OPEN
-- default file settings
vis.events.subscribe(vis.events.FILE_OPEN, function()
  vis.options.autoindent = true
end)

-- default window settings
vis.events.subscribe(vis.events.WIN_OPEN, function(win)
  local tabwidth = 4
  win.options.tabwidth = tabwidth
  win.options.numbers = true
  win.options.showtabs = true
  win.options.colorcolumn = 80
  if win.file.name then
    if win.file.name:find("COMMIT_EDITMSG") then
      win.options.colorcolumn = 72
      win:set_syntax("diff")
    elseif win.file.name:find('meson.build') and win.syntax ~= 'meson' then
      win:set_syntax('python')
    elseif win.file.name:find('slides.md') then
      win:set_syntax('slides')
    end

    if win.syntax == "python" or win.syntax == "rust" then
      win.options.expandtab = true
      vis:map(vis.modes.INSERT, '<Backspace>', function()
        local found_tab = true
        for selection in vis.win:selections_iterator() do
          local pos = selection.pos
          if not pos or pos < tabwidth or vis.win.file:content(pos - tabwidth, tabwidth) ~= string.rep(' ', tabwidth) then
            found_tab = false
            break
          end
        end
        vis:feedkeys(string.rep('<vis-delete-char-prev>', found_tab and tabwidth or 1))
      end)
    end
  end
end)

-- load plugins that hook FILE_OPEN or WIN_OPEN to change settings after hooks
-- with default settings
if vis:module_exist('editorconfig') then
  require('plugins/vis-editorconfig')
elseif vis:module_exist('plugins/vis-editorconfig-options') then
  require('plugins/vis-editorconfig-options')
else
  vis:info('skip editorconfig plugins: not suitable editorconfig plugin available')
end

vis:map(vis.modes.NORMAL, ";;", "<vis-window-next>")

vis:command_register('ltex', function()
  vis:command('lspc-start-server ltex')
end)

vis:command_register('harper', function()
  vis:command('lspc-start-server harper')
  local open_file_callback
  open_file_callback = function(ls)
    if ls.name == 'harper' then
      vis:command(':lspc-open harper')
      vis.events.unsubscribe(lspc.events.LS_INITIALIZED, open_file_callback)
    end
  end
  vis.events.subscribe(lspc.events.LS_INITIALIZED, open_file_callback)
end)

vis:map(vis.modes.NORMAL, ' x', function()
  vis:message('')
  vis:command(':q')
end)

vis:command_register('faicon', function()
  local win = vis.win
  if not win or not win.file then return end
  local file = win.file
  local icons = {'hands-helping', 'chalkboard-teacher', 'desktop', 'comments', 'lightbulb', 'pencil-alt', 'earlybirds'}
  local choosen = lspc:select(icons)
  if choosen then
    file:insert(win.selection.pos, '\\faIcon{' .. choosen .. '}')
  end
end)

vis:map(vis.modes.NORMAL, 'fa', function()
  vis:command(':faicon')
end)