from __future__ import annotations

from fastapi import APIRouter
from pydantic import BaseModel

from app.services.agent_control import AgentControlService
from app.services.project_activity import ProjectActivityService

router = APIRouter(prefix="/api/agent-control", tags=["agent-control"])
_service = AgentControlService()
_activity = ProjectActivityService()


def _effective(record: dict) -> str:
    return record.get("manual_text") or record.get("inferred_text") or record.get("default_text", "")


def _profile_response(project_id: str):
    profile = _service.get_profile(project_id)
    return {
        **profile,
        "student": {**profile["student"], "text": _effective(profile["student"])},
        "project": {**profile["project"], "text": _effective(profile["project"])},
    }


def _skills_response(project_id: str):
    raw = _service.get_skills(project_id)
    skills = []
    for agent_id, record in raw.get("skills", {}).items():
        skills.append({
            "id": agent_id,
            "agent_id": agent_id,
            "title": agent_id.replace("_", " ").title(),
            "procedure": _effective(record),
            **record,
        })
    return {**raw, "skills": skills, "skills_by_id": raw.get("skills", {})}


class ProfileUpdateRequest(BaseModel):
    project_id: str
    scope: str = "student"
    text: str
    source: str = "manual"


class SkillUpdateRequest(BaseModel):
    project_id: str
    text: str = ""
    procedure: str = ""
    source: str = "manual"


class ResetRequest(BaseModel):
    project_id: str
    scope: str = "all"


class PreviewRequest(BaseModel):
    project_id: str
    agent_id: str = "tutor"


@router.get("/profile")
def get_profile(project_id: str):
    return _profile_response(project_id)


@router.put("/profile")
def update_profile(req: ProfileUpdateRequest):
    scope = "project" if req.scope == "project" else "student"
    source = "inferred" if req.source == "inferred" else "manual"
    _service.update_profile(req.project_id, scope=scope, text=req.text, source=source)
    _activity.record(req.project_id, "settings", f"ResearchMate Settings saved {scope} profile")
    return _profile_response(req.project_id)


@router.get("/skills")
def get_skills(project_id: str):
    return _skills_response(project_id)


@router.put("/skills/{skill_id}")
def update_skill(skill_id: str, req: SkillUpdateRequest):
    source = "inferred" if req.source == "inferred" else "manual"
    _service.update_skill(req.project_id, skill_id, req.procedure or req.text, source=source)
    _activity.record(req.project_id, "settings", f"ResearchMate Settings saved {skill_id} skill")
    return _skills_response(req.project_id)


@router.get("/evolution")
def get_evolution(project_id: str):
    return {"project_id": project_id, "items": _service.get_evolution(project_id)}


@router.post("/reset")
def reset(req: ResetRequest):
    result = _service.reset(req.project_id, scope=req.scope)
    _activity.record(req.project_id, "settings", f"ResearchMate Settings reset {req.scope}")
    return result


@router.post("/preview")
def preview(req: PreviewRequest):
    return _service.preview(req.project_id, agent_id=req.agent_id)