"""协作域路由（WP-12）。"""

from typing import Annotated, Any

from fastapi import APIRouter, Depends, HTTPException, Request, status

from app.auth.dependencies import get_current_user, require_state_change
from app.conversations.routes import _domain_of
from app.db.session import DbSession
from app.models import PersonalDomain, User
from app.workspaces import service

router = APIRouter(prefix="/v1/workspaces", tags=["workspaces"])


def _member_out(m: Any) -> dict[str, Any]:
    return {
        "id": m.id,
        "workspace_id": m.workspace_id,
        "member_domain_id": m.member_domain_id,
        "role": m.role,
        "created_at": m.created_at.isoformat(),
    }


def _project_out(p: Any) -> dict[str, Any]:
    return {
        "id": p.id,
        "workspace_id": p.workspace_id,
        "name": p.name,
        "status": p.status,
        "current_version_id": p.current_version_id,
        "created_at": p.created_at.isoformat(),
    }


def _version_out(v: Any) -> dict[str, Any]:
    return {
        "id": v.id,
        "project_id": v.project_id,
        "version": v.version,
        "payload": v.payload,
        "status": v.status,
        "submitted_by": v.submitted_by,
        "reviewed_by": v.reviewed_by,
        "created_at": v.created_at.isoformat(),
    }


@router.post("", status_code=201)
async def create_workspace(
    db: DbSession,
    user: Annotated[User, Depends(require_state_change)],
    request: Request,
    body: dict[str, str],
) -> dict[str, Any]:
    domain = await _domain_of(db, user)
    ws = await service.create_workspace(
        db, domain.id, body.get("name", ""), getattr(request.state, "trace_id", None)
    )
    return {"id": ws.id, "name": ws.name, "owner_domain_id": ws.owner_domain_id}


@router.post("/{workspace_id}/invitations", status_code=201)
async def invite(
    workspace_id: str,
    db: DbSession,
    user: Annotated[User, Depends(require_state_change)],
    request: Request,
    body: dict[str, str],
) -> dict[str, Any]:
    domain = await _domain_of(db, user)
    invitee = await db.get(PersonalDomain, body.get("invitee_domain_id", ""))
    if invitee is None:
        raise HTTPException(status.HTTP_404_NOT_FOUND, "被邀用户不存在")
    invitation = await service.invite(
        db, domain.id, workspace_id, invitee.id, body.get("role", "editor"),
        getattr(request.state, "trace_id", None),
    )
    return {"id": invitation.id, "status": invitation.status, "role": invitation.role}


@router.post("/invitations/{invitation_id}/acceptances", status_code=201)
async def accept(
    invitation_id: str,
    db: DbSession,
    user: Annotated[User, Depends(require_state_change)],
    request: Request,
) -> dict[str, Any]:
    domain = await _domain_of(db, user)
    member = await service.accept_invitation(
        db, domain.id, invitation_id, getattr(request.state, "trace_id", None)
    )
    return _member_out(member)


@router.get("/{workspace_id}/members")
async def list_members(
    workspace_id: str,
    db: DbSession,
    user: Annotated[User, Depends(get_current_user)],
) -> dict[str, Any]:
    domain = await _domain_of(db, user)
    rows = await service.list_members(db, domain.id, workspace_id)
    return {"data": [_member_out(m) for m in rows]}


@router.delete("/{workspace_id}/members/{member_id}", status_code=204)
async def remove_member(
    workspace_id: str,
    member_id: str,
    db: DbSession,
    user: Annotated[User, Depends(require_state_change)],
    request: Request,
) -> None:
    domain = await _domain_of(db, user)
    await service.remove_member(
        db, domain.id, workspace_id, member_id, getattr(request.state, "trace_id", None)
    )


@router.post("/{workspace_id}/projects", status_code=201)
async def create_project(
    workspace_id: str,
    db: DbSession,
    user: Annotated[User, Depends(require_state_change)],
    request: Request,
    body: dict[str, str],
) -> dict[str, Any]:
    domain = await _domain_of(db, user)
    project = await service.create_project(
        db, domain.id, workspace_id, body.get("name", ""),
        getattr(request.state, "trace_id", None),
    )
    return _project_out(project)


@router.post("/projects/{project_id}/versions", status_code=201)
async def submit_version(
    project_id: str,
    db: DbSession,
    user: Annotated[User, Depends(require_state_change)],
    request: Request,
    body: dict[str, Any],
) -> dict[str, Any]:
    domain = await _domain_of(db, user)
    version = await service.submit_version(
        db, domain.id, project_id, body.get("payload", {}),
        getattr(request.state, "trace_id", None),
    )
    return _version_out(version)


@router.post("/project-versions/{version_id}/reviews", status_code=201)
async def review_version(
    version_id: str,
    db: DbSession,
    user: Annotated[User, Depends(require_state_change)],
    request: Request,
    body: dict[str, bool],
) -> dict[str, Any]:
    domain = await _domain_of(db, user)
    version = await service.review_version(
        db, domain.id, version_id, bool(body.get("approve")),
        getattr(request.state, "trace_id", None),
    )
    return _version_out(version)


@router.post("/projects/{project_id}/publications", status_code=200)
async def publish(
    project_id: str,
    db: DbSession,
    user: Annotated[User, Depends(require_state_change)],
    request: Request,
) -> dict[str, Any]:
    domain = await _domain_of(db, user)
    project = await service.publish_project(
        db, domain.id, project_id, getattr(request.state, "trace_id", None)
    )
    return _project_out(project)