from sqlalchemy.orm import Session

from app.modules.audit.constants import AuditAction, AuditSource
from app.modules.audit.schemas import AuditLogCreate
from app.modules.audit.service import AuditService
from app.modules.events.constants import (
    EventAggregateType,
    EventPayloadKey,
    EventSource,
    EventType,
)
from app.modules.events.services import EventService
from app.modules.feishu.service import FeishuService
from app.modules.reports.constants import (
    ReportPushStatus,
    ReportResponseKey,
)
from app.modules.reports.chart import lifecycle_chart_alt, render_lifecycle_chart
from app.modules.reports.services import ReportService


class ReportDeliveryService:
    """Deliver generated reports without coupling report generation to Feishu."""

    def __init__(self, db: Session):
        self.db = db
        self.reports = ReportService(db)

    def push_report(
        self,
        report: dict,
        receive_id: str | None,
        receive_id_type: str,
        actor: str,
        push_run_code: str | None = None,
    ) -> dict:
        report_type = str(report.get(ReportResponseKey.REPORT_TYPE) or report.get("type") or "report")
        title = report.get(ReportResponseKey.TITLE)
        push_run = (
            self.reports._get_push_run(push_run_code)
            if push_run_code
            else self.reports.create_push_run(
                report_type=report_type,
                title=title,
                receive_id=receive_id,
                receive_id_type=receive_id_type,
                actor=actor,
            )
        )
        try:
            feishu = FeishuService(self.db)
            image_key = None
            image_alt = None
            chart_data = report.get("chart_data")
            if chart_data:
                image_result = feishu.upload_image(render_lifecycle_chart(chart_data), actor)
                image_key = (image_result.get("data") or {}).get("image_key")
                if not image_key:
                    raise ValueError("Feishu image upload did not return image_key")
                image_alt = lifecycle_chart_alt(chart_data)
            card = FeishuService.build_basic_card(
                report[ReportResponseKey.TITLE],
                report[ReportResponseKey.LINES],
                image_key=image_key,
                image_alt=image_alt,
            )
            result = feishu.send_card(card, receive_id, receive_id_type, actor)
        except Exception as exc:
            failed_run = self.reports.update_push_run(
                push_run.code,
                ReportPushStatus.FAILED,
                error_message=str(exc),
                commit=False,
            )
            EventService(self.db).enqueue(
                event_type=EventType.REPORT_PUSH_FAILED,
                source=EventSource.REPORTS,
                aggregate_type=EventAggregateType.REPORT_PUSH_RUN,
                aggregate_id=failed_run.code,
                actor=actor,
                payload={
                    EventPayloadKey.CODE: failed_run.code,
                    EventPayloadKey.STATUS: failed_run.status,
                    EventPayloadKey.ERROR_MESSAGE: failed_run.error_message,
                },
                idempotency_key=f"report-push:{failed_run.code}:{failed_run.status}",
            )
            self.db.commit()
            raise
        success_run = self.reports.update_push_run(
            push_run.code,
            ReportPushStatus.SUCCESS,
            provider_response=result,
            sent=True,
            commit=False,
        )
        EventService(self.db).enqueue(
            event_type=EventType.REPORT_PUSH_SUCCEEDED,
            source=EventSource.REPORTS,
            aggregate_type=EventAggregateType.REPORT_PUSH_RUN,
            aggregate_id=success_run.code,
            actor=actor,
            payload={
                EventPayloadKey.CODE: success_run.code,
                EventPayloadKey.STATUS: success_run.status,
            },
            idempotency_key=f"report-push:{success_run.code}:{success_run.status}",
        )
        AuditService(self.db).record(
            AuditLogCreate(
                actor=actor,
                source=AuditSource.REPORTS,
                action=AuditAction.REPORT_PUSH,
                target_id=push_run.code,
                response_payload={"status": ReportPushStatus.SUCCESS},
            )
        )
        self.db.commit()
        return result