vim.g.mapleader = ' '
vim.g.maplocalleader = ' '

vim.g.have_nerd_font = false

vim.o.number = true
vim.o.expandtab = true
vim.o.tabstop = 4
vim.o.shiftwidth = 4
vim.o.softtabstop = 4
vim.opt.relativenumber = true

vim.diagnostic.config {
  virtual_text = true, -- shows inline
  signs = true, -- shows signs in gutter
  update_in_insert = false,
}

vim.o.mouse = 'a'

vim.o.showmode = false

vim.schedule(function()
  vim.o.clipboard = 'unnamedplus'
end)

vim.o.breakindent = true

vim.o.undofile = true

vim.o.ignorecase = true
vim.o.smartcase = true

vim.o.signcolumn = 'yes'

vim.o.updatetime = 250

vim.o.timeoutlen = 300

vim.o.splitright = true
vim.o.splitbelow = true

vim.o.list = true
vim.opt.listchars = { tab = '» ', trail = '·', nbsp = '␣' }

vim.o.inccommand = 'split'

vim.o.cursorline = true

vim.o.scrolloff = 10

vim.o.confirm = true

vim.keymap.set('n', '<Esc>', '<cmd>nohlsearch<CR>')

vim.keymap.set('n', '<leader>q', vim.diagnostic.setloclist, { desc = 'Open diagnostic [Q]uickfix list' })

vim.keymap.set('t', '<Esc><Esc>', '<C-\\><C-n>', { desc = 'Exit terminal mode' })
vim.keymap.set('n', '<C-h>', '<C-w><C-h>', { desc = 'Move focus to the left window' })
vim.keymap.set('n', '<C-l>', '<C-w><C-l>', { desc = 'Move focus to the right window' })
vim.keymap.set('n', '<C-j>', '<C-w><C-j>', { desc = 'Move focus to the lower window' })
vim.keymap.set('n', '<C-k>', '<C-w><C-k>', { desc = 'Move focus to the upper window' })

vim.api.nvim_create_autocmd('TextYankPost', {
  desc = 'Highlight when yanking (copying) text',
  group = vim.api.nvim_create_augroup('kickstart-highlight-yank', { clear = true }),
  callback = function()
    vim.hl.on_yank()
  end,
})

local lazypath = vim.fn.stdpath 'data' .. '/lazy/lazy.nvim'
if not (vim.uv or vim.loop).fs_stat(lazypath) then
  local lazyrepo = 'https://github.com/folke/lazy.nvim.git'
  local out = vim.fn.system { 'git', 'clone', '--filter=blob:none', '--branch=stable', lazyrepo, lazypath }
  if vim.v.shell_error ~= 0 then
    error('Error cloning lazy.nvim:\n' .. out)
  end
end

---@type vim.Option
local rtp = vim.opt.rtp
rtp:prepend(lazypath)

require('lazy').setup({
  'NMAC427/guess-indent.nvim', -- Detect tabstop and shiftwidth automatically
  {
    'lewis6991/gitsigns.nvim',
    opts = {
      signs = {
        add = { text = '+' },
        change = { text = '~' },
        delete = { text = '_' },
        topdelete = { text = '‾' },
        changedelete = { text = '~' },
      },
    },
  },

  {
    'folke/which-key.nvim',
    event = 'VimEnter',
    opts = {
      delay = 0,
      icons = {
        mappings = vim.g.have_nerd_font,
        keys = vim.g.have_nerd_font and {} or {
          Up = '<Up> ',
          Down = '<Down> ',
          Left = '<Left> ',
          Right = '<Right> ',
          C = '<C-…> ',
          M = '<M-…> ',
          D = '<D-…> ',
          S = '<S-…> ',
          CR = '<CR> ',
          Esc = '<Esc> ',
          ScrollWheelDown = '<ScrollWheelDown> ',
          ScrollWheelUp = '<ScrollWheelUp> ',
          NL = '<NL> ',
          BS = '<BS> ',
          Space = '<Space> ',
          Tab = '<Tab> ',
          F1 = '<F1>',
          F2 = '<F2>',
          F3 = '<F3>',
          F4 = '<F4>',
          F5 = '<F5>',
          F6 = '<F6>',
          F7 = '<F7>',
          F8 = '<F8>',
          F9 = '<F9>',
          F10 = '<F10>',
          F11 = '<F11>',
          F12 = '<F12>',
        },
      },

      spec = {
        { '<leader>s', group = '[S]earch' },
        { '<leader>t', group = '[T]oggle' },
        { '<leader>h', group = 'Git [H]unk', mode = { 'n', 'v' } },
      },
    },
  },
  {
    'nvim-telescope/telescope.nvim',
    event = 'VimEnter',
    dependencies = {
      'nvim-lua/plenary.nvim',
      {
        'nvim-telescope/telescope-fzf-native.nvim',

        build = 'make',

        cond = function()
          return vim.fn.executable 'make' == 1
        end,
      },
      { 'nvim-telescope/telescope-ui-select.nvim' },

      { 'nvim-tree/nvim-web-devicons', enabled = vim.g.have_nerd_font },
    },
    config = function()
      require('telescope').setup {
        extensions = {
          ['ui-select'] = {
            require('telescope.themes').get_dropdown(),
          },
        },
      }

      pcall(require('telescope').load_extension, 'fzf')
      pcall(require('telescope').load_extension, 'ui-select')

      local builtin = require 'telescope.builtin'
      vim.keymap.set('n', '<leader>sh', builtin.help_tags, { desc = '[S]earch [H]elp' })
      vim.keymap.set('n', '<leader>sk', builtin.keymaps, { desc = '[S]earch [K]eymaps' })
      vim.keymap.set('n', '<leader>sf', builtin.find_files, { desc = '[S]earch [F]iles' })
      vim.keymap.set('n', '<leader>ss', builtin.builtin, { desc = '[S]earch [S]elect Telescope' })
      vim.keymap.set('n', '<leader>sw', builtin.grep_string, { desc = '[S]earch current [W]ord' })
      vim.keymap.set('n', '<leader>sg', builtin.live_grep, { desc = '[S]earch by [G]rep' })
      vim.keymap.set('n', '<leader>sd', builtin.diagnostics, { desc = '[S]earch [D]iagnostics' })
      vim.keymap.set('n', '<leader>sr', builtin.resume, { desc = '[S]earch [R]esume' })
      vim.keymap.set('n', '<leader>s.', builtin.oldfiles, { desc = '[S]earch Recent Files ("." for repeat)' })
      vim.keymap.set('n', '<leader><leader>', builtin.buffers, { desc = '[ ] Find existing buffers' })

      vim.keymap.set('n', '<leader>gf', require('telescope.builtin').git_status, { desc = 'Git changed files' })

      vim.keymap.set('n', '<leader>ws', '<C-w>s', { desc = '[W]indow Split Horizontal' })
      vim.keymap.set('n', '<leader>wv', '<C-w>v', { desc = '[W]indow Split Vertical' })
      vim.keymap.set('n', '<leader>wh', '<C-w>h', { desc = '[W]indow Left' })
      vim.keymap.set('n', '<leader>wj', '<C-w>j', { desc = '[W]indow Down' })
      vim.keymap.set('n', '<leader>wk', '<C-w>k', { desc = '[W]indow Up' })
      vim.keymap.set('n', '<leader>wl', '<C-w>l', { desc = '[W]indow Right' })
      vim.keymap.set('n', '<leader>wq', '<C-w>q', { desc = '[W]indow Quit' })
      vim.keymap.set('n', '<leader>w=', '<C-w>=', { desc = '[W]indow Equalize' })
      vim.keymap.set('n', '<leader>e', ':Neotree toggle<CR>', { desc = 'Toggle Neotree' })

      vim.keymap.set('n', '<leader>/', function()
        builtin.current_buffer_fuzzy_find(require('telescope.themes').get_dropdown {
          winblend = 10,
          previewer = false,
        })
      end, { desc = '[/] Fuzzily search in current buffer' })

      vim.keymap.set('n', '<leader>s/', function()
        builtin.live_grep {
          grep_open_files = true,
          prompt_title = 'Live Grep in Open Files',
        }
      end, { desc = '[S]earch [/] in Open Files' })

      -- Shortcut for searching your Neovim configuration files
      vim.keymap.set('n', '<leader>sn', function()
        builtin.find_files { cwd = vim.fn.stdpath 'config' }
      end, { desc = '[S]earch [N]eovim files' })
    end,
  },

  {
    'folke/lazydev.nvim',
    ft = 'lua',
    opts = {
      library = {
        { path = '${3rd}/luv/library', words = { 'vim%.uv' } },
      },
    },
  },
  {
    'neovim/nvim-lspconfig',
    dependencies = {
      { 'mason-org/mason.nvim', opts = {} },
      'mason-org/mason-lspconfig.nvim',
      'WhoIsSethDaniel/mason-tool-installer.nvim',

      { 'j-hui/fidget.nvim', opts = {} },

      'saghen/blink.cmp',
    },
    config = function()
      vim.api.nvim_create_autocmd('LspAttach', {
        group = vim.api.nvim_create_augroup('kickstart-lsp-attach', { clear = true }),
        callback = function(event)
          local map = function(keys, func, desc, mode)
            mode = mode or 'n'
            vim.keymap.set(mode, keys, func, { buffer = event.buf, desc = 'LSP: ' .. desc })
          end
          map('grn', vim.lsp.buf.rename, '[R]e[n]ame')

          map('gra', vim.lsp.buf.code_action, '[G]oto Code [A]ction', { 'n', 'x' })

          map('grr', require('telescope.builtin').lsp_references, '[G]oto [R]eferences')

          map('gri', require('telescope.builtin').lsp_implementations, '[G]oto [I]mplementation')

          map('grd', require('telescope.builtin').lsp_definitions, '[G]oto [D]efinition')

          map('grD', vim.lsp.buf.declaration, '[G]oto [D]eclaration')

          map('gO', require('telescope.builtin').lsp_document_symbols, 'Open Document Symbols')

          map('gW', require('telescope.builtin').lsp_dynamic_workspace_symbols, 'Open Workspace Symbols')

          map('grt', require('telescope.builtin').lsp_type_definitions, '[G]oto [T]ype Definition')

          ---@param client vim.lsp.Client
          ---@param method vim.lsp.protocol.Method
          ---@param bufnr? integer some lsp support methods only in specific files
          ---@return boolean
          local function client_supports_method(client, method, bufnr)
            if vim.fn.has 'nvim-0.11' == 1 then
              return client:supports_method(method, bufnr)
            else
              return client.supports_method(method, { bufnr = bufnr })
            end
          end

          local client = vim.lsp.get_client_by_id(event.data.client_id)
          if client and client_supports_method(client, vim.lsp.protocol.Methods.textDocument_documentHighlight, event.buf) then
            local highlight_augroup = vim.api.nvim_create_augroup('kickstart-lsp-highlight', { clear = false })
            vim.api.nvim_create_autocmd({ 'CursorHold', 'CursorHoldI' }, {
              buffer = event.buf,
              group = highlight_augroup,
              callback = vim.lsp.buf.document_highlight,
            })

            vim.api.nvim_create_autocmd('BufWritePre', {
              pattern = '*.go',
              callback = function()
                vim.cmd 'silent! !gofmt -w %'
              end,
            })
            vim.api.nvim_create_autocmd({ 'CursorMoved', 'CursorMovedI' }, {
              buffer = event.buf,
              group = highlight_augroup,
              callback = vim.lsp.buf.clear_references,
            })

            vim.api.nvim_create_autocmd('CursorHold', {
              callback = function()
                vim.diagnostic.open_float(nil, { focusable = false })
              end,
            })

            vim.api.nvim_create_autocmd('LspDetach', {
              group = vim.api.nvim_create_augroup('kickstart-lsp-detach', { clear = true }),
              callback = function(event2)
                vim.lsp.buf.clear_references()
                vim.api.nvim_clear_autocmds { group = 'kickstart-lsp-highlight', buffer = event2.buf }
              end,
            })
          end

          if client and client_supports_method(client, vim.lsp.protocol.Methods.textDocument_inlayHint, event.buf) then
            map('<leader>th', function()
              vim.lsp.inlay_hint.enable(not vim.lsp.inlay_hint.is_enabled { bufnr = event.buf })
            end, '[T]oggle Inlay [H]ints')
          end
        end,
      })

      vim.diagnostic.config {
        severity_sort = true,
        float = { border = 'rounded', source = 'if_many' },
        underline = { severity = vim.diagnostic.severity.ERROR },
        signs = vim.g.have_nerd_font and {
          text = {
            [vim.diagnostic.severity.ERROR] = '󰅚 ',
            [vim.diagnostic.severity.WARN] = '󰀪 ',
            [vim.diagnostic.severity.INFO] = '󰋽 ',
            [vim.diagnostic.severity.HINT] = '󰌶 ',
          },
        } or {},
        virtual_text = {
          source = 'if_many',
          spacing = 2,
          format = function(diagnostic)
            local diagnostic_message = {
              [vim.diagnostic.severity.ERROR] = diagnostic.message,
              [vim.diagnostic.severity.WARN] = diagnostic.message,
              [vim.diagnostic.severity.INFO] = diagnostic.message,
              [vim.diagnostic.severity.HINT] = diagnostic.message,
            }
            return diagnostic_message[diagnostic.severity]
          end,
        },
      }
      local capabilities = require('blink.cmp').get_lsp_capabilities()
      local servers = {
        lua_ls = {
          settings = {
            Lua = {
              completion = {
                callSnippet = 'Replace',
              },
            },
          },
        },
      }
      local ensure_installed = vim.tbl_keys(servers or {})
      vim.list_extend(ensure_installed, {
        'stylua', -- Used to format Lua code
      })
      require('mason-tool-installer').setup { ensure_installed = ensure_installed }

      require('mason-lspconfig').setup {
        ensure_installed = {
          -- 'typescript-language-server', -- JavaScript/TypeScript
          -- 'eslint', -- optional: linting
        },
        automatic_installation = false,
        handlers = {
          function(server_name)
            local server = servers[server_name] or {}
            server.capabilities = vim.tbl_deep_extend('force', {}, capabilities, server.capabilities or {})
            require('lspconfig')[server_name].setup(server)
          end,
        },
      }
    end,
  },

  { -- Autoformat
    'stevearc/conform.nvim',
    event = { 'BufWritePre' },
    cmd = { 'ConformInfo' },
    keys = {
      {
        '<leader>f',
        function()
          require('conform').format { async = true, lsp_format = 'fallback' }
        end,
        mode = '',
        desc = '[F]ormat buffer',
      },
    },
    opts = {
      notify_on_error = false,
      format_on_save = function(bufnr)
        local disable_filetypes = { c = true, cpp = true }
        if disable_filetypes[vim.bo[bufnr].filetype] then
          return nil
        else
          return {
            timeout_ms = 500,
            lsp_format = 'fallback',
          }
        end
      end,
      formatters_by_ft = {
        lua = { 'stylua' },
      },
    },
  },

  { -- Autocompletion
    'saghen/blink.cmp',
    event = 'VimEnter',
    version = '1.*',
    dependencies = {
      -- Snippet Engine
      {
        'L3MON4D3/LuaSnip',
        version = '2.*',
        build = (function()
          if vim.fn.has 'win32' == 1 or vim.fn.executable 'make' == 0 then
            return
          end
          return 'make install_jsregexp'
        end)(),
        dependencies = {},
        opts = {},
      },
      'folke/lazydev.nvim',
    },
    --- @module 'blink.cmp'
    --- @type blink.cmp.Config
    opts = {
      keymap = {
        preset = 'default',
      },

      appearance = {
        nerd_font_variant = 'mono',
      },

      completion = {
        documentation = { auto_show = false, auto_show_delay_ms = 500 },
      },

      sources = {
        default = { 'lsp', 'path', 'snippets', 'lazydev' },
        providers = {
          lazydev = { module = 'lazydev.integrations.blink', score_offset = 100 },
        },
      },

      snippets = { preset = 'luasnip' },
      fuzzy = { implementation = 'lua' },

      signature = { enabled = true },
    },
  },

  {
    'thesimonho/kanagawa-paper.nvim',
    priority = 1000, -- Make sure to load this before all the other start plugins.
    config = function()
      ---@diagnostic disable-next-line: missing-fields
      require('kanagawa-paper').setup {
        styles = {
          comments = { italic = false }, -- Disable italics in comments
        },
      }

      vim.cmd.colorscheme 'kanagawa-paper'

      vim.api.nvim_set_hl(0, 'Normal', { bg = 'none' })
      vim.api.nvim_set_hl(0, 'NormalNC', { bg = 'none' })
      vim.api.nvim_set_hl(0, 'NormalFloat', { bg = 'none' })
      vim.api.nvim_set_hl(0, 'FloatBorder', { bg = 'none' })
      vim.api.nvim_set_hl(0, 'SignColumn', { bg = 'none' })
      vim.api.nvim_set_hl(0, 'VertSplit', { bg = 'none' })
    end,
  },

  -- Highlight todo, notes, etc in comments
  { 'folke/todo-comments.nvim', event = 'VimEnter', dependencies = { 'nvim-lua/plenary.nvim' }, opts = { signs = false } },

  { -- Collection of various small independent plugins/modules
    'echasnovski/mini.nvim',
    config = function()
      require('mini.ai').setup { n_lines = 500 }

      require('mini.surround').setup()
      local statusline = require 'mini.statusline'
      statusline.setup { use_icons = vim.g.have_nerd_font }

      ---@diagnostic disable-next-line: duplicate-set-field
      statusline.section_location = function()
        return '%2l:%-2v'
      end
    end,
  },
  { -- Highlight, edit, and navigate code
    'nvim-treesitter/nvim-treesitter',
    build = ':TSUpdate',
    main = 'nvim-treesitter.configs', -- Sets main module to use for opts
    opts = {
      ensure_installed = { 'bash', 'c', 'diff', 'html', 'lua', 'luadoc', 'markdown', 'markdown_inline', 'query', 'vim', 'vimdoc' },
      auto_install = true,
      highlight = {
        enable = true,
        additional_vim_regex_highlighting = { 'ruby' },
      },
      indent = { enable = true, disable = { 'ruby' } },
    },
  },

  { import = 'custom.plugins' },
}, {
  ui = {
    icons = vim.g.have_nerd_font and {} or {
      cmd = '⌘',
      config = '🛠',
      event = '📅',
      ft = '📂',
      init = '⚙',
      keys = '🗝',
      plugin = '🔌',
      runtime = '💻',
      require = '🌙',
      source = '📄',
      start = '🚀',
      task = '📌',
      lazy = '💤 ',
    },
  },
})