local lib = require("neotest.lib")

local has_cpp_parser = false
local ok_parsers, parsers = pcall(require, "nvim-treesitter.parsers")
if ok_parsers and parsers.has_parser then
    has_cpp_parser = parsers.has_parser("cpp")
end

if not has_cpp_parser then
    vim.schedule(function()
        vim.notify(
            "neotest-gtest needs Treesitter cpp parser. Run :TSInstall cpp",
            vim.log.levels.WARN
        )
    end)
    return
end

require("neotest").setup({
    adapters = {
        require("neotest-gtest").setup({
            root = lib.files.match_root_pattern(
                "CMakeLists.txt",
                ".git"
            ),
            debug_adapter = "codelldb",
            is_test_file = function(file)
                local normalized = file:gsub("\\", "/")
                local is_in_tests_dir = normalized:match("/tests/") ~= nil
                local has_test_suffix = normalized:match("_test%.cpp$")
                    or normalized:match("_test%.cc$")
                    or normalized:match("_test%.cxx$")
                    or normalized:match("_test%.c%+%+$")

                return is_in_tests_dir and has_test_suffix ~= nil
            end,
            filter_dir = function(name, rel_path)
                if rel_path == "" then
                    return true
                end

                local blocked = {
                    [".git"] = true,
                    [".cache"] = true,
                    ["build"] = true,
                    ["out"] = true,
                    ["_deps"] = true,
                }

                if blocked[name] then
                    return false
                end

                if rel_path:match("^build/") or rel_path:match("^out/") then
                    return false
                end

                return true
            end,
            mappings = {
                configure = "C",
            },
        }),
    },
})