"""Plan/Ist & Journey API — AP1.6."""

from __future__ import annotations

from capabilities import require_capability
from fastapi import APIRouter, Depends, HTTPException
from services import plan_ist as plan_ist_service
from tenant_context import TenantContext

initiative_router = APIRouter(prefix="/api/initiatives", tags=["journey"])
roadmap_router = APIRouter(prefix="/api/roadmap-items", tags=["journey"])


@initiative_router.get("/{initiative_id}/journey")
def list_initiative_journey(
    initiative_id: str,
    ctx: TenantContext = Depends(require_capability("kairo.initiative.read")),
):
    try:
        events = plan_ist_service.list_journey_events(
            tenant_id=ctx.tenant_id, initiative_id=initiative_id
        )
    except ValueError as exc:
        detail = str(exc)
        if detail == "Initiative nicht gefunden":
            raise HTTPException(status_code=404, detail=detail) from exc
        raise HTTPException(status_code=400, detail=detail) from exc
    return {"events": events}


@roadmap_router.get("/{roadmap_item_id}/contributions")
def list_gate_contributions(
    roadmap_item_id: str,
    ctx: TenantContext = Depends(require_capability("kairo.milestone.read")),
):
    try:
        return plan_ist_service.list_gate_contributions(
            tenant_id=ctx.tenant_id, roadmap_item_id=roadmap_item_id
        )
    except ValueError as exc:
        detail = str(exc)
        if detail == "Gate nicht gefunden":
            raise HTTPException(status_code=404, detail=detail) from exc
        raise HTTPException(status_code=400, detail=detail) from exc