from __future__ import annotations


DEFAULT_STATUS_LABELS = {
    "open": "исполняет роль",
    "backstage": "в закулисье",
    "delay": "задержки",
    "rest": "антракт",
}


def build_channel_text(config: dict, state: dict) -> str:
    parts: list[str] = []

    header = config.get("header", "").strip()
    if header:
        parts.append(header)

    intro_links = config.get("intro_links", "").strip()
    if intro_links:
        parts.append(intro_links)

    projects = config.get("projects_block", "").strip()
    if projects:
        parts.append(projects)

    actors_title = config.get("actors_title", "").strip()
    if actors_title:
        parts.append(actors_title)

    actor_lines: list[str] = []
    actor_state = state.get("actors", {})
    status_labels = {**DEFAULT_STATUS_LABELS, **config.get("status_labels", {})}
    for actor in config["actors"]:
        current = actor_state.get(actor["key"], {})
        status = current.get("status", actor.get("default_status", "backstage"))
        phrase = current.get("phrase", actor.get("phrases", {}).get(status, ""))
        label = status_labels.get(status, status)

        line = (
            f'{actor["emoji"]} {actor["display_name"]} ({actor["link"]}) '
            f'{actor["pronouns"]} {label}.'
        )
        if phrase:
            line = f"{line}\n   {phrase}"
        actor_lines.append(line)

    parts.append("\n".join(actor_lines))

    legend = config.get("legend", "").strip()
    if legend:
        parts.append(legend)

    footer = config.get("footer", "").strip()
    if footer:
        parts.append(footer)

    return "\n\n".join(part for part in parts if part)