-- luacheck: globals vim

require("packer").startup(function(use)
    use("tpope/vim-sensible")

    use("vimwiki/vimwiki")
    use("freitass/todo.txt-vim")
    use("ledger/vim-ledger")

    use("psliwka/vim-smoothie")

    -- navigation
    use("easymotion/vim-easymotion")
    use("tpope/vim-unimpaired")
    use("tpope/vim-surround")
    use("christoomey/vim-tmux-navigator")

    -- fern
    use("lambdalisue/fern.vim")
    use("lambdalisue/nerdfont.vim")
    use("lambdalisue/fern-renderer-nerdfont.vim")
    use("lambdalisue/glyph-palette.vim")
    use("lambdalisue/fern-git-status.vim")
    use("lambdalisue/fern-mapping-git.vim") -- to check
    use("lambdalisue/fern-hijack.vim")

    -- airline
    use("vim-airline/vim-airline")
    use("vim-airline/vim-airline-themes")

    use("tpope/vim-fugitive")
    use("airblade/vim-gitgutter")

    use("honza/vim-snippets")
    use("SirVer/ultisnips")

    use("junegunn/fzf.vim")

    use("junegunn/goyo.vim")
    use("junegunn/limelight.vim")

    use("preservim/nerdcommenter")

    use("luochen1990/rainbow")
    use("ap/vim-css-color")

    use("Yggdroot/indentLine")

    use("gruvbox-community/gruvbox")

    -- language support
    use("darrikonn/vim-gofmt")
    use("Glench/Vim-Jinja2-Syntax")
    use("preservim/vim-markdown")
    use("LnL7/vim-nix")
    use("hashivim/vim-terraform")
    use("LaTeX-Box-Team/LaTeX-Box")
    use("vito-c/jq.vim")
    use("tpope/vim-haml")
    use({ "psf/black", branch = "stable" })
    use("elzr/vim-json")

    use("jpalardy/vim-slime")

    use("neovim/nvim-lspconfig")
    use("hrsh7th/nvim-cmp")     -- Autocompletion plugin
    use("hrsh7th/cmp-nvim-lsp") -- LSP source for nvim-cmp
    use("hrsh7th/cmp-buffer")
    use("hrsh7th/cmp-path")
    use("saadparwaiz1/cmp_luasnip") -- Snippets source for nvim-cmp
    use("L3MON4D3/LuaSnip")         -- Snippets plugin
    use("lukas-reineke/lsp-format.nvim")

    use("sheerun/vim-polyglot")

    use("nvim-treesitter/nvim-treesitter")
    use("nvim-orgmode/orgmode")
end)

local o = vim.opt

local function map(mode, shortcut, command)
    vim.api.nvim_set_keymap(mode, shortcut, command, { noremap = true, silent = true })
end

local function nmap(shortcut, command)
    map("n", shortcut, command)
end

--local function imap(shortcut, command)
--    map("i", shortcut, command)
--end

o.wrap = false
o.number = true
o.compatible = false
o.mouse = "a"                      -- mouse support
o.showcmd = true                   -- show incomplete cmds down the bottom
o.showmode = true                  -- show current mode
o.showmatch = true                 -- set show matching parenthesis
o.visualbell = true                -- no sounds
o.autoread = true                  -- reload files changed outside of vim
o.backspace = [[indent,eol,start]] -- allow backspacing over everything in insert mode
o.ignorecase = true                -- ignore case when searching
o.shiftround = true                -- use multiple of shiftwidth when indenting with '<' and '>'
o.smartcase = true                 -- ignore case if searching pattern is all lowecase, case-sensitive otherwise
o.smarttab = true                  -- insert tabs on the start of a line according to shiftwidth, not tabstop
o.hlsearch = true                  -- highlight search terms
o.incsearch = true                 -- show search matches as you type
o.hidden = true
o.ruler = true
o.clipboard = "unnamed" -- system clipboard
o.colorcolumn = "80"

vim.cmd("syntax on")
vim.cmd("filetype plugin on")

if vim.fn.has("multi_byte") == 1 and vim.o.encoding == "utf-8" then
    o.listchars = [[tab:▸ ,extends:❯,precedes:❮,nbsp:±,trail:…]]
else
    o.listchars = [[tab:> ,extends:>,precedes:<,nbsp:.,trail:_]]
end

vim.g.mapleader = ","
vim.g.maplocaleader = "\\"

o.splitbelow = true
o.splitright = true
nmap("<A-r>", "<C-w>r")

nmap("<A-1>", "1gt")
nmap("<A-2>", "2gt")
nmap("<A-3>", "3gt")
nmap("<A-4>", "4gt")
nmap("<A-5>", "5gt")
nmap("<A-6>", "6gt")
nmap("<A-7>", "7gt")
nmap("<A-8>", "8gt")
nmap("<A-9>", ":tablast<cr>")

nmap("<C-l>", ":nohl<CR><C-l>")

-- todo: try to do it with `vim.api.nvim_set_hl`
vim.cmd("hi CursorLine cterm=NONE,underline ctermbg=NONE") -- highlight line when in insert mode

o.timeoutlen = 1000
o.ttimeoutlen = 0

vim.cmd("autocmd InsertEnter * :set cursorline")
vim.cmd("autocmd InsertLeave * :set nocursorline")

-- indentation
vim.cmd("filetype indent on")
o.softtabstop = 4
o.expandtab = true
o.shiftwidth = 4
o.tabstop = 4
o.autoindent = true
o.copyindent = true

-- folds
o.foldmethod = "indent"
o.foldnestmax = 3
o.foldenable = false

o.termguicolors = true
vim.g.gruvbox_contrast_dark = "hard"
vim.g.gruvbox_contrast_light = "hard"
vim.g.gruvbox_italic = 1
vim.g.gruvbox_invert_indent_guides = 1
vim.g.gruvbox_vert_split = "bg1"
vim.cmd("colorscheme gruvbox")
o.background = "dark"

vim.g.markdown_syntax_conceal = 0

o.updatetime = 100 -- to make gigutter more responsive

vim.g["fern#renderer"] = "nerdfont"
vim.cmd([[
function! s:init_fern() abort
    nmap <buffer> T <Plug>(fern-action-open:tab)
    nmap <buffer> S <Plug>(fern-action-open:split)
    nmap <buffer> V <Plug>(fern-action-open:vsplit)
    nmap <buffer> <Space> <Plug>(fern-action-mark:toggle)
endfunction

augroup fern-custom
  autocmd! *
  autocmd FileType fern call s:init_fern()
augroup END

augroup my-glyph-palette
  autocmd! *
  autocmd FileType fern call glyph_palette#apply()
  autocmd FileType nerdtree,startify call glyph_palette#apply()
augroup END
]])
nmap("<leader>t", ":Fern . -drawer -toggle<cr>")
-- nmap("<leader>f", ":Files<cr>")
nmap("<leader>rg", ":Rg<cr>")
nmap("<leader><Bs>", ": cd ..<cr>")
nmap("<leader>b", ": Buffers<cr>")

vim.g["indentLine_char"] = "▏"
vim.g["indentLine_setConceal"] = 0

vim.g["slime_target"] = "tmux"
vim.g["slime_python_ipython"] = 1

vim.g["tmux_navigator_no_mappings"] = 1
nmap("<A-h>", ":TmuxNavigateLeft<cr>")
nmap("<A-j>", ":TmuxNavigateDown<cr>")
nmap("<A-k>", ":TmuxNavigateUp<cr>")
nmap("<A-l>", ":TmuxNavigateRight<cr>")

vim.g["airline_theme"] = "base16_gruvbox_dark_hard"
vim.g["airline#extensions#tabline#enabled"] = 1
vim.g["airline#extensions#ale#enabled"] = 1

vim.g["deoplete#enable_at_startup"] = 1

vim.g["NERDDefaultAlign"] = "left"

vim.g["UltiSnipsExpandTrigger"] = "<tab>"
vim.g["UltiSnipsJumpForwardTrigger"] = "<c-b>"
vim.g["UltiSnipsJumpBackwardTrigger"] = "<c-z>"

local lspconfig = require("lspconfig")
local capabilities = require("cmp_nvim_lsp").default_capabilities()

lspconfig.pyright.setup { capabilities = capabilities }
lspconfig.ruff_lsp.setup { capabilities = capabilities }

lspconfig.nixd.setup { capabilities = capabilities }
lspconfig.jsonls.setup { capabilities = capabilities }
lspconfig.ansiblels.setup { capabilities = capabilities }
lspconfig.beancount.setup { capabilities = capabilities }
lspconfig.ltex.setup { capabilities = capabilities }

lspconfig.terraformls.setup { capabilities = capabilities }
lspconfig.tflint.setup { capabilities = capabilities }

lspconfig.docker_compose_language_service.setup {
    root_dir = lspconfig.util.root_pattern("docker-compose.yaml", "docker-compose.yml"),
    filetypes = { "yaml", "yaml.docker-compose" },
    capabilities = capabilities,
}
lspconfig.dockerls.setup { capabilities = capabilities }

-- lspconfig.sqlls.setup {capabilities = capabilities}

lspconfig.lua_ls.setup {
    settings = {
        Lua = {
            runtime = {
                -- Tell the language server which version of Lua you're using (most likely LuaJIT in the case of Neovim)
                version = "LuaJIT",
            },
            diagnostics = {
                -- Get the language server to recognize the `vim` global
                globals = { "vim" },
            },
            workspace = {
                -- Make the server aware of Neovim runtime files
                library = vim.api.nvim_get_runtime_file("", true),
            },
            -- Do not send telemetry data containing a randomized but unique identifier
            telemetry = {
                enable = false,
            },
        },
    },
    capabilities = capabilities
}

lspconfig.efm.setup {
    init_options = { documentFormatting = true },
    filetypes = { "python", "sh" },
    settings = {
        rootMarkers = { ".git/", "pyproject.toml" },
        languages = {
            python = { { formatCommand = "black -", formatStdin = true } },
            sql = { {
                formatCommand = "sqlfluff fix --dialect bigquery -",
                formatStdin = true
            } },
            sh = { {
                formatCommand = "shfmt -i 4 -bn -sr -p -ci",
                formatStdin = true,
                lintCommand = "shellcheck -f gcc -x",
                lintSource = "shellcheck",
                lintFormats = {
                    "%f:%l:%c: %trror: %m",
                    "%f:%l:%c: %tarning: %m",
                    "%f:%l:%c: %tote: %m",
                }
            } },
        },
    },
    capabilities = capabilities
}

local luasnip = require 'luasnip'
local cmp = require 'cmp'
cmp.setup {
    snippet = {
        expand = function(args)
            luasnip.lsp_expand(args.body)
        end,
    },
    mapping = cmp.mapping.preset.insert({
        ['<C-u>'] = cmp.mapping.scroll_docs(-4), -- Up
        ['<C-d>'] = cmp.mapping.scroll_docs(4),  -- Down
        -- C-b (back) C-f (forward) for snippet placeholder navigation.
        ['<C-Space>'] = cmp.mapping.complete(),
        ['<CR>'] = cmp.mapping.confirm {
            behavior = cmp.ConfirmBehavior.Replace,
            select = true,
        },
        ['<Tab>'] = cmp.mapping(function(fallback)
            if cmp.visible() then
                cmp.select_next_item()
            elseif luasnip.expand_or_jumpable() then
                luasnip.expand_or_jump()
            else
                fallback()
            end
        end, { 'i', 's' }),
        ['<S-Tab>'] = cmp.mapping(function(fallback)
            if cmp.visible() then
                cmp.select_prev_item()
            elseif luasnip.jumpable(-1) then
                luasnip.jump(-1)
            else
                fallback()
            end
        end, { 'i', 's' }),
    }),
    sources = {
        { name = 'nvim_lsp' },
        { name = 'luasnip' },
        { name = 'buffer' },
        { name = 'path' },
        { name = 'orgmode' },
    },
}

local orgmode = require("orgmode")

orgmode.setup_ts_grammar()
require("nvim-treesitter.configs").setup {
    -- If TS highlights are not enabled at all, or disabled via `disable` prop,
    -- highlighting will fallback to default Vim syntax highlighting
    highlight = {
        enable = true,
        -- Required for spellcheck, some LaTex highlights and
        -- code block highlights that do not have ts grammar
        additional_vim_regex_highlighting = { "org" },
    },
    ensure_installed = { "org" }, -- Or run :TSUpdate org
}

orgmode.setup {
    org_agenda_files = { "~/Nextcloud/org/*" },
    org_default_notes_file = "~/Nextcloud/org/refile.org",
}

vim.api.nvim_create_autocmd("LspAttach", {
    group = vim.api.nvim_create_augroup("UserLspConfig", {}),
    callback = function(ev)
        -- Enable completion triggered by <c-x><c-o>
        vim.bo[ev.buf].omnifunc = "v:lua.vim.lsp.omnifunc"

        local opts = { buffer = ev.buf }
        vim.keymap.set("n", "<C-f>", function()
            vim.lsp.buf.format({ async = true })
        end, opts)
    end,
})