local lspconfig = require 'lspconfig'
local configs = require 'lspconfig.configs'
local util = require 'lspconfig.util'

local env = {
    HOME = vim.loop.os_homedir(),
    XDG_CACHE_HOME = os.getenv 'XDG_CACHE_HOME',
    JDTLS_JVM_ARGS = os.getenv 'JDTLS_JVM_ARGS',
}


local function get_cache_dir()
    return env.XDG_CACHE_HOME and env.XDG_CACHE_HOME or lspconfig.util.path.join(env.HOME, '.cache')
end

local function get_jdtls_cache_dir()
    return lspconfig.util.path.join(get_cache_dir(), 'jdtls')
end

local function get_jdtls_workspace_dir()
    return lspconfig.util.path.join(get_jdtls_cache_dir(), 'workspace')
end

local root_files = {
    -- Single-module projects
    {
        'build.xml',           -- Ant
        'pom.xml',             -- Maven
        'settings.gradle',     -- Gradle
        'settings.gradle.kts', -- Gradle
    },
    -- Multi-module projects
    { 'build.gradle', 'build.gradle.kts' },
}
if not configs.camel then
    configs.camel = {
        default_config = {
            cmd = { "java", "-jar", "/Users/nige/.local/share/lsp/camel-lsp-server/camel-lsp-server-1.5.0.jar" },
            filetypes = { 'java' },
            root_dir = function(fname)
                for _, patterns in ipairs(root_files) do
                    local root = util.root_pattern(unpack(patterns))(fname)
                    if root then
                        return root
                    end
                end
            end,
            single_file_support = true,
            init_options = {
                workspace = get_jdtls_workspace_dir(),
                jvm_args = {},
                os_config = nil,
            },
            settings = {},
        },
        docs = {
            description = "Language server for ApacheCamel"
        }
    }
end

lspconfig.camel.setup {}