local home = vim.env.HOME

local jdtls = require("jdtls")
local project_name = vim.fn.fnamemodify(vim.fn.getcwd(), ":p:h:t")
local workspace_dir = home .. "/jdtls-workspace/" .. project_name

local config = {
  cmd = {
    "java",
    "-Declipse.application=org.eclipse.jdt.ls.core.id1",
    "-Dosgi.bundles.defaultStartLevel=4",
    "-Declipse.product=org.eclipse.jdt.ls.core.product",
    "-Dlog.protocol=true",
    "-Dlog.level=ALL",
    "-javaagent:" .. home .. "/.local/share/nvim/mason/share/jdtls/lombok.jar",
    "-Xmx4g",
    "--add-modules=ALL-SYSTEM",
    "--add-opens", "java.base/java.util=ALL-UNNAMED",
    "--add-opens", "java.base/java.lang=ALL-UNNAMED",

    "-jar",
    home .. "/.local/share/nvim/mason/share/jdtls/plugins/org.eclipse.equinox.launcher.jar",
    "-configuration",
    home .. "/.local/share/nvim/mason/packages/jdtls/config_linux",
    "-data",
    workspace_dir,
  },

  root_dir = require("jdtls.setup").find_root({ ".git", "mvnw", "pom.xml", "build.gradle" }),

  settings = {
    java = {
      home = "/usr/lib/jvm/java-21-openjdk",
      eclipse = {
        downloadSources = true,
      },
      configuration = {
        updateBuildConfiguration = "interactive",
        runtimes = {
          {
            name = "JavaSE-17",
            path = "/usr/lib/jvm/java-17-openjdk",
          },
          {
            name = "JavaSE-21",
            path = "/usr/lib/jvm/java-21-openjdk",
          },
        },
      },
      maven = {
        downloadSources = true,
      },
      implementationsCodeLens = {
        enabled = true,
      },
      referencesCodeLens = {
        enabled = true,
      },
      references = {
        includeDecompiledSources = true,
      },
      signatureHelp = { enabled = true },
      format = {
        enabled = true,
        settings = {
          url = "https://github.com/google/styleguide/blob/gh-pages/intellij-java-google-style.xml",
          profile = "GoogleStyle",
        },
      },
      completion = {
        favoriteStaticMembers = {
          "org.hamcrest.MatcherAssert.assertThat",
          "org.hamcrest.Matchers.*",
          "org.hamcrest.CoreMatchers.*",
          "org.junit.jupiter.api.Assertions.*",
          "java.util.Objects.requireNonNull",
          "java.util.Objects.requireNonNullElse",
          "org.mockito.Mockito.*",
        },
        importOrder = {
          "java",
          "javax",
          "com",
          "org",
        },
      },
      sources = {
        organizeImports = {
          starThreshold = 9999,
          staticStarThreshold = 9999,
        },
      },
      codeGeneration = {
        toString = {
          template = "${object.className}{${member.name()}=${member.value}, ${otherMembers}}",
        },
        useBlocks = true,
      },
    },
  },
  capabilities = require("cmp_nvim_lsp").default_capabilities(),
  flags = {
    allow_incremental_sync = true,
  },
  init_options = {
    extendedClientCapabilities = jdtls.extendedClientCapabilities,
  },
}

jdtls.start_or_attach(config)