"""RESUME_ENRICHING 模块组件事件分发与结构化收集器（竞赛/标签/联系方式）。

记录类模块（RecordFields/ChoiceChips/条目确认/卡内调整）见 enrichment_record_collectors.py。
"""

from __future__ import annotations

from typing import Any

from .enrichment_custom import (
    CUSTOM_MODULES,
    custom_card_picker_transition,
    finish_custom_enrichment,
)
from .enrichment_modules import ENRICHMENT_MODULES, TAG_SEQUENCE, ModuleSpec
from .enrichment_record_collectors import (
    collect_choice,
    collect_record_fields,
    confirm_module_entry,
    edit_module_entry,
)
from .fsm import FSMError, Transition, assistant_turn, component
from .fsm_enrichment import (
    advance_or_finish,
    begin_module,
    current_module,
    defer_enrichment,
    ensure_enrichment_state,
    mark_completed,
    progress_block,
    skip_module,
)
from .models import ComposerMode, Stage
from .validators import competition_entry_errors, normalize_tags


def process_module_event(
    profile: dict[str, Any],
    component_data: dict[str, Any],
    action: str,
    payload: dict[str, Any],
) -> Transition:
    ensure_enrichment_state(profile)
    name = component_data.get("component_name")
    if action in {"defer", "finish_enrichment"}:
        return defer_enrichment(profile)
    if name == "CustomCardPicker":
        return _handle_custom_card_picker(profile, payload)
    spec = current_module(profile)
    if spec is None:
        raise FSMError("no_active_module", "当前没有进行中的完善模块", status_code=409)
    if component_data.get("module") != spec.name:
        raise FSMError("stale_module", "该组件不属于当前模块", status_code=409)
    if action in {"skip", "skip_module"}:
        return skip_module(profile, spec)
    if action in {"edit", "edit_anchor"}:
        return edit_module_entry(profile, spec)
    if name == "ChoiceChips":
        return collect_choice(profile, spec, payload)
    if name == "RecordFields":
        return collect_record_fields(profile, spec, payload)
    if name == "CompetitionFields":
        return _collect_competition(profile, spec, payload)
    if name == "TagsInput":
        return _collect_tags(profile, component_data, spec, payload)
    if name == "ExperienceConfirmCard":
        return confirm_module_entry(profile, spec, payload)
    if name == "AddAnother":
        return _handle_add_another(profile, spec, payload)
    raise FSMError("invalid_component", f"Unsupported module component: {name}", status_code=422)


def _collect_competition(profile: dict[str, Any], spec: ModuleSpec, payload: dict[str, Any]) -> Transition:
    entry = {
        "record_type": "competition",
        "module": spec.name,
        "name": str(payload.get("name") or "").strip(),
        "award": str(payload.get("award") or "").strip(),
        "date": str(payload.get("date") or "").strip(),
        "description": str(payload.get("description") or "").strip() or None,
    }
    errors = competition_entry_errors(entry)
    if errors:
        raise FSMError(
            "invalid_competition", "竞赛信息不完整或格式有误", status_code=422, missing_fields=errors
        )
    profile["enrichment"]["module_draft"] = {"entry": entry}
    transition = Transition(
        Stage.RESUME_ENRICHING,
        profile,
        assistant_turn(
            "请确认这条竞赛记录。",
            [
                progress_block(profile, spec),
                component(
                    "ExperienceConfirmCard",
                    module=spec.name,
                    confirmation_kind="module_entry",
                    title="确认竞赛记录",
                    value={key: entry[key] for key in ("name", "award", "date", "description")},
                    labels={"name": "竞赛名称", "award": "获奖名称", "date": "获奖时间", "description": "经历描述"},
                ),
            ],
            mode=ComposerMode.UI_ONLY,
        ),
    )
    transition.polish_description = True
    return transition


def _handle_add_another(profile: dict[str, Any], spec: ModuleSpec, payload: dict[str, Any]) -> Transition:
    value = str(payload.get("value") or "")
    if value == "again":
        profile["enrichment"]["module_draft"] = {}
        return begin_module(profile, spec)
    if value == "next":
        mark_completed(profile, spec.name)
        if profile["enrichment"].get("custom_mode"):
            return custom_card_picker_transition(profile, refresh=True)
        return advance_or_finish(profile)
    raise FSMError("invalid_action", "请选择再添加一段或进入下一项", status_code=422)


def _handle_custom_card_picker(
    profile: dict[str, Any], payload: dict[str, Any]
) -> Transition:
    value = str(payload.get("value") or payload.get("card_type") or "")
    if value == "finish":
        return finish_custom_enrichment(profile)
    module_name = CUSTOM_MODULES.get(value)
    if module_name is None:
        raise FSMError("invalid_card_type", "请选择列出的简历卡片", status_code=422)
    enrichment = profile["enrichment"]
    enrichment["current"] = module_name
    enrichment["module_draft"] = {}
    enrichment["custom_mode"] = True
    return begin_module(profile, ENRICHMENT_MODULES[module_name])


def _collect_tags(
    profile: dict[str, Any],
    component_data: dict[str, Any],
    spec: ModuleSpec,
    payload: dict[str, Any],
) -> Transition:
    expected = component_data.get("field")
    field = str(payload.get("field") or "")
    if field != expected or field not in TAG_SEQUENCE:
        raise FSMError("invalid_field", "提交字段与当前组件不符", status_code=422)
    profile["tags"][field] = normalize_tags(payload.get("value") or payload.get("values") or [])

    mark_completed(profile, spec.name)
    return advance_or_finish(profile, refresh=True)