-- init.lua — migrated from packer.nvim to lazy.nvim
-- NOTE: impatient.nvim is no longer needed on modern Neovim (builtin module caching)

-- =====================
-- Core options & globals
-- =====================
vim.g.mapleader = '\\'
vim.opt.termguicolors = true
vim.g.coq_settings = { ['auto_start'] = 'shut-up'}
vim.g.vimtex_view_general_viewer = 'okular'
vim.g.vimtex_view_general_options = '-unique file:@pdf\\#src:@line@tex'
vim.g.auto_save = 1
vim.opt.number = true
vim.opt.foldmethod = 'indent'
vim.opt.cursorline = true
vim.g.vimtex_fold_enabled = true
vim.g.vimtex_indent_enabled = true
vim.g.vimtex_indent_bib_enabled = true
vim.g.vimtex_quickfix_autoclose_after_keystrokes = 5
vim.cmd [[set termguicolors
set shell=/usr/bin/zsh]]
vim.cmd [[:setlocal spell spelllang=en_us]]
vim.cmd [[let g:auto_save_events = ["InsertLeave", "TextChanged"] ]]
vim.cmd [[let g:startify_custom_header = [] ]]

function _G.set_terminal_keymaps()
  local opts = { buffer = 0 }
  vim.keymap.set('t', '<esc>', [[<C-\><C-n>]], opts)
  vim.keymap.set('t', 'jk', [[<C-\><C-n>]], opts)
  vim.keymap.set('t', '<C-h>', [[<Cmd>wincmd h<CR>]], opts)
  vim.keymap.set('t', '<C-j>', [[<Cmd>wincmd j<CR>]], opts)
  vim.keymap.set('t', '<C-k>', [[<Cmd>wincmd k<CR>]], opts)
  vim.keymap.set('t', '<C-l>', [[<Cmd>wincmd l<CR>]], opts)
end

-- if you only want these mappings for toggle term use term://*toggleterm#* instead
vim.cmd('autocmd! TermOpen term://* lua set_terminal_keymaps()')

local signs = { Error = " ", Warn = " ", Hint = " ", Info = " " }
for type, icon in pairs(signs) do
  local hl = "DiagnosticSign" .. type
  vim.fn.sign_define(hl, { text = icon, texthl = hl, numhl = hl })
end
vim.o.updatetime = 250
vim.cmd [[autocmd CursorHold,CursorHoldI * lua vim.diagnostic.open_float(nil, {focus=false})]]
vim.diagnostic.config({
  virtual_text = { source = "always" },
  float = { source = "always" },
})
vim.diagnostic.config({
  virtual_text = false,
  signs = true,
  underline = true,
  update_in_insert = false,
  severity_sort = false,
})

vim.cmd [[
set guifont=CaskaydiaCove\ Nerd\ Font:h19
set signcolumn=yes
syntax enable
nnoremap <silent> gb :BufferLinePick<CR>
nnoremap <C-p> :Telescope<CR>
" Paste system clipboard with Ctrl + v
inoremap <C-v> <ESC>"+p
vnoremap <C-v> d"+gP<ESC>
cnoremap <C-v> <C-r>+

" Cut to system clipboard with Ctrl + x
vnoremap <C-x> "+d
inoremap <C-x> <ESC>"+ddi

" Copy to system clipboard with Ctr + c
vnoremap <C-c> "+y
nnoremap <C-c> "+yy
inoremap <C-c> <ESC>"+yyi
nnoremap <space> :noh<cr>
nnoremap <C-n> :NvimTreeToggle<CR>
" change directory to current file
nnoremap <leader>cd :cd %:p:h<CR>:pwd<CR>
"  au InsertLeave * lua require('lint').try_lint()
]]

-- vim.cmd [[colorscheme gruvbox8_hard]]
vim.cmd [[set nocompatible]]
vim.cmd [[
  if has('nvim')
    autocmd TabNewEntered * Startify
  else
    autocmd BufWinEnter *
           if !exists('t:startify_new_tab') && empty(expand('%')) && empty(&l:buftype) && &l:modifiable | let t:startify_new_tab = 1 | Startify |
           endif
  endif
]]

vim.api.nvim_create_autocmd({ "BufWritePost" }, {
  callback = function()
    -- require("lint").try_lint()
  end,
})

if vim.g.neovide then
  vim.o.guifont = "CaskaydiaCove Nerd Font:h14"
end

-- LSP default keybindings
local opts = { noremap = true, silent = true }
vim.api.nvim_set_keymap('n', '<space>e', '<cmd>lua vim.diagnostic.open_float()<CR>', opts)
vim.api.nvim_set_keymap('n', '[d', '<cmd>lua vim.diagnostic.goto_prev()<CR>', opts)
vim.api.nvim_set_keymap('n', ']d', '<cmd>lua vim.diagnostic.goto_next()<CR>', opts)
vim.api.nvim_set_keymap('n', '<space>q', '<cmd>lua vim.diagnostic.setloclist()<CR>', opts)

local on_attach = function(client, bufnr)
  vim.api.nvim_buf_set_option(bufnr, 'omnifunc', 'v:lua.vim.lsp.omnifunc')
  vim.api.nvim_buf_set_keymap(bufnr, 'n', 'gD', '<cmd>lua vim.lsp.buf.declaration()<CR>', opts)
  vim.api.nvim_buf_set_keymap(bufnr, 'n', 'gd', '<cmd>lua vim.lsp.buf.definition()<CR>', opts)
  vim.api.nvim_buf_set_keymap(bufnr, 'n', 'K', '<cmd>lua vim.lsp.buf.hover()<CR>', opts)
  vim.api.nvim_buf_set_keymap(bufnr, 'n', 'gi', '<cmd>lua vim.lsp.buf.implementation()<CR>', opts)
  vim.api.nvim_buf_set_keymap(bufnr, 'n', '<C-k>', '<cmd>lua vim.lsp.buf.signature_help()<CR>', opts)
  vim.api.nvim_buf_set_keymap(bufnr, 'n', '<space>wa', '<cmd>lua vim.lsp.buf.add_workspace_folder()<CR>', opts)
  vim.api.nvim_buf_set_keymap(bufnr, 'n', '<space>wr', '<cmd>lua vim.lsp.buf.remove_workspace_folder()<CR>', opts)
  vim.api.nvim_buf_set_keymap(bufnr, 'n', '<space>wl', '<cmd>lua print(vim.inspect(vim.lsp.buf.list_workspace_folders()))<CR>', opts)
  vim.api.nvim_buf_set_keymap(bufnr, 'n', '<space>D', '<cmd>lua vim.lsp.buf.type_definition()<CR>', opts)
  vim.api.nvim_buf_set_keymap(bufnr, 'n', '<space>rn', '<cmd>lua vim.lsp.buf.rename()<CR>', opts)
  vim.api.nvim_buf_set_keymap(bufnr, 'n', '<space>ca', '<cmd>lua vim.lsp.buf.code_action()<CR>', opts)
  vim.api.nvim_buf_set_keymap(bufnr, 'n', 'gr', '<cmd>lua vim.lsp.buf.references()<CR>', opts)
  vim.api.nvim_buf_set_keymap(bufnr, 'n', '<localleader>f', '<cmd>lua vim.lsp.buf.formatting()<CR>', opts)
  vim.api.nvim_buf_set_keymap(bufnr, 'n', 'gf', vim.lsp.buf.format, opts)
end

vim.fn.sign_define('DapBreakpoint',{ text ='🟥', texthl ='', linehl ='', numhl =''})
vim.fn.sign_define('DapStopped',{ text ='▶️', texthl ='', linehl ='', numhl =''})

-- =====================
-- lazy.nvim bootstrap
-- =====================
local lazypath = vim.fn.stdpath("data") .. "/lazy/lazy.nvim"
if not vim.loop.fs_stat(lazypath) then
  vim.fn.system({
    "git", "clone", "--filter=blob:none",
    "https://github.com/folke/lazy.nvim.git",
    "--branch=stable", -- latest stable release
    lazypath,
  })
end
vim.opt.rtp:prepend(lazypath)

-- =====================
-- Plugins (lazy.nvim)
-- =====================
require('lazy').setup({
  -- Icons (used by multiple plugins)
  { 'nvim-tree/nvim-web-devicons', lazy = true },

  -- Statusline

  -- Bufferline
  {
    'akinsho/bufferline.nvim',
    dependencies = { 'nvim-tree/nvim-web-devicons' },
    config = function()
      require('bufferline').setup({
        options = {
          always_show_bufferline = true,
          separator_style = 'thin',
          show_close_icon = false,
          numbers = 'buffer_id',
          enforce_regular_tabs = true,
          offsets = { { filetype = 'NvimTree', text = 'File Explorer', highlight = 'Directory' } },
        },
      })
    end,
  },

  -- Start screen
  { 'mhinz/vim-startify' },

  -- File explorer
  {
    'nvim-tree/nvim-tree.lua',
    dependencies = { 'nvim-tree/nvim-web-devicons' },
    config = function()
      require('nvim-tree').setup({})
    end,
  },

  -- Treesitter
  -- { 'nvim-treesitter/nvim-treesitter', build = ':TSUpdate' },

  -- Orgmode
  {
    'nvim-orgmode/orgmode',
    config = function()
      require('orgmode').setup({
        org_agenda_files = '~/org/*'
      })
    end,
  },

  -- Org bullets
  {
    'akinsho/org-bullets.nvim',
    config = function()
      require('org-bullets').setup({
        checkboxes = {
          half = { '', 'OrgTSCheckboxHalfChecked' },
          done = { '✓', 'OrgDone' },
          todo = { 'x', 'OrgTODO' },
        },
      })
    end,
  },

  -- Auto save
  { '907th/vim-auto-save' },

  -- Telescope
  {
    'nvim-telescope/telescope.nvim',
    dependencies = { 'nvim-lua/plenary.nvim' },
  },

  -- VimTeX
  { 'lervag/vimtex' },

  -- ALE (linting)
  -- { 'dense-analysis/ale', event = 'InsertEnter' },

  -- Pretty start screen (alpha)
--  {
--    'goolord/alpha-nvim',
--    dependencies = { 'nvim-tree/nvim-web-devicons' },
--    config = function()
--      require('alpha').setup(require('alpha.themes.startify').opts)
--    end,
--  },

  -- nvim-lint
--  {
--    'mfussenegger/nvim-lint',
--    event = { 'BufReadPost', 'BufNewFile' },
--    config = function()
--      require('lint').linters_by_ft = {
--        tex = { 'proselint', 'vale' },
--        text = { 'proselint', 'vale' },
--      }
--    end,
--  },

  -- Colorscheme (load early)
  {
    'lifepillar/vim-gruvbox8',
    commit = '75614aff9669abd7f8b0aae58fdfbaddfebee1e0',
    lazy = false,
    priority = 1000,
    init = function()
      vim.g.gruvbox_contrast_dark = 'hard'
    end,
    config = function()
      vim.cmd([[colorscheme gruvbox8_hard]])
    end,
  },

  -- Surround
  {
    'ur4ltz/surround.nvim',
    config = function()
      require('surround').setup({
        context_offset = 100,
        load_autogroups = false,
        mappings_style = 'sandwich',
        map_insert_mode = true,
        quotes = { "'", '"' },
        brackets = { '{', '[' },
        space_on_closing_char = false,
        pairs = {
          nestable = { b = { '(', ')' }, s = { '[', ']' }, B = { '{', '}' }, a = { '<', '>' } },
          linear = { q = { "'", "'" }, t = { '`', '`' }, d = { '"', '"' } },
        },
        prefix = 's',
      })
    end,
  },

  -- Toggleterm
  {
    'akinsho/toggleterm.nvim',
    version = '*',
    config = function()
      require('toggleterm').setup({
        insert_mapping = false,
        open_mapping = [[<leader>term]],
        autochdir = true,
      })
    end,
  },
})