"""HTTP mapping for explicit repair workflows."""

from typing import Annotated
from uuid import UUID

from fastapi import APIRouter, Depends, HTTPException, status

from app.identity import require_permission
from app.repairs.dependencies import get_repair_service
from app.repairs.exceptions import (
    ControlBoardReplacementActorRequired,
    InvalidMacAddress,
    RepairActorRequired,
    RepairCompletionActorRequired,
    RepairConflict,
    RepairMinerNotFound,
    RepairNotFound,
)
from app.repairs.models import (
    BeginRepairRequest,
    ControlBoardReplacementRequest,
    ControlBoardReplacementResponse,
    BeginRepairResponse,
    RepairCompleteRequest,
    RepairDetailResponse,
    RepairTimelineResponse,
)
from app.repairs.service import RepairService


router = APIRouter(prefix="/api/repairs", tags=["repairs"])
control_board_router = APIRouter(prefix="/api/miners", tags=["miners"])
require_repair_create = require_permission("repairs.create")
require_repair_read = require_permission("repairs.read")
require_repair_complete = require_permission("repairs.complete")
require_control_board_replace = require_permission("miners.replace_control_board")

RepairServiceDependency = Annotated[
    RepairService,
    Depends(get_repair_service),
]
RepairCreateUser = Annotated[dict, Depends(require_repair_create)]
RepairReadUser = Annotated[dict, Depends(require_repair_read)]
RepairCompleteUser = Annotated[dict, Depends(require_repair_complete)]
ControlBoardReplaceUser = Annotated[dict, Depends(require_control_board_replace)]


@control_board_router.post(
    "/{miner_id}/replace-control-board",
    response_model=ControlBoardReplacementResponse,
)
def replace_control_board(
    miner_id: UUID,
    request: ControlBoardReplacementRequest,
    service: RepairServiceDependency,
    current_user: ControlBoardReplaceUser,
) -> ControlBoardReplacementResponse:
    try:
        result = service.replace_control_board(
            miner_id, request,
            actor_user_id=UUID(str(current_user["id"])),
        )
    except RepairMinerNotFound as exc:
        raise HTTPException(
            status_code=status.HTTP_404_NOT_FOUND, detail="Miner not found"
        ) from exc
    except RepairConflict as exc:
        raise HTTPException(
            status_code=status.HTTP_409_CONFLICT, detail=str(exc)
        ) from exc
    except (InvalidMacAddress, ControlBoardReplacementActorRequired) as exc:
        raise HTTPException(
            status_code=status.HTTP_422_UNPROCESSABLE_ENTITY, detail=str(exc)
        ) from exc
    return ControlBoardReplacementResponse(data=result)


@router.post(
    "",
    response_model=BeginRepairResponse,
    status_code=status.HTTP_201_CREATED,
)
def begin_repair(
    request: BeginRepairRequest,
    service: RepairServiceDependency,
    current_user: RepairCreateUser,
) -> BeginRepairResponse:
    try:
        repair = service.begin_repair(
            request,
            actor_user_id=UUID(str(current_user["id"])),
        )
    except RepairMinerNotFound as exc:
        raise HTTPException(
            status_code=status.HTTP_404_NOT_FOUND,
            detail="Miner not found",
        ) from exc
    except RepairConflict as exc:
        raise HTTPException(
            status_code=status.HTTP_409_CONFLICT,
            detail=str(exc),
        ) from exc
    except RepairActorRequired as exc:
        raise HTTPException(
            status_code=status.HTTP_422_UNPROCESSABLE_ENTITY,
            detail=str(exc),
        ) from exc

    return BeginRepairResponse(data=repair)


@router.post(
    "/{repair_id}/complete",
    response_model=RepairDetailResponse,
)
def complete_repair(
    repair_id: UUID,
    request: RepairCompleteRequest,
    service: RepairServiceDependency,
    current_user: RepairCompleteUser,
) -> RepairDetailResponse:
    try:
        repair = service.complete_repair(
            repair_id,
            request,
            actor_user_id=UUID(str(current_user["id"])),
        )
    except RepairNotFound as exc:
        raise HTTPException(
            status_code=status.HTTP_404_NOT_FOUND,
            detail="Repair not found",
        ) from exc
    except RepairMinerNotFound as exc:
        raise HTTPException(
            status_code=status.HTTP_409_CONFLICT,
            detail="Repair miner no longer exists",
        ) from exc
    except RepairConflict as exc:
        raise HTTPException(
            status_code=status.HTTP_409_CONFLICT,
            detail=str(exc),
        ) from exc
    except RepairCompletionActorRequired as exc:
        raise HTTPException(
            status_code=status.HTTP_422_UNPROCESSABLE_ENTITY,
            detail=str(exc),
        ) from exc

    return RepairDetailResponse(data=repair)


@router.get(
    "/{repair_id}",
    response_model=RepairDetailResponse,
)
def get_repair(
    repair_id: UUID,
    service: RepairServiceDependency,
    current_user: RepairReadUser,
) -> RepairDetailResponse:
    del current_user
    try:
        repair = service.get_repair(repair_id)
    except RepairNotFound as exc:
        raise HTTPException(
            status_code=status.HTTP_404_NOT_FOUND,
            detail="Repair not found",
        ) from exc
    return RepairDetailResponse(data=repair)


@router.get(
    "/{repair_id}/events",
    response_model=RepairTimelineResponse,
)
def get_repair_events(
    repair_id: UUID,
    service: RepairServiceDependency,
    current_user: RepairReadUser,
) -> RepairTimelineResponse:
    del current_user
    try:
        timeline = service.get_repair_timeline(repair_id)
    except RepairNotFound as exc:
        raise HTTPException(
            status_code=status.HTTP_404_NOT_FOUND,
            detail="Repair not found",
        ) from exc
    return RepairTimelineResponse(data=timeline)