#!/usr/bin/env python3

import sys
import re
import collections

from servertester.base.httptester import HTTPTester
from servertester.testsuites import *


if __name__ == "__main__":
    def print_help():
        print("")
        print("Usage:")
        print("./main.py [[<host>]:[<port>] [<suite-id> [<test-id>]]]")
        print("")
        print("<host>      Hostname or IP address of the server to be tested (default: 'localhost')")
        print("<port>      Port number of the server to be tested (default: '80')")
        print("<suite-id>  ID of a test suite (e.g., 'example', default: all test suites)")
        print("<test-id>   ID of an individual test function (e.g., 'test_healthy_server')")
        print("")

    def colorize(str, code=91):
        return f"\033[{code}m{str}\033[0m"

    if {"-h", "--help"}.intersection(sys.argv):
        print_help()
        sys.exit(0)

    if len(sys.argv) < 2:
        print()
        print("Following test cases are available:")
        for sname, suite in testsuites.items():
            print()
            print(f"{f' Test Suite: {colorize(sname)} ':=^80}")
            for fname, func in suite().testcases.items():
                print(f"* {colorize(fname)}: {colorize(func.__doc__, 96)}")
        print()
        print(f"For help run: {colorize('./main.py -h')}")
        print()
        sys.exit(0)

    try:
        t = HTTPTester(sys.argv[1])
    except ValueError as e:
        print(colorize(e))
        print_help()
        sys.exit(1)
    hostport = f"{t.host}:{t.port}"

    suite = None
    if len(sys.argv) > 2:
        try:
            suite = testsuites[sys.argv[2].lower()]
        except KeyError as e:
            print(f"Test suite {colorize(sys.argv[2])} is not available")
            print(f"Available test suites: {colorize(', '.join(testsuites))}")
            sys.exit(1)

    test_id = None
    if len(sys.argv) > 3 and suite and sys.argv[3].startswith("test_"):
        test_id = sys.argv[3]

    def print_result(result, print_text_payload=False):
        print("-" * 80)
        print(f"{result['id']}: {colorize(result['description'], 96)}")
        for note in result["notes"]:
            print(f"* {note}")
        if result["errors"]:
            for err in result["errors"]:
                print(colorize(f"[FAILED] {err}"))
        else:
            print(colorize("[PASSED]", 92))
        print()
        print("> " + result["req"]["raw"].replace("\n", "\n> ")[:-2])
        if result["res"]["raw_headers"]:
            print("< " + result["res"]["raw_headers"].replace("\n", "\n< "))
        if result["res"]["payload"]:
            if "Missing empty line after headers" not in result["errors"]:
                print("< ")
            if print_text_payload and result["res"]["headers"].get("content-type", "text/plain").split('/')[0] in ["text", "message"]:
                print(result["res"]["payload"].decode())
            else:
                print(f"* [Payload redacted ({result['res']['payload_size']} bytes)]")
        print()

    def print_summary(hostport, test_results):
        counts = collections.Counter(test_results.values())
        colors = {"PASSED": 92, "FAILED": 91}
        print(f"{' SUMMARY ':=^80}")
        print(f"Server: {colorize(hostport, 96)}")
        print("Test Case Results:")
        for test, result in test_results.items():
            print(f"{colorize(result, colors[result])}: {test}")
        print("-" * 80)
        print(f"TOTAL: {len(test_results)}, {colorize('PASSED', 92)}: {counts['PASSED']}, {colorize('FAILED', 91)}: {counts['FAILED']}")
        print("=" * 79)

    print(f"Testing {hostport}")

    try:
        if test_id:
            t = suite(hostport)
            result = t.run_single_test(test_id)
            print_result(result, print_text_payload=True)
        else:
            test_results = {}
            suites = {sys.argv[2].lower(): suite} if suite else testsuites
            for _, suite in suites.items():
                t = suite(hostport)
                for result in t.run_all_tests():
                    test_results[result["id"]] = "FAILED" if result["errors"] else "PASSED"
                    print_result(result)
            print_summary(hostport, test_results)
    except Exception as e:
        print(colorize(e))