local js = require "util.jsonschema";

local json = require "util.json";

local lfs = require "lfs";

-- https://github.com/json-schema-org/JSON-Schema-Test-Suite.git 2.0.0-550-g88d6948

local test_suite_dir = "spec/JSON-Schema-Test-Suite/tests/draft2020-12"

if lfs.attributes(test_suite_dir, "mode") ~= "directory" then return end

-- Tests to skip and short reason why (NYI = not yet implemented)

local skip = {

	["additionalProperties.json:0:2"] = "distinguishing objects from arrays",

	["additionalProperties.json:0:5"] = "NYI",

	["additionalProperties.json:1:0"] = "NYI",

	["anchor.json"] = "$anchor NYI",

	["const.json:1"] = "deepcompare",

	["const.json:13:2"] = "IEEE 754 equality",

	["const.json:2"] = "deepcompare",

	["const.json:8"] = "deepcompare",

	["const.json:9"] = "deepcompare",

	["contains.json:0:5"] = "distinguishing objects from arrays",

	["defs.json"] = "need built-in meta-schema",

	["dependentRequired.json"] = "NYI",

	["dependentSchemas.json"] = "NYI",

	["dynamicRef.json"] = "NYI",

	["enum.json:1:3"] = "deepcompare",

	["id.json"] = "NYI",

	["maxContains.json"] = "NYI",

	["maxLength.json:0:4"] = "UTF-16",

	["maxProperties.json"] = "NYI",

	["minContains.json"] = "NYI",

	["minLength.json:0:4"] = "UTF-16",

	["minProperties.json"] = "NYI",

	["multipleOf.json:1"] = "multiples of IEEE 754 fractions",

	["multipleOf.json:2"] = "multiples of IEEE 754 fractions",

	["pattern.json"] = "NYI",

	["patternProperties.json"] = "NYI",

	["properties.json:1:2"] = "NYI",

	["properties.json:1:3"] = "NYI",

	["ref.json:0:3"] = "NYI additionalProperties",

	["ref.json:11"] = "NYI",

	["ref.json:12:1"] = "FIXME",

	["ref.json:13"] = "NYI",

	["ref.json:14"] = "NYI",

	["ref.json:15"] = "NYI",

	["ref.json:16"] = "NYI",

	["ref.json:17"] = "NYI",

	["ref.json:18"] = "NYI",

	["ref.json:19"] = "NYI",

	["ref.json:26"] = "NYI",

	["ref.json:27"] = "NYI",

	["ref.json:28"] = "NYI",

	["ref.json:3:2"] = "FIXME investigate, util.jsonpath issue?",

	["ref.json:6:1"] = "NYI",

	["ref.json:20"] = "NYI",

	["ref.json:25"] = "NYI",

	["refRemote.json"] = "DEFINITELY NYI",

	["required.json:0:2"] = "distinguishing objects from arrays",

	["type.json:3:4"] = "distinguishing objects from arrays",

	["type.json:3:6"] = "null is weird",

	["type.json:4:3"] = "distinguishing objects from arrays",

	["type.json:4:6"] = "null is weird",

	["type.json:9:4"] = "null is weird",

	["type.json:9:6"] = "null is weird",

	["unevaluatedItems.json"] = "NYI",

	["unevaluatedProperties.json"] = "NYI",

	["uniqueItems.json:0:11"] = "deepcompare",

	["uniqueItems.json:0:13"] = "deepcompare",

	["uniqueItems.json:0:14"] = "deepcompare",

	["uniqueItems.json:0:22"] = "deepcompare",

	["uniqueItems.json:0:24"] = "deepcompare",

	["uniqueItems.json:0:9"] = "deepcompare",

	["unknownKeyword.json"] = "NYI",

	["vocabulary.json"] = "NYI",

};

local function label(s, i)

	return string.format("%s:%d", s, i-1);

end

describe("util.jsonschema.validate", function()

	for test_case_file in lfs.dir(test_suite_dir) do

		-- print(skip[test_case_file] and "do  " or "skip", test_case_file)

		if test_case_file:sub(-5) == ".json" and not skip[test_case_file] then

			describe(test_case_file, function()

				local test_cases;

				setup(function()

					local f = assert(io.open(test_suite_dir .. "/" .. test_case_file));

					local rawdata = assert(f:read("*a"), "failed to read " .. test_case_file)

					test_cases = assert(json.decode(rawdata), "failed to parse " .. test_case_file)

				end)

				describe("tests", function()

					for i, schema_test in ipairs(test_cases) do

						local generic_label = label(test_case_file, i);

						describe(schema_test.description or generic_label, function()

							for j, test in ipairs(schema_test.tests) do

								local specific_label = label(generic_label, j);

								((skip[generic_label] or skip[specific_label]) and pending or it)(test.description, function()

									assert.equal(test.valid, js.validate(schema_test.schema, test.data), specific_label .. " " .. test.description);

								end)

							end

						end)

					end

				end)

			end)

		end

	end

end);