-- DISABLED FOR NOW
-- @diagnostic disable: missing-fields -- disables annoying warnings

-- [[ Options ]]
-- See :help option-list

-- Must happen before plugins are required
vim.g.mapleader = " "
vim.g.maplocalleader = " "

-- For custom functions later
vim.g.have_nerd_font = true

vim.opt.number = true
vim.opt.relativenumber = true

vim.opt.colorcolumn = "80"

-- Only mouse in [h]elp windows
vim.opt.mouse = "h"

-- statusline already shows mode
vim.opt.showmode = false

-- Copy from anywhere
vim.opt.clipboard = "unnamedplus"

-- Visual wrap keeps indentation
vim.opt.breakindent = true

vim.opt.undofile = true

-- Case-insensitive searching UNLESS \C or capital in search
vim.opt.ignorecase = true
vim.opt.smartcase = true

-- Text keeps moving, if not always on
vim.opt.signcolumn = "yes"

vim.opt.updatetime = 250
-- For which-key
vim.opt.timeoutlen = 300

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

-- Preview substitutions live, as you type!
vim.opt.inccommand = "split"

vim.opt.cursorline = true

vim.opt.scrolloff = 10

vim.opt.splitright = true
vim.opt.splitbelow = true

-- wrap between words
vim.o.linebreak = true
vim.o.expandtab = true
vim.o.shiftwidth = 4
vim.o.tabstop = 8
vim.o.softtabstop = 4

-- [[ Basic Keymaps ]]
vim.opt.hlsearch = true
vim.keymap.set("n", "<Esc>", "<cmd>nohlsearch<CR>")

vim.keymap.set({ "n", "v" }, "<Space>", "<Nop>", { silent = true })

-- Remap for dealing with word wrap
vim.keymap.set("n", "k", "v:count == 0 ? 'gk' : 'k'", { expr = true, silent = true })
vim.keymap.set("n", "j", "v:count == 0 ? 'gj' : 'j'", { expr = true, silent = true })
vim.keymap.set("n", "gk", "v:count == 0 ? 'k' : 'k'", { expr = true, silent = true })
vim.keymap.set("n", "gj", "v:count == 0 ? 'j' : 'j'", { expr = true, silent = true })

-- Diagnostic keymaps
vim.keymap.set("n", "[d", vim.diagnostic.goto_prev, { desc = "Go to previous [D]iagnostic message" })
vim.keymap.set("n", "]d", vim.diagnostic.goto_next, { desc = "Go to next [D]iagnostic message" })
vim.keymap.set("n", "<leader>e", vim.diagnostic.open_float, { desc = "Show diagnostic [E]rror messages" })
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" })

-- [[ Basic Autocommands ]]
-- See ':help lua-guide-autocommands'
vim.api.nvim_create_autocmd("TextYankPost", {
  desc = "Highlight when yanking (copying text)",
  group = vim.api.nvim_create_augroup("highlight-yank", { clear = true }),
  callback = function()
    vim.highlight.on_yank()
  end,
})

-- [[ Install lazy.nvim ]]
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.runtimepath:prepend(lazypath)

-- [[ Plugins ]]
require("lazy").setup({

  -- Detect tabstop and shiftwidth automatically
  "tpope/vim-sleuth",

  -- "gc" to comment visual regions/lines
  { "numToStr/Comment.nvim", opts = {} },

  -- Git related plugins
  "tpope/vim-fugitive",
  "tpope/vim-rhubarb",
  {
    "lewis6991/gitsigns.nvim",
    opts = {
      signs = {
        add = { text = "+" },
        change = { text = "~" },
        delete = { text = "_" },
        topdelete = { text = "‾" },
        changedelete = { text = "~" },
      },
    },
  },

  { -- Shows pending keybinds
    "folke/which-key.nvim",
    event = "VimEnter",
    config = function()
      require("which-key").setup()

      -- Document existing key chains
      require("which-key").register {
        -- Naming leader-key-groups
        ["<leader>c"] = { name = "[C]ode", _ = "which_key_ignore" },
        ["<leader>d"] = { name = "[D]ocument", _ = "which_key_ignore" },
        ["<leader>r"] = { name = "[R]ename", _ = "which_key_ignore" },
        ["<leader>s"] = { name = "[S]earch", _ = "which_key_ignore" },
        ["<leader>w"] = { name = "[W]orkspace", _ = "which_key_ignore" },
        ["<leader>o"] = { name = "[O]rgmode", _ = "which_key_ignore" },
      }
    end,
  },

  -- Fuzzy Finder (files, lsp, etc)
  {
    "nvim-telescope/telescope.nvim",
    event = "VimEnter",
    branch = "0.1.x",
    dependencies = {
      { "nvim-lua/plenary.nvim" },
      { -- If encountering errors, see telescope-fzf-native README
        "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 {
        defaults = {
          mappings = {
            i = { ["<c-enter>"] = "to_fuzzy_refine" },
          },
        },
        extensions = {
          ["ui-select"] = {
            require("telescope.themes").get_dropdown(),
          },
        },
      }

      -- Enable telescope fzf native, if installed
      pcall(require("telescope").load_extension, "fzf")
      pcall(require("telescope").load_extension, "ui-select")

      -- See `:help telescope.builtin`
      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>sg", builtin.git_files, { desc = "[S]earch [G]it Files" })
      vim.keymap.set("n", "<leader><leader>", builtin.buffers, { desc = "[ ] Find existing buffers" })
      -- Overriding default behavior and theme
      vim.keymap.set("n", "<leader>/", function()
        -- You can pass additional configuration to telescope to change theme, layout, etc.
        builtin.current_buffer_fuzzy_find(require("telescope.themes").get_dropdown {
          winblend = 10,
          previewer = false,
        })
      end, { desc = "[/] Fuzzily search in current buffer" })

      -- Also possible to pass additional configuration options.
      --  See `:help telescope.builtin.live_grep()` for information about particular keys
      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" })

      vim.keymap.set("n", "<leader>sn", function()
        builtin.find_files { cwd = vim.fn.stdpath "config" }
      end, { desc = "[S]earch [N]eovim files" })
    end,
  },

  { -- LSP Configuration & Plugins
    "neovim/nvim-lspconfig",
    dependencies = {
      -- Automatically install LSPs to stdpath for neovim
      "williamboman/mason.nvim",
      "williamboman/mason-lspconfig.nvim",
      "WhoIsSethDaniel/mason-tool-installer.nvim",

      -- Useful status updates for LSP
      { "j-hui/fidget.nvim", opts = {} },

      -- Lua LSP for Neovim config
      { "folke/neodev.nvim", opts = {} },
    },

    config = function()
      vim.api.nvim_create_autocmd("LspAttach", {
        group = vim.api.nvim_create_augroup("lsp-attach", { clear = true }),
        callback = function(event)
          -- Lua helper function
          local nmap = function(keys, func, desc)
            vim.keymap.set("n", keys, func, { buffer = event.buf, desc = "LSP: " .. desc })
          end

          -- Jump to the definition of the word under your cursor.
          --  This is where a variable was first declared, or where a function is defined, etc.
          --  To jump back, press <C-t>.
          nmap("gd", require("telescope.builtin").lsp_definitions, "[G]oto [D]efinition")

          -- Find references for the word under your cursor.
          nmap("gr", require("telescope.builtin").lsp_references, "[G]oto [R]eferences")

          -- Jump to the implementation of the word under your cursor.
          --  Useful when your language has ways of declaring types without an actual implementation.
          nmap("gI", require("telescope.builtin").lsp_implementations, "[G]oto [I]mplementation")

          -- Jump to the type of the word under your cursor.
          --  Useful when you're not sure what type a variable is and you want to see
          --  the definition of its *type*, not where it was *defined*.
          nmap("<leader>D", require("telescope.builtin").lsp_type_definitions, "Type [D]efinition")

          -- Fuzzy find all the symbols in your current document.
          --  Symbols are things like variables, functions, types, etc.
          nmap("<leader>ds", require("telescope.builtin").lsp_document_symbols, "[D]ocument [S]ymbols")

          -- Fuzzy find all the symbols in your current workspace
          --  Similar to document symbols, except searches over your whole project.
          nmap("<leader>ws", require("telescope.builtin").lsp_dynamic_workspace_symbols, "[W]orkspace [S]ymbols")

          -- Rename the variable under your cursor
          --  Most Language Servers support renaming across files, etc.
          nmap("<leader>rn", vim.lsp.buf.rename, "[R]e[n]ame")

          -- Execute a code action, usually your cursor needs to be on top of an error
          -- or a suggestion from your LSP for this to activate.
          nmap("<leader>ca", vim.lsp.buf.code_action, "[C]ode [A]ction")

          -- Opens a popup that displays documentation about the word under your cursor
          --  See `:help K` for why this keymap
          nmap("K", vim.lsp.buf.hover, "Hover Documentation")

          -- WARN: This is not Goto Definition, this is Goto Declaration.
          --  For example, in C this would take you to the header
          nmap("gD", vim.lsp.buf.declaration, "[G]oto [D]eclaration")

          -- Highlight references of word under cursor
          local client = vim.lsp.get_client_by_id(event.data.client_id)
          if client and client.server_capabilities.documentHighlightProvider then
            vim.api.nvim_create_autocmd({ "CursorHold", "CursorHoldI" }, {
              buffer = event.buf,
              callback = vim.lsp.buf.document_highlight,
            })

            vim.api.nvim_create_autocmd({ "CursorMoved", "CursorMovedI" }, {
              buffer = event.buf,
              callback = vim.lsp.buf.clear_references,
            })
          end
        end,
      })

      --  Broadcast cmp capabilities to servers.
      local capabilities = vim.lsp.protocol.make_client_capabilities()
      capabilities = vim.tbl_deep_extend("force", capabilities, require("cmp_nvim_lsp").default_capabilities())

      --  Available config keys:
      --  - cmd (table): Override the default command used to start the server
      --  - filetypes (table): Override the default list of associated filetypes for the server
      --  - capabilities (table): Override fields in capabilities. Can be used to disable certain LSP features.
      --  - settings (table): Override the default settings passed when initializing the server.
      local servers = {
        lua_ls = {
          -- cmd = {...},
          -- filetypes { ...},
          -- capabilities = {},
          settings = {
            Lua = {
              completion = {
                callSnippet = "Replace",
              },
              -- diagnostics = { disable = { 'missing-fields' } },
            },
          },
        },
      }
      --  Use :Mason to install manually
      require("mason").setup()

      local ensure_installed = vim.tbl_keys(servers or {})
      vim.list_extend(ensure_installed, { "stylua" })
      require("mason-tool-installer").setup { ensure_installed = ensure_installed }

      require("mason-lspconfig").setup {
        handlers = {
          function(server_name)
            local server = servers[server_name] or {}
            -- This handles overriding only values explicitly passed
            -- by the server configuration above. Useful when disabling
            -- certain features of an LSP (for example, turning off formatting for tsserver)
            server.capabilities = vim.tbl_deep_extend("force", {}, capabilities, server.capabilities or {})
            require("lspconfig")[server_name].setup(server)
          end,
        },
      }
    end,
  },

  { -- Autoformat
    "stevearc/conform.nvim",
    opts = {
      notify_on_error = false,
      format_on_save = function(bufnr)
        -- Disable "format_on_save lsp_fallback" for languages that don't
        -- have a well standardized coding style. You can add additional
        -- languages here or re-enable it for the disabled ones.
        local disable_filetypes = { c = true, cpp = true }
        return {
          timeout_ms = 500,
          lsp_fallback = not disable_filetypes[vim.bo[bufnr].filetype],
        }
      end,
      formatters_by_ft = {
        lua = { "stylua" },
        haskell = { "fourmolu" },
        -- Conform can also run multiple formatters sequentially
        -- python = { "isort", "black" },
        --
        -- You can use a sub-list to tell conform to run *until* a formatter is found.
        -- javascript = { { "prettierd", "prettier" } },
      },
    },
  },

  {
    -- Autocompletion
    "hrsh7th/nvim-cmp",
    event = "InsertEnter",
    dependencies = {
      -- Snippet Engine & its associated nvim-cmp source
      {
        "L3MON4D3/LuaSnip",
        -- build needed for regex support
        build = (function()
          if vim.fn.has "win32" == 1 or vim.fn.executable "make" == 0 then
            return
          end
          return "make install_jsregexp"
        end)(),
        dependencies = {
          -- {
          --    -- premade snippets
          --   "rafamadriz/friendly-snippets",
          --   config = function()
          --     require("luasnip.loaders.from_vscode").lazy_load { exclude = { "tex" } }
          --     require("luasnip.loaders.from_snipmate").lazy_load { exclude = { "tex" } }
          --   end,
          -- },
        },
        config = function()
          require("luasnip.loaders.from_snipmate").lazy_load()
        end,
      },
      "saadparwaiz1/cmp_luasnip",

      -- Adds LSP completion capabilities
      "hrsh7th/cmp-nvim-lsp",
      "hrsh7th/cmp-path",
    },
    config = function()
      local cmp = require "cmp"
      local luasnip = require "luasnip"
      luasnip.config.setup { enable_autosnippets = true }

      cmp.setup {
        snippet = {
          expand = function(args)
            luasnip.lsp_expand(args.body)
          end,
        },
        -- old one: completeopt = "menuone,noselect",
        completion = { completeopt = "menu,menuone,noinsert" },
        mapping = cmp.mapping.preset.insert {
          ["<C-n>"] = cmp.mapping.select_next_item(),
          ["<C-p>"] = cmp.mapping.select_prev_item(),
          ["<C-u>"] = cmp.mapping.scroll_docs(-4),
          ["<C-d>"] = cmp.mapping.scroll_docs(4),
          ["<C-b>"] = cmp.mapping.scroll_docs(-8),
          ["<C-f>"] = cmp.mapping.scroll_docs(8),
          -- Accept ([y]es) the completion
          ["<C-y>"] = cmp.mapping.confirm { select = true },
          -- Manually trigger a completion from nvim-cmp (normally not needed)
          ["<C-Space>"] = cmp.mapping.complete {},
          ["<C-l>"] = cmp.mapping(function()
            if luasnip.expand_or_locally_jumpable() then
              luasnip.expand_or_jump()
            end
          end, { "i", "s" }),
          ["<C-h>"] = cmp.mapping(function()
            if luasnip.locally_jumpable(-1) then
              luasnip.jump(-1)
            end
          end, { "i", "s" }),
        },
        sources = {
          { name = "nvim_lsp" },
          { name = "luasnip" },
          { name = "path" },
          { name = "neorg" },
        },
      }
    end,
  },

  {
    "nvim-lualine/lualine.nvim",
    dependencies = {
      { "nvim-tree/nvim-web-devicons", enabled = vim.g.have_nerd_font },
    },
    opts = {
      options = {
        icons_enabled = false,
        theme = "catppuccin",
        component_separators = "|",
        section_separators = "",
      },
      -- lualine layout:
      -- +-------------------------------------------------+
      -- | A | B | C                             X | Y | Z |
      -- +-------------------------------------------------+
      sections = {
        lualine_x = {},
      },
    },
  },

  -- {
  --   -- Add indentation guides even on blank lines
  --   "lukas-reineke/indent-blankline.nvim",
  --   main = "ibl",
  --   opts = {
  --     -- char = "┊",
  --     -- show_trailing_blankline_indent = false,
  --   },
  -- },

  -- 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()
      -- Better Around/Inside textobjects

      -- Examples:
      --  - yinq - [Y]ank [I]nside [N]ext [']quote
      --  - ci'  - [C]hange [I]nside [']quote
      require("mini.ai").setup { n_lines = 500 }

      -- Add/delete/replace surroundings (brackets, quotes, etc.)
      --
      -- - saiw( - [S]urround [A]dd [I]nner [W]ord [)]Paren
      -- - sd'   - [S]urround [D]elete [']quotes
      -- - sr('  - [S]urround [R]eplace [)] [']
      require("mini.surround").setup()

      --  See 'https://github.com/echasnovski/mini.nvim' for more uses
    end,
  },

  {
    -- Highlight, edit, and navigate code
    "nvim-treesitter/nvim-treesitter",
    build = ":TSUpdate",
    dependencies = {
      -- Interact with treesitter textobjects
      "nvim-treesitter/nvim-treesitter-textobjects",
      -- Keeps function description stuck on top
      "nvim-treesitter/nvim-treesitter-context",
    },
    opts = {
      -- Add languages to be installed here that you want installed for treesitter
      ensure_installed = {
        "bash",
        "c",
        "haskell",
        "lua",
        "vim",
        "vimdoc",
        "org",
        "norg",
        "markdown",
      },
      ignore_install = { "latex" },
      auto_install = true,
      indent = { enable = true },
      highlight = {
        enable = true,
        disable = { "latex" },
        additional_vim_regex_highlighting = { "latex", "markdown" },
      },

      incremental_selection = {
        enable = true,
        keymaps = {
          -- Defaults
          -- init_selection = "gnn",
          -- node_incremental = "grn",
          -- scope_incremental = "grc",
          -- node_decremental = "grm",

          init_selection = "<c-space>",
          node_incremental = "<c-space>",
          scope_incremental = "<c-s>",
          node_decremental = "<m-space>",
        },
      },
      textobjects = {
        select = {
          enable = true,
          -- automatically jump forward to textobj, see targets.vim
          lookahead = true,
          keymaps = {
            -- you can use the capture groups defined in textobjects.scm
            ["af"] = { query = "@function.outer", desc = "[a]round [f]unction" },
            ["if"] = { query = "@function.inner", desc = "[i]nner [f]unction" },
            -- [a/i]p is taken for "paragraph".
            ["aa"] = { query = "@parameter.outer", desc = "[a]round [a]rgument" },
            ["ia"] = { query = "@parameter.inner", desc = "[i]nner [a]rgument" },
            -- fucks up vimtex commands!
            -- ['ac'] = '@class.outer',
            -- ['ic'] = '@class.inner',
          },
        },
        move = {
          enable = true,
          set_jumps = true,
          goto_next_start = {
            ["]m"] = "@function.outer",
            ["]]"] = "@class.outer",
          },
          goto_next_end = {
            ["]M"] = "@function.outer",
            ["]["] = "@class.outer",
          },
          goto_previous_start = {
            ["[m"] = "@function.outer",
            ["[["] = "@class.outer",
          },
          goto_previous_end = {
            ["[M"] = "@function.outer",
            ["[]"] = "@class.outer",
          },
        },
        swap = {
          enable = true,
          swap_next = {
            ["<leader>a"] = "@parameter.inner",
          },
          swap_previous = {
            ["<leader>A"] = "@parameter.inner",
          },
        },
        lsp_interop = {
          enable = true,
          border = "none",
          floating_preview_opts = {},
          peek_definition_code = {
            ["<leader>df"] = "@function.outer",
            ["<leader>dF"] = "@class.outer",
          },
        },
      },
    },

    config = function(_, opts)
      require("nvim-treesitter.configs").setup(opts)
    end,
  },

  -- Uncomment for debug plugin
  -- require 'kickstart.plugins.debug',

  -- For additional information see: https://github.com/folke/lazy.nvim#-structuring-your-plugins
  { import = "custom.plugins" },
}, {
  ui = {
    -- Default icons, if no nerd font installed
    icons = vim.g.have_nerd_font and {} or {
      cmd = "⌘",
      config = "🛠",
      event = "📅",
      ft = "📂",
      init = "⚙",
      keys = "🗝",
      plugin = "🔌",
      runtime = "💻",
      require = "🌙",
      source = "📄",
      start = "🚀",
      task = "📌",
      lazy = "💤 ",
    },
  },
})

-- modeline
-- vim: ts=2 sts=4 sw=2 et