nvim/lua/lsp/tinymist.lua
---@param command_name string
---@return fun():nil run_tinymist_command, string cmd_name, string cmd_desc
local function create_tinymist_command(command_name)
    local export_type = command_name:match 'tinymist%.export(%w+)'
    local info_type = command_name:match 'tinymist%.(%w+)'
    if info_type and info_type:match '^get' then
        info_type = info_type:gsub('^get', 'Get')
    end
    local cmd_display = export_type or info_type
    ---Execute the Tinymist command, supporting both 0.10 and 0.11 exec methods
    ---@return nil
    local function run_tinymist_command()
        local bufnr = vim.api.nvim_get_current_buf()
        local client = vim.lsp.get_clients({ name = 'tinymist', buffer = bufnr })[1]
        if not client then
            return vim.notify('No Tinymist client attached to the current buffer', vim.log.levels.ERROR)
        end
        local arguments = { vim.api.nvim_buf_get_name(bufnr) }
        local title_str = export_type and ('Export ' .. cmd_display) or cmd_display
        ---@type lsp.Handler
        local function handler(err, res)
            if err then
                return vim.notify(err.code .. ': ' .. err.message, vim.log.levels.ERROR)
            end
            -- If exporting, show the string result; else, show the table for inspection
            vim.notify(export_type and res or vim.inspect(res), vim.log.levels.INFO)
        end
        if vim.fn.has 'nvim-0.11' == 1 then
            -- For Neovim 0.11+
            return client:exec_cmd({
                title = title_str,
                command = command_name,
                arguments = arguments,
            }, { bufnr = bufnr }, handler)
        else
            return vim.notify('Tinymist commands require Neovim 0.11+', vim.log.levels.WARN)
        end
    end
    -- Construct a readable command name/desc
    local cmd_name = export_type and ('LspTinymistExport' .. cmd_display) or
    ('LspTinymist' .. cmd_display) ---@type string
    local cmd_desc = export_type and ('Export to ' .. cmd_display) or ('Get ' .. cmd_display) ---@type string
    return run_tinymist_command, cmd_name, cmd_desc
end

return {
    cmd = { 'tinymist' },
    filetypes = { 'typst' },
    root_markers = { '.git' },
    on_attach = function(_)
        for _, command in ipairs {
            'tinymist.exportSvg',
            'tinymist.exportPng',
            'tinymist.exportPdf',
            -- 'tinymist.exportHtml', -- Use typst 0.13
            'tinymist.exportMarkdown',
            'tinymist.exportText',
            'tinymist.exportQuery',
            'tinymist.exportAnsiHighlight',
            'tinymist.getServerInfo',
            'tinymist.getDocumentTrace',
            'tinymist.getWorkspaceLabels',
            'tinymist.getDocumentMetrics',
        } do
            local cmd_func, cmd_name, cmd_desc = create_tinymist_command(command)
            vim.api.nvim_create_user_command(cmd_name, cmd_func, { nargs = 0, desc = cmd_desc })
        end
    end,
}
