require("render-markdown").setup({
    completions = { lsp = { enabled = true } },

    heading = {
        enabled = true,
        sign = false,
        icons = { "󰲡 ", "󰲣 ", "󰲥 ", "󰲧 ", "󰲩 ", "󰲫 " },
        signs = { "▶"},
        left_pad = 0,
        right_pad = 0,
        width = "full",
        min_width = 0,
        border = true,
        border_virtual = true,
        above = "▄",
        below = "▀",
    },

    code = {
        enabled = true,
        sign = true,
        style = "full",
        position = "left",
        language_pad = 2,
        disable_background = { "diff" },
        width = "full",
        left_pad = 0,
        right_pad = 0,
        min_width = 0,
        border = "thin",
        above = "▄",
        below = "▀",
        highlight = "RenderMarkdownCode",
        highlight_inline = "RenderMarkdownCodeInline",
    },

    win_options = {
        conceallevel = {
            default = vim.o.conceallevel,
            rendered = 3,
        },
        concealcursor = {
            default = vim.o.concealcursor,
            rendered = "n",
        },
    },
})

-- Fix tab behavior in markdown files
vim.api.nvim_create_autocmd("FileType", {
    pattern = "markdown",
    callback = function()
        -- Override tab mapping in markdown files
        vim.keymap.set("i", "<Tab>", function()
            -- Check if we're in a code block
            local line = vim.api.nvim_get_current_line()
            local col = vim.api.nvim_win_get_cursor(0)[2]

            -- If we're at the beginning of a line or after whitespace, insert tab
            if col == 0 or line:sub(1, col):match("^%s*$") then
                return "<Tab>"
            else
                -- Otherwise, let completion handle it if available
                if vim.fn.pumvisible() == 1 then
                    return "<C-n>"
                else
                    return "<Tab>"
                end
            end
        end, { expr = true, buffer = true })
    end,
})