-- VIM OPTIONS START --

local vim = vim
vim.o.number = true
vim.o.relativenumber = true
vim.o.tabstop = 4
vim.o.shiftwidth = 4
vim.o.expandtab = true
vim.o.signcolumn = "yes"
vim.o.swapfile = false
vim.g.mapleader = " "
vim.o.winborder = "single"

-- Make 'j' and 'k' navigate visual lines (not logical lines)
vim.keymap.set("n", "j", "gj", { noremap = true, silent = true })
vim.keymap.set("n", "k", "gk", { noremap = true, silent = true })
vim.keymap.set("v", "j", "gj", { noremap = true, silent = true })
vim.keymap.set("v", "k", "gk", { noremap = true, silent = true })


-- VIM OPTIONS END --

-- PLUGINS START --

vim.pack.add({
    { src = "https://github.com/ellisonleao/gruvbox.nvim" },
    { src = "https://github.com/stevearc/oil.nvim" },
    { src = "https://github.com/echasnovski/mini.pick" },
    { src = "https://github.com/neovim/nvim-lspconfig" },
    { src = "https://github.com/nvim-treesitter/nvim-treesitter" },
    { src = "https://github.com/Saghen/blink.cmp",                   version = "v1.6.0", },
    { src = "https://github.com/mason-org/mason.nvim" },
    { src = "https://github.com/dimitry-ishenko-neovim/lualine-nvim" },
    { src = "https://github.com/chomosuke/typst-preview.nvim" },
    { src = "https://github.com/kosayoda/nvim-lightbulb" },
    { src = "https://codeberg.org/mfussenegger/nvim-jdtls.git" },
})

vim.cmd("colorscheme gruvbox")

require("oil").setup()
require("mini.pick").setup()
require("blink.cmp").setup({
    keymap = { preset = "super-tab" },
})
require("nvim-treesitter.configs").setup({
    auto_install = true,
    highlight = { enable = true },
    indent = { enable = true },
})
require("mason").setup()
require("lualine").setup {
    options = {
        theme = "gruvbox_dark",
    }
}
require("typst-preview").setup()
require("nvim-lightbulb").setup({ autocmd = { enabled = true } })

-- PLUGINS END --

-- LSP START --

vim.lsp.enable({ "lua_ls", "ts_ls", "svelte", "tailwindcss", "cssls", "bashls", "rust_analyzer", "clangd", "clang-format", "taplo",
    "sourcekit", "lemminx", "tinymist", "jdtls" })

vim.lsp.config["tinymist"] = {
    cmd = { "tinymist" },
    filetypes = { "typst" },
    settings = {
        formatterMode = "typstyle",
    },
}

vim.lsp.config("jdtls", {
    root_dir = vim.fn.getcwd(),
    settings = {
        java = {
            -- Custom eclipse.jdt.ls options go here
        },
    },
})

-- LSP END --

-- KEYMAP START --

vim.keymap.set("n", "<leader>gf", vim.lsp.buf.format)
vim.keymap.set("n", "<leader>gd", vim.lsp.buf.definition)
vim.keymap.set("n", "<leader>gD", vim.lsp.buf.declaration)
vim.keymap.set("n", "<leader>ca", vim.lsp.buf.code_action, { desc = "Code Action" })
vim.keymap.set("n", "<leader>rn", vim.lsp.buf.rename, { desc = "Rename symbol" })

vim.keymap.set("n", "<C-f>", ":Pick files<CR>")
vim.keymap.set("n", "<C-g>", ":Pick grep_live<CR>")
vim.keymap.set("n", "<C-h>", ":Pick help<CR>")
vim.keymap.set("n", "<C-e>", ":Oil<CR>")

vim.keymap.set("n", "<leader>dg", function()
    vim.diagnostic.setqflist()
    vim.cmd("copen")
end, { desc = "Show diagnostics in quickfix list" })
vim.keymap.set("n", "<leader>qf>", function()
    local qf_win = vim.fn.getwininfo(vim.fn.getqflist({ winid = 0 }).winid)
    if not qf_win or #qf_win == 0 then
        vim.cmd("copen")
    else
        vim.cmd("cclose")
    end
end, { desc = "Toggle quickfix list" })

-- KEYMAP END --

vim.diagnostic.config({
    virtual_text = {
        prefix = "●",
        spacing = 2,
        source = "if_many",
    },
    severity_sort = true,
})

-- Toggle spell check with <leader>sc
vim.keymap.set("n", "<leader>sc", function()
    vim.wo.spell = not vim.wo.spell
    print("Spell checking: " .. (vim.wo.spell and "ON" or "OFF"))
end, { desc = "Toggle spell checking" })

-- Switch between English and German with <leader>sl
vim.keymap.set("n", "<leader>sl", function()
    local current = vim.opt.spelllang:get()[1] or ""
    local new_lang = current == "en" and "de" or "en"
    vim.opt.spelllang = new_lang
    print("Spell language: " .. new_lang)
end, { desc = "Switch spell language" })