"""Tests for core/context_builder.py — context assembly per role."""

import pytest
from core.db import init_db
from core import models
from core.context_builder import build_context, format_prompt


@pytest.fixture
def conn():
    c = init_db(":memory:")
    # Seed project, modules, decisions, tasks
    models.create_project(c, "vdol", "ВДОЛЬ и ПОПЕРЕК", "~/projects/vdolipoperek",
                          tech_stack=["vue3", "typescript", "nodejs"])
    models.add_module(c, "vdol", "search", "frontend", "src/search/")
    models.add_module(c, "vdol", "api", "backend", "src/api/")
    models.add_decision(c, "vdol", "gotcha", "Safari bug",
                        "position:fixed breaks", category="ui", tags=["ios"])
    models.add_decision(c, "vdol", "workaround", "API rate limit",
                        "10 req/s max", category="api")
    models.add_decision(c, "vdol", "convention", "Use WAL mode",
                        "Always use WAL for SQLite", category="architecture")
    models.add_decision(c, "vdol", "decision", "Auth required",
                        "All endpoints need auth", category="security")
    models.create_task(c, "VDOL-001", "vdol", "Fix search filters",
                       brief={"module": "search", "route_type": "debug"})
    models.create_task(c, "VDOL-002", "vdol", "Add payments",
                       status="in_progress")
    yield c
    c.close()


class TestBuildContext:
    def test_pm_gets_everything(self, conn):
        ctx = build_context(conn, "VDOL-001", "pm", "vdol")
        assert ctx["task"]["id"] == "VDOL-001"
        assert ctx["project"]["id"] == "vdol"
        assert len(ctx["modules"]) == 2
        assert len(ctx["decisions"]) == 4  # all decisions
        assert len(ctx["active_tasks"]) == 1  # VDOL-002 in_progress
        assert "pm" in ctx["available_specialists"]

    def test_architect_gets_all_decisions_and_modules(self, conn):
        ctx = build_context(conn, "VDOL-001", "architect", "vdol")
        assert len(ctx["modules"]) == 2
        assert len(ctx["decisions"]) == 4

    def test_debugger_gets_only_gotcha_workaround(self, conn):
        ctx = build_context(conn, "VDOL-001", "debugger", "vdol")
        types = {d["type"] for d in ctx["decisions"]}
        assert types <= {"gotcha", "workaround"}
        assert "convention" not in types
        assert "decision" not in types
        assert ctx["module_hint"] == "search"

    def test_frontend_dev_gets_gotcha_workaround_convention(self, conn):
        ctx = build_context(conn, "VDOL-001", "frontend_dev", "vdol")
        types = {d["type"] for d in ctx["decisions"]}
        assert "gotcha" in types
        assert "workaround" in types
        assert "convention" in types
        assert "decision" not in types  # plain decisions excluded

    def test_backend_dev_same_as_frontend(self, conn):
        ctx = build_context(conn, "VDOL-001", "backend_dev", "vdol")
        types = {d["type"] for d in ctx["decisions"]}
        assert types == {"gotcha", "workaround", "convention"}

    def test_reviewer_gets_only_conventions(self, conn):
        ctx = build_context(conn, "VDOL-001", "reviewer", "vdol")
        types = {d["type"] for d in ctx["decisions"]}
        assert types == {"convention"}

    def test_tester_gets_minimal_context(self, conn):
        ctx = build_context(conn, "VDOL-001", "tester", "vdol")
        assert ctx["task"] is not None
        assert ctx["project"] is not None
        assert "decisions" not in ctx
        assert "modules" not in ctx

    def test_security_gets_security_decisions(self, conn):
        ctx = build_context(conn, "VDOL-001", "security", "vdol")
        categories = {d.get("category") for d in ctx["decisions"]}
        assert categories == {"security"}

    def test_unknown_role_gets_fallback(self, conn):
        ctx = build_context(conn, "VDOL-001", "unknown_role", "vdol")
        assert "decisions" in ctx
        assert len(ctx["decisions"]) > 0


class TestFormatPrompt:
    def test_format_with_template(self, conn):
        ctx = build_context(conn, "VDOL-001", "debugger", "vdol")
        prompt = format_prompt(ctx, "debugger", "You are a debugger. Find bugs.")
        assert "You are a debugger" in prompt
        assert "VDOL-001" in prompt
        assert "Fix search filters" in prompt
        assert "vdol" in prompt
        assert "vue3" in prompt

    def test_format_includes_decisions(self, conn):
        ctx = build_context(conn, "VDOL-001", "debugger", "vdol")
        prompt = format_prompt(ctx, "debugger", "Debug this.")
        assert "Safari bug" in prompt
        assert "API rate limit" in prompt
        # Convention should NOT be here (debugger doesn't get it)
        assert "WAL mode" not in prompt

    def test_format_pm_includes_specialists(self, conn):
        ctx = build_context(conn, "VDOL-001", "pm", "vdol")
        prompt = format_prompt(ctx, "pm", "You are PM.")
        assert "Available specialists" in prompt
        assert "debugger" in prompt
        assert "Active tasks" in prompt
        assert "VDOL-002" in prompt

    def test_format_with_previous_output(self, conn):
        ctx = build_context(conn, "VDOL-001", "tester", "vdol")
        ctx["previous_output"] = "Found race condition in useSearch.ts"
        prompt = format_prompt(ctx, "tester", "Write tests.")
        assert "Previous step output" in prompt
        assert "race condition" in prompt

    def test_format_loads_prompt_file(self, conn):
        ctx = build_context(conn, "VDOL-001", "pm", "vdol")
        prompt = format_prompt(ctx, "pm")  # Should load from agents/prompts/pm.md
        assert "decompose" in prompt.lower() or "pipeline" in prompt.lower()

    def test_format_missing_prompt_file(self, conn):
        ctx = build_context(conn, "VDOL-001", "analyst", "vdol")
        prompt = format_prompt(ctx, "analyst")  # No analyst.md exists
        assert "analyst" in prompt.lower()

    def test_format_includes_language_ru(self, conn):
        ctx = build_context(conn, "VDOL-001", "debugger", "vdol")
        prompt = format_prompt(ctx, "debugger", "Debug.")
        assert "## Language" in prompt
        assert "Russian" in prompt
        assert "ALWAYS respond in Russian" in prompt

    def test_format_includes_language_en(self, conn):
        # Update project language to en
        conn.execute("UPDATE projects SET language='en' WHERE id='vdol'")
        conn.commit()
        ctx = build_context(conn, "VDOL-001", "debugger", "vdol")
        prompt = format_prompt(ctx, "debugger", "Debug.")
        assert "ALWAYS respond in English" in prompt


class TestLanguageInProject:
    def test_project_has_language_default(self, conn):
        p = models.get_project(conn, "vdol")
        assert p["language"] == "ru"

    def test_create_project_with_language(self, conn):
        p = models.create_project(conn, "en-proj", "English Project", "/en",
                                  language="en")
        assert p["language"] == "en"

    def test_context_carries_language(self, conn):
        ctx = build_context(conn, "VDOL-001", "pm", "vdol")
        assert ctx["project"]["language"] == "ru"


# ---------------------------------------------------------------------------
# KIN-045: Revise context — revise_comment + last agent output injection
# ---------------------------------------------------------------------------

class TestReviseContext:
    """build_context и format_prompt корректно инжектируют контекст ревизии."""

    def test_build_context_includes_revise_comment_in_task(self, conn):
        """Если у задачи есть revise_comment, он попадает в ctx['task']."""
        conn.execute(
            "UPDATE tasks SET revise_comment=? WHERE id='VDOL-001'",
            ("Доисследуй edge case с пустым массивом",),
        )
        conn.commit()
        ctx = build_context(conn, "VDOL-001", "backend_dev", "vdol")
        assert ctx["task"]["revise_comment"] == "Доисследуй edge case с пустым массивом"

    def test_build_context_fetches_last_agent_output_when_revise_comment_set(self, conn):
        """При revise_comment build_context достаёт last_agent_output из agent_logs."""
        from core import models
        models.log_agent_run(
            conn, "vdol", "developer", "execute",
            task_id="VDOL-001",
            output_summary="Реализован endpoint POST /api/items",
            success=True,
        )
        conn.execute(
            "UPDATE tasks SET revise_comment=? WHERE id='VDOL-001'",
            ("Добавь валидацию входных данных",),
        )
        conn.commit()
        ctx = build_context(conn, "VDOL-001", "backend_dev", "vdol")
        assert ctx.get("last_agent_output") == "Реализован endpoint POST /api/items"

    def test_build_context_no_last_agent_output_when_no_successful_logs(self, conn):
        """revise_comment есть, но нет успешных логов — last_agent_output отсутствует."""
        from core import models
        models.log_agent_run(
            conn, "vdol", "developer", "execute",
            task_id="VDOL-001",
            output_summary="Permission denied",
            success=False,
        )
        conn.execute(
            "UPDATE tasks SET revise_comment=? WHERE id='VDOL-001'",
            ("Повтори без ошибок",),
        )
        conn.commit()
        ctx = build_context(conn, "VDOL-001", "backend_dev", "vdol")
        assert "last_agent_output" not in ctx

    def test_build_context_no_revise_fields_when_no_revise_comment(self, conn):
        """Обычная задача без revise_comment не получает last_agent_output в контексте."""
        from core import models
        models.log_agent_run(
            conn, "vdol", "developer", "execute",
            task_id="VDOL-001",
            output_summary="Всё готово",
            success=True,
        )
        # revise_comment не устанавливаем
        ctx = build_context(conn, "VDOL-001", "backend_dev", "vdol")
        assert "last_agent_output" not in ctx
        assert ctx["task"].get("revise_comment") is None

    def test_format_prompt_includes_director_revision_request(self, conn):
        """format_prompt содержит секцию '## Director's revision request:' при revise_comment."""
        conn.execute(
            "UPDATE tasks SET revise_comment=? WHERE id='VDOL-001'",
            ("Обработай случай пустого списка",),
        )
        conn.commit()
        ctx = build_context(conn, "VDOL-001", "backend_dev", "vdol")
        prompt = format_prompt(ctx, "backend_dev", "You are a developer.")
        assert "## Director's revision request:" in prompt
        assert "Обработай случай пустого списка" in prompt

    def test_format_prompt_includes_previous_output_before_revision(self, conn):
        """format_prompt содержит '## Your previous output (before revision):' при last_agent_output."""
        from core import models
        models.log_agent_run(
            conn, "vdol", "developer", "execute",
            task_id="VDOL-001",
            output_summary="Сделал миграцию БД",
            success=True,
        )
        conn.execute(
            "UPDATE tasks SET revise_comment=? WHERE id='VDOL-001'",
            ("Ещё добавь индекс",),
        )
        conn.commit()
        ctx = build_context(conn, "VDOL-001", "backend_dev", "vdol")
        prompt = format_prompt(ctx, "backend_dev", "You are a developer.")
        assert "## Your previous output (before revision):" in prompt
        assert "Сделал миграцию БД" in prompt

    def test_format_prompt_no_revision_sections_when_no_revise_comment(self, conn):
        """Без revise_comment в prompt нет секций ревизии."""
        ctx = build_context(conn, "VDOL-001", "backend_dev", "vdol")
        prompt = format_prompt(ctx, "backend_dev", "You are a developer.")
        assert "## Director's revision request:" not in prompt
        assert "## Your previous output (before revision):" not in prompt


# ---------------------------------------------------------------------------
# KIN-071: project_type and SSH context
# ---------------------------------------------------------------------------

class TestOperationsProject:
    """KIN-071: operations project_type propagates to context and prompt."""

    @pytest.fixture
    def ops_conn(self):
        c = init_db(":memory:")
        models.create_project(
            c, "srv", "My Server", "",
            project_type="operations",
            ssh_host="10.0.0.1",
            ssh_user="root",
            ssh_key_path="~/.ssh/id_rsa",
            ssh_proxy_jump="jumpt",
        )
        models.create_task(c, "SRV-001", "srv", "Scan server")
        yield c
        c.close()

    def test_slim_project_includes_project_type(self, ops_conn):
        """KIN-071: _slim_project включает project_type."""
        ctx = build_context(ops_conn, "SRV-001", "sysadmin", "srv")
        assert ctx["project"]["project_type"] == "operations"

    def test_slim_project_includes_ssh_fields_for_operations(self, ops_conn):
        """KIN-071: _slim_project включает ssh_* поля для operations-проектов."""
        ctx = build_context(ops_conn, "SRV-001", "sysadmin", "srv")
        proj = ctx["project"]
        assert proj["ssh_host"] == "10.0.0.1"
        assert proj["ssh_user"] == "root"
        assert proj["ssh_key_path"] == "~/.ssh/id_rsa"
        assert proj["ssh_proxy_jump"] == "jumpt"

    def test_slim_project_no_ssh_fields_for_development(self):
        """KIN-071: development-проект не получает ssh_* в slim."""
        c = init_db(":memory:")
        models.create_project(c, "dev", "Dev", "/path")
        models.create_task(c, "DEV-001", "dev", "A task")
        ctx = build_context(c, "DEV-001", "backend_dev", "dev")
        assert "ssh_host" not in ctx["project"]
        c.close()

    def test_sysadmin_context_gets_decisions_and_modules(self, ops_conn):
        """KIN-071: sysadmin роль получает все decisions и modules."""
        models.add_module(ops_conn, "srv", "nginx", "service", "/etc/nginx")
        models.add_decision(ops_conn, "srv", "gotcha", "Port 80 in use", "conflict")
        ctx = build_context(ops_conn, "SRV-001", "sysadmin", "srv")
        assert "decisions" in ctx
        assert "modules" in ctx
        assert len(ctx["modules"]) == 1

    def test_format_prompt_includes_ssh_connection_section(self, ops_conn):
        """KIN-071: format_prompt добавляет '## SSH Connection' для operations."""
        ctx = build_context(ops_conn, "SRV-001", "sysadmin", "srv")
        prompt = format_prompt(ctx, "sysadmin", "You are sysadmin.")
        assert "## SSH Connection" in prompt
        assert "10.0.0.1" in prompt
        assert "root" in prompt
        assert "jumpt" in prompt

    def test_format_prompt_no_ssh_section_for_development(self):
        """KIN-071: development-проект не получает SSH-секцию в prompt."""
        c = init_db(":memory:")
        models.create_project(c, "dev", "Dev", "/path")
        models.create_task(c, "DEV-001", "dev", "A task")
        ctx = build_context(c, "DEV-001", "backend_dev", "dev")
        prompt = format_prompt(ctx, "backend_dev", "You are a dev.")
        assert "## SSH Connection" not in prompt
        c.close()

    def test_format_prompt_includes_project_type(self, ops_conn):
        """KIN-071: format_prompt включает Project type в секцию проекта."""
        ctx = build_context(ops_conn, "SRV-001", "sysadmin", "srv")
        prompt = format_prompt(ctx, "sysadmin", "You are sysadmin.")
        assert "Project type: operations" in prompt


# ---------------------------------------------------------------------------
# KIN-071: PM routing — operations project routes PM to infra_* pipelines
# ---------------------------------------------------------------------------

class TestPMRoutingOperations:
    """PM-контекст для operations-проекта должен содержать infra-маршруты,
    не включающие architect/frontend_dev."""

    @pytest.fixture
    def ops_conn(self):
        c = init_db(":memory:")
        models.create_project(
            c, "srv", "My Server", "",
            project_type="operations",
            ssh_host="10.0.0.1",
            ssh_user="root",
        )
        models.create_task(c, "SRV-001", "srv", "Scan server")
        yield c
        c.close()

    def test_pm_context_has_operations_project_type(self, ops_conn):
        """PM получает project_type=operations в контексте проекта."""
        ctx = build_context(ops_conn, "SRV-001", "pm", "srv")
        assert ctx["project"]["project_type"] == "operations"

    def test_pm_context_has_infra_scan_route(self, ops_conn):
        """PM-контекст содержит маршрут infra_scan из specialists.yaml."""
        ctx = build_context(ops_conn, "SRV-001", "pm", "srv")
        assert "infra_scan" in ctx["routes"]

    def test_pm_context_has_infra_debug_route(self, ops_conn):
        """PM-контекст содержит маршрут infra_debug из specialists.yaml."""
        ctx = build_context(ops_conn, "SRV-001", "pm", "srv")
        assert "infra_debug" in ctx["routes"]

    def test_infra_scan_route_uses_sysadmin(self, ops_conn):
        """infra_scan маршрут включает sysadmin в шагах."""
        ctx = build_context(ops_conn, "SRV-001", "pm", "srv")
        steps = ctx["routes"]["infra_scan"]["steps"]
        assert "sysadmin" in steps

    def test_infra_scan_route_excludes_architect(self, ops_conn):
        """infra_scan маршрут не назначает architect."""
        ctx = build_context(ops_conn, "SRV-001", "pm", "srv")
        steps = ctx["routes"]["infra_scan"]["steps"]
        assert "architect" not in steps

    def test_infra_scan_route_excludes_frontend_dev(self, ops_conn):
        """infra_scan маршрут не назначает frontend_dev."""
        ctx = build_context(ops_conn, "SRV-001", "pm", "srv")
        steps = ctx["routes"]["infra_scan"]["steps"]
        assert "frontend_dev" not in steps

    def test_format_prompt_pm_operations_project_type_label(self, ops_conn):
        """format_prompt для PM с operations-проектом содержит 'Project type: operations'."""
        ctx = build_context(ops_conn, "SRV-001", "pm", "srv")
        prompt = format_prompt(ctx, "pm", "You are PM.")
        assert "Project type: operations" in prompt


# ---------------------------------------------------------------------------
# KIN-090: Attachments — context builder includes attachment paths
# ---------------------------------------------------------------------------

class TestAttachmentsInContext:
    """KIN-090: AC2 — агенты получают пути к вложениям в контексте задачи."""

    @pytest.fixture
    def conn_with_attachments(self):
        c = init_db(":memory:")
        models.create_project(c, "prj", "Project", "/tmp/prj")
        models.create_task(c, "PRJ-001", "prj", "Fix bug")
        models.create_attachment(
            c, "PRJ-001", "screenshot.png",
            "/tmp/prj/.kin/attachments/PRJ-001/screenshot.png",
            "image/png", 1024,
        )
        models.create_attachment(
            c, "PRJ-001", "mockup.jpg",
            "/tmp/prj/.kin/attachments/PRJ-001/mockup.jpg",
            "image/jpeg", 2048,
        )
        yield c
        c.close()

    def test_build_context_includes_attachments(self, conn_with_attachments):
        """KIN-090: AC2 — build_context включает вложения в контекст для всех ролей."""
        ctx = build_context(conn_with_attachments, "PRJ-001", "debugger", "prj")
        assert "attachments" in ctx
        assert len(ctx["attachments"]) == 2

    def test_build_context_attachments_have_filename_and_path(self, conn_with_attachments):
        """KIN-090: вложения в контексте содержат filename и path."""
        ctx = build_context(conn_with_attachments, "PRJ-001", "debugger", "prj")
        filenames = {a["filename"] for a in ctx["attachments"]}
        paths = {a["path"] for a in ctx["attachments"]}
        assert "screenshot.png" in filenames
        assert "mockup.jpg" in filenames
        assert "/tmp/prj/.kin/attachments/PRJ-001/screenshot.png" in paths

    def test_build_context_no_attachments_key_when_empty(self, conn):
        """KIN-090: ключ 'attachments' отсутствует в контексте, если вложений нет."""
        # conn fixture has no attachments
        ctx = build_context(conn, "VDOL-001", "debugger", "vdol")
        assert "attachments" not in ctx

    def test_all_roles_get_attachments(self, conn_with_attachments):
        """KIN-090: AC2 — все роли (debugger, pm, tester, reviewer) получают вложения."""
        for role in ("debugger", "pm", "tester", "reviewer", "backend_dev", "frontend_dev"):
            ctx = build_context(conn_with_attachments, "PRJ-001", role, "prj")
            assert "attachments" in ctx, f"Role '{role}' did not receive attachments"

    def test_format_prompt_includes_attachments_section(self, conn_with_attachments):
        """KIN-090: format_prompt включает секцию '## Attachments' с именами и путями."""
        ctx = build_context(conn_with_attachments, "PRJ-001", "debugger", "prj")
        prompt = format_prompt(ctx, "debugger", "You are a debugger.")
        assert "## Attachments" in prompt
        assert "screenshot.png" in prompt
        assert "/tmp/prj/.kin/attachments/PRJ-001/screenshot.png" in prompt

    def test_format_prompt_no_attachments_section_when_none(self, conn):
        """KIN-090: format_prompt не добавляет секцию вложений, если их нет."""
        ctx = build_context(conn, "VDOL-001", "debugger", "vdol")
        prompt = format_prompt(ctx, "debugger", "Debug this.")
        assert "## Attachments" not in prompt