"""Tests for bootstrap planning."""

import inspect

import pytest

from flow.core.errors import ConfigError
from flow.domain.bootstrap.models import Profile
from flow.domain.bootstrap.planning import parse_profile, plan_bootstrap


class TestParseProfile:
    def test_basic(self):
        raw = {
            "os": "linux",
            "hostname": "dev-box",
            "shell": "zsh",
            "packages": ["fd", "ripgrep"],
        }
        profile = parse_profile("work", raw)
        assert profile.name == "work"
        assert profile.os == "linux"
        assert profile.hostname == "dev-box"
        assert profile.shell == "zsh"
        assert len(profile.packages) == 2

    def test_missing_os_raises(self):
        with pytest.raises(ConfigError, match=r"Profile 'minimal': required field 'os' is missing"):
            parse_profile("minimal", {})

    def test_optional_fields_default(self):
        profile = parse_profile("minimal", {"os": "linux"})
        assert profile.os == "linux"
        assert profile.hostname is None
        assert profile.packages == ()

    def test_ssh_keys(self):
        raw = {"os": "linux", "ssh-keys": [{"path": "~/.ssh/id_ed25519", "type": "ed25519"}]}
        profile = parse_profile("test", raw)
        assert len(profile.ssh_keys) == 1

    def test_ssh_keys_with_filename(self):
        raw = {"os": "linux", "ssh-keys": [{"filename": "id_work", "type": "ed25519"}]}
        profile = parse_profile("test", raw)
        assert profile.ssh_keys[0]["path"] == "~/.ssh/id_work"

    def test_env_required(self):
        profile = parse_profile("test", {"os": "linux", "env-required": ["USER_EMAIL"]})
        assert profile.env_required == ("USER_EMAIL",)

    def test_post_link_and_dotfiles_profile(self):
        profile = parse_profile(
            "test",
            {"os": "linux", "dotfiles-profile": "linux-work", "post-link": "echo done"},
        )
        assert profile.dotfiles_profile == "linux-work"
        assert profile.post_link == "echo done"


class TestPlanBootstrap:
    def test_env_is_required_keyword(self):
        sig = inspect.signature(plan_bootstrap)
        param = sig.parameters["env"]
        assert param.default is inspect.Parameter.empty

    def test_basic_plan(self):
        profile = Profile(
            name="test", os="linux",
            hostname="my-host", locale="en_US.UTF-8",
            shell="zsh", ssh_keys=[], runcmd=[],
            packages=["fd"], env_required=[],
        )
        manifest = {"packages": [{"name": "fd", "type": "pkg"}]}
        plan = plan_bootstrap(profile, manifest, env={})
        assert plan.profile == "test"
        assert plan.total_steps > 0
        phases = [a.phase for a in plan.actions]
        assert "setup" in phases
        assert "packages" in phases
        assert "dotfiles" in phases

    def test_missing_env_raises(self):
        profile = Profile(
            name="test", os="linux",
            hostname=None, locale=None, shell=None,
            ssh_keys=[], runcmd=[], packages=[],
            env_required=["REQUIRED_VAR"],
        )
        with pytest.raises(ConfigError, match="REQUIRED_VAR"):
            plan_bootstrap(profile, {}, env={})

    def test_runcmd_produces_action(self):
        profile = Profile(
            name="test", os="linux",
            hostname=None, locale=None, shell=None,
            ssh_keys=[], runcmd=["echo hello", "echo world"],
            packages=[], env_required=[],
        )
        plan = plan_bootstrap(profile, {}, env={})
        runcmd_actions = [a for a in plan.actions if "custom command" in a.description.lower()]
        assert len(runcmd_actions) == 1

    def test_post_link_produces_action(self):
        profile = Profile(
            name="test", os="linux",
            hostname=None, locale=None, shell=None,
            ssh_keys=[], runcmd=[], packages=[], env_required=[],
            post_link="echo done",
        )
        plan = plan_bootstrap(profile, {}, env={})
        assert any(action.phase == "post-link" for action in plan.actions)

    def test_ssh_keys_action(self):
        profile = Profile(
            name="test", os="linux",
            hostname=None, locale=None, shell=None,
            ssh_keys=[{"path": "~/.ssh/id", "type": "ed25519"}],
            runcmd=[], packages=[], env_required=[],
        )
        plan = plan_bootstrap(profile, {}, env={})
        ssh_actions = [a for a in plan.actions if "SSH" in a.description]
        assert len(ssh_actions) == 1