import json
import os
import shutil
import subprocess
import sys
import time
import unittest

sys.path.insert(0, os.path.join(os.path.dirname(os.path.abspath(__file__)), "..", "files"))
import claude_agents as ca  # noqa: E402


class Page(unittest.TestCase):
    def test_page_applies_saved_bg_before_body(self):
        html = ca.render_page()
        body = html.index("<body>")
        self.assertLess(html.index("claude-panel-bg"), body)
        self.assertIn(ca.CLIENT_COLORS_JS, html)
        self.assertIn("try {", html[:body])

    def test_page_has_bg_controls(self):
        html = ca.render_page()
        for marker in ('id="bgctl"', 'id="gear"', 'id="bgrow"', 'type="color"', 'id="bg-reset"'):
            self.assertIn(marker, html)
        self.assertEqual(ca.BG_PRESETS, ("#002b36", "#1e1e1e", "#000000", "#2b2b3a", "#fdf6e3"))
        for hex_ in ca.BG_PRESETS:
            self.assertIn(f'data-bg="{hex_}"', html)
        limits_end = html.index('<div id="limits">') + len('<div id="limits">') + len(ca.render_limits())
        self.assertGreater(html.index('id="bgctl"'), limits_end)


    def test_reload_skipped_while_colour_row_open(self):
        html = ca.render_page()
        self.assertIn("if (!cur && !bgrow.classList.contains('open')) location.reload()", html)
        self.assertLess(html.index("const gear = document.getElementById('gear'), bgrow"),
                        html.index("location.reload()"))

    def test_limits_refresh_reads_body_before_moving_gear(self):
        html = ca.render_page()
        start = html.index("async function refreshLimits")
        body = html[start:html.index("setInterval(refreshLimits")]
        self.assertLess(body.index("await r.text()"), body.index("appendChild(gear)"))


class Limits(unittest.TestCase):
    def setUp(self):
        self.saved = dict(ca.state)

    def tearDown(self):
        ca.state.clear()
        ca.state.update(self.saved)

    def test_limits_foot_has_gear_slot(self):
        ca.state["usage_updated"], ca.state["usage_error"] = time.time(), None
        self.assertIn('class="gear-slot"', ca.render_limits())


@unittest.skipUnless(shutil.which("node"), "нет node")
class ClientColors(unittest.TestCase):
    def test_panel_colors_js(self):
        js = ca.CLIENT_COLORS_JS + (
            "\nconsole.log(JSON.stringify([panelColors('#fdf6e3'), panelColors('#000000'),"
            " panelColors('nope'), panelColors('#002b36')]))")
        out = subprocess.run(["node", "-e", js], capture_output=True, text=True, check=True).stdout
        self.assertEqual(json.loads(out), [
            {"bg": "#fdf6e3", "fg": "#3b4a50", "dim": "#898f8b"},
            {"bg": "#000000", "fg": "#aacace", "dim": "#66797c"},
            None,
            {"bg": "#002b36", "fg": "#aacace", "dim": "#668a91"},
        ])

    def test_text_colour_by_contrast(self):
        cases = {"#a0a0a0": "#3b4a50", "#999999": "#3b4a50", "#6699cc": "#3b4a50", "#333333": "#aacace"}
        js = ca.CLIENT_COLORS_JS + (
            "\nconsole.log(JSON.stringify(%s.map(c => panelColors(c).fg)))" % json.dumps(list(cases)))
        out = subprocess.run(["node", "-e", js], capture_output=True, text=True, check=True).stdout
        self.assertEqual(json.loads(out), list(cases.values()))


if __name__ == "__main__":
    unittest.main()