-- LSP Configuration
-- Extends LazyVim's built-in LSP support

-- Root detection: nearest project marker, falling back to git root.
-- The require is inside the returned function so lspconfig.util is loaded
-- lazily at attach time, not at module load.
local function make_root_detector(markers)
  return function(fname)
    local util = require("lspconfig.util")
    -- First try language-specific markers (nearest to file)
    local root = util.root_pattern(unpack(markers))(fname)
    if root then
      return root
    end
    -- Fallback to git root
    return util.root_pattern(".git")(fname)
  end
end

return {
  -- LSP configuration
  {
    "neovim/nvim-lspconfig",
    opts = {
      servers = {
        -- ─────────────────────────────────────────────────────────────────
        -- Go
        -- ─────────────────────────────────────────────────────────────────
        gopls = {
          root_dir = make_root_detector({ "go.work", "go.mod" }),
          settings = {
            gopls = {
              gofumpt = true,
              codelenses = {
                gc_details = false,
                generate = true,
                regenerate_cgo = true,
                run_govulncheck = true,
                test = true,
                tidy = true,
                upgrade_dependency = true,
                vendor = true,
              },
              hints = {
                assignVariableTypes = true,
                compositeLiteralFields = true,
                compositeLiteralTypes = true,
                constantValues = true,
                functionTypeParameters = true,
                parameterNames = true,
                rangeVariableTypes = true,
              },
              analyses = {
                fieldalignment = true,
                nilness = true,
                unusedparams = true,
                unusedwrite = true,
                useany = true,
              },
              usePlaceholders = true,
              completeUnimported = true,
              staticcheck = true,
              directoryFilters = { "-.git", "-.vscode", "-.idea", "-.vscode-test", "-node_modules" },
              semanticTokens = true,
              expandWorkspaceToModule = true,
              experimentalPostfixCompletions = true,
              ["build.standaloneTags"] = { "ignore" },
            },
          },
        },

        -- ─────────────────────────────────────────────────────────────────
        -- Lua
        -- ─────────────────────────────────────────────────────────────────
        lua_ls = {
          root_dir = make_root_detector({
            ".luarc.json",
            ".luarc.jsonc",
            ".luacheckrc",
            ".stylua.toml",
            "stylua.toml",
            "selene.toml",
            "selene.yml",
          }),
          settings = {
            Lua = {
              workspace = { checkThirdParty = false },
              completion = { callSnippet = "Replace" },
              diagnostics = { globals = { "vim" } },
            },
          },
        },

        -- ─────────────────────────────────────────────────────────────────
        -- TypeScript / JavaScript
        -- ─────────────────────────────────────────────────────────────────
        ts_ls = {
          root_dir = make_root_detector({ "tsconfig.json", "jsconfig.json", "package.json" }),
          settings = {
            typescript = {
              inlayHints = {
                includeInlayParameterNameHints = "all",
                includeInlayParameterNameHintsWhenArgumentMatchesName = false,
                includeInlayFunctionParameterTypeHints = true,
                includeInlayVariableTypeHints = true,
                includeInlayPropertyDeclarationTypeHints = true,
                includeInlayFunctionLikeReturnTypeHints = true,
                includeInlayEnumMemberValueHints = true,
              },
            },
            javascript = {
              inlayHints = {
                includeInlayParameterNameHints = "all",
                includeInlayParameterNameHintsWhenArgumentMatchesName = false,
                includeInlayFunctionParameterTypeHints = true,
                includeInlayVariableTypeHints = true,
                includeInlayPropertyDeclarationTypeHints = true,
                includeInlayFunctionLikeReturnTypeHints = true,
                includeInlayEnumMemberValueHints = true,
              },
            },
          },
        },

        -- ─────────────────────────────────────────────────────────────────
        -- Web (HTML / CSS / JSON / YAML)
        -- ─────────────────────────────────────────────────────────────────
        html = {
          root_dir = make_root_detector({ "package.json", ".git" }),
          filetypes = { "html", "templ" },
        },

        cssls = {
          root_dir = make_root_detector({ "package.json", ".git" }),
        },

        jsonls = {
          root_dir = make_root_detector({ "package.json", ".git" }),
        },

        yamlls = {
          root_dir = make_root_detector({ "package.json", ".git" }),
          settings = {
            yaml = {
              keyOrdering = false,
              schemas = {
                ["https://json.schemastore.org/github-workflow.json"] = "/.github/workflows/*",
                ["https://json.schemastore.org/docker-compose.json"] = "docker-compose*.yml",
              },
            },
          },
        },

        -- ─────────────────────────────────────────────────────────────────
        -- Markdown / SQL / Docker
        -- ─────────────────────────────────────────────────────────────────
        marksman = {
          root_dir = make_root_detector({ ".marksman.toml", ".git" }),
        },

        sqlls = {
          root_dir = make_root_detector({ ".sqllsrc.json", "sqlls.json", ".git" }),
        },

        dockerls = {},
        docker_compose_language_server = {},
      },
    },
  },
}