"""Tests for the `ria campaign` CLI commands."""

import os
import tempfile

import yaml
from click.testing import CliRunner

from ria_toolkit_oss_cli.cli import cli


def _write_yaml(d: dict, suffix=".yml") -> str:
    f = tempfile.NamedTemporaryFile(mode="w", suffix=suffix, delete=False)
    yaml.dump(d, f)
    f.close()
    return f.name


WIFI_PROFILE = {
    "device": {"name": "iPhone_13_WiFi", "type": "wifi"},
    "capture": {
        "channels": [1, 6, 11],
        "bandwidth": "20MHz",
        "traffic_patterns": ["idle", "ping", "iperf_udp"],
        "duration_per_config": "30s",
    },
    "recorder": {
        "device": "usrp_b210",
        "center_freq": "2.45GHz",
        "sample_rate": "40MHz",
        "gain": "auto",
    },
    "output": {"path": "/tmp/test_enroll", "device_id": "iphone13_wifi_001"},
}

FULL_CAMPAIGN = {
    "campaign": {"name": "wifi_capture_001", "mode": "controlled_testbed"},
    "transmitters": [
        {
            "id": "laptop_wifi",
            "type": "wifi",
            "control_method": "external_script",
            "schedule": [
                {"channel": 6, "bandwidth": "20MHz", "traffic": "iperf_udp", "duration": "30s"},
                {"channel": 11, "bandwidth": "20MHz", "traffic": "idle", "duration": "30s"},
            ],
        }
    ],
    "recorder": {
        "device": "usrp_b210",
        "center_freq": "2.45GHz",
        "sample_rate": "20MHz",
        "gain": "40dB",
    },
    "qa": {"snr_threshold": "10dB", "min_duration": "25s", "flag_for_review": True},
    "output": {"format": "sigmf", "path": "/tmp/test_campaign"},
}


# ---------------------------------------------------------------------------
# ria campaign --help
# ---------------------------------------------------------------------------


class TestCampaignHelp:
    def test_campaign_help(self):
        runner = CliRunner()
        result = runner.invoke(cli, ["campaign", "--help"])
        assert result.exit_code == 0
        assert "campaign" in result.output.lower()

    def test_subcommands_listed(self):
        runner = CliRunner()
        result = runner.invoke(cli, ["campaign", "--help"])
        assert result.exit_code == 0
        for sub in ("validate", "enroll", "run"):
            assert sub in result.output

    def test_validate_help(self):
        runner = CliRunner()
        result = runner.invoke(cli, ["campaign", "validate", "--help"])
        assert result.exit_code == 0

    def test_enroll_help(self):
        runner = CliRunner()
        result = runner.invoke(cli, ["campaign", "enroll", "--help"])
        assert result.exit_code == 0

    def test_run_help(self):
        runner = CliRunner()
        result = runner.invoke(cli, ["campaign", "run", "--help"])
        assert result.exit_code == 0


# ---------------------------------------------------------------------------
# ria campaign validate
# ---------------------------------------------------------------------------


class TestCampaignValidate:
    def test_validate_device_profile(self):
        path = _write_yaml(WIFI_PROFILE)
        try:
            runner = CliRunner()
            result = runner.invoke(cli, ["campaign", "validate", "--config", path, "--profile"])
            assert result.exit_code == 0
            assert "✓" in result.output or "valid" in result.output.lower()
        finally:
            os.unlink(path)

    def test_validate_shows_campaign_name(self):
        path = _write_yaml(WIFI_PROFILE)
        try:
            runner = CliRunner()
            result = runner.invoke(cli, ["campaign", "validate", "--config", path, "--profile"])
            assert "enroll_iphone13_wifi_001" in result.output
        finally:
            os.unlink(path)

    def test_validate_shows_step_count(self):
        path = _write_yaml(WIFI_PROFILE)
        try:
            runner = CliRunner()
            result = runner.invoke(cli, ["campaign", "validate", "--config", path, "--profile"])
            assert "9" in result.output  # 9 total steps
        finally:
            os.unlink(path)

    def test_validate_shows_capture_time(self):
        path = _write_yaml(WIFI_PROFILE)
        try:
            runner = CliRunner()
            result = runner.invoke(cli, ["campaign", "validate", "--config", path, "--profile"])
            assert "270" in result.output  # 270s total
        finally:
            os.unlink(path)

    def test_validate_full_campaign(self):
        path = _write_yaml(FULL_CAMPAIGN)
        try:
            runner = CliRunner()
            result = runner.invoke(cli, ["campaign", "validate", "--config", path])
            assert result.exit_code == 0
            assert "wifi_capture_001" in result.output
        finally:
            os.unlink(path)

    def test_validate_shows_steps(self):
        path = _write_yaml(WIFI_PROFILE)
        try:
            runner = CliRunner()
            result = runner.invoke(cli, ["campaign", "validate", "--config", path, "--profile"])
            assert "ch01_20mhz_idle" in result.output
            assert "ch06_20mhz_ping" in result.output
            assert "ch11_20mhz_iperf_udp" in result.output
        finally:
            os.unlink(path)

    def test_validate_missing_file(self):
        runner = CliRunner()
        result = runner.invoke(cli, ["campaign", "validate", "--config", "/nonexistent/file.yml"])
        assert result.exit_code != 0

    def test_validate_bad_yaml(self):
        with tempfile.NamedTemporaryFile(mode="w", suffix=".yml", delete=False) as f:
            f.write(": broken yaml [\n")
            path = f.name
        try:
            runner = CliRunner()
            result = runner.invoke(cli, ["campaign", "validate", "--config", path])
            assert result.exit_code != 0
        finally:
            os.unlink(path)


# ---------------------------------------------------------------------------
# ria campaign enroll --dry-run
# ---------------------------------------------------------------------------


class TestCampaignEnrollDryRun:
    def test_dry_run_exits_cleanly(self):
        path = _write_yaml(WIFI_PROFILE)
        try:
            runner = CliRunner()
            result = runner.invoke(cli, ["campaign", "enroll", "--config", path, "--dry-run"])
            assert result.exit_code == 0
        finally:
            os.unlink(path)

    def test_dry_run_shows_campaign_info(self):
        path = _write_yaml(WIFI_PROFILE)
        try:
            runner = CliRunner()
            result = runner.invoke(cli, ["campaign", "enroll", "--config", path, "--dry-run"])
            assert "enroll_iphone13_wifi_001" in result.output
            assert "9" in result.output
        finally:
            os.unlink(path)

    def test_dry_run_does_not_capture(self):
        """Dry run should not create any output files."""
        path = _write_yaml(WIFI_PROFILE)
        try:
            runner = CliRunner()
            with tempfile.TemporaryDirectory() as tmpdir:
                runner.invoke(
                    cli,
                    ["campaign", "enroll", "--config", path, "--output", tmpdir, "--dry-run"],
                )
                # No .sigmf-data files should have been created
                sigmf_files = list(os.walk(tmpdir))
                all_files = [f for _, _, files in sigmf_files for f in files]
                assert not any(f.endswith(".sigmf-data") for f in all_files)
        finally:
            os.unlink(path)

    def test_dry_run_output_override(self):
        path = _write_yaml(WIFI_PROFILE)
        try:
            runner = CliRunner()
            result = runner.invoke(
                cli,
                ["campaign", "enroll", "--config", path, "--output", "/tmp/custom_out", "--dry-run"],
            )
            assert result.exit_code == 0
            assert "Dry run" in result.output
        finally:
            os.unlink(path)


# ---------------------------------------------------------------------------
# ria campaign run --dry-run
# ---------------------------------------------------------------------------


class TestCampaignRunDryRun:
    def test_dry_run_exits_cleanly(self):
        path = _write_yaml(FULL_CAMPAIGN)
        try:
            runner = CliRunner()
            result = runner.invoke(cli, ["campaign", "run", "--config", path, "--dry-run"])
            assert result.exit_code == 0
        finally:
            os.unlink(path)

    def test_dry_run_shows_campaign_name(self):
        path = _write_yaml(FULL_CAMPAIGN)
        try:
            runner = CliRunner()
            result = runner.invoke(cli, ["campaign", "run", "--config", path, "--dry-run"])
            assert "wifi_capture_001" in result.output
        finally:
            os.unlink(path)

    def test_dry_run_does_not_create_report(self):
        path = _write_yaml(FULL_CAMPAIGN)
        try:
            runner = CliRunner()
            with tempfile.TemporaryDirectory() as tmpdir:
                report_path = os.path.join(tmpdir, "qa_report.json")
                result = runner.invoke(
                    cli,
                    ["campaign", "run", "--config", path, "--dry-run", "--report", report_path],
                )
                assert result.exit_code == 0
                assert not os.path.exists(report_path)
        finally:
            os.unlink(path)

    def test_missing_config_fails(self):
        runner = CliRunner()
        result = runner.invoke(cli, ["campaign", "run", "--config", "/nonexistent.yml"])
        assert result.exit_code != 0