"""Deterministic multi-agent orchestration for the readiness copilot."""

from __future__ import annotations

import asyncio
from dataclasses import asdict, field
from typing import Dict, Optional

from agents import (
    DocumentationAgent,
    EvidenceAgent,
    PlannerAgent,
    ReviewerAgent,
    SynthesisAgent,
)
from deployment_agent import DeploymentAgent
from docs_agent import DocumentationLookupAgent
from error_handler import PartialResult, safe_execute, safe_execute_async
from progress_tracker import AgentStatus, PipelineProgress
from schemas import (
    DeploymentActions,
    DocumentationReferences,
    ReadinessRequest,
    ReadinessResponse,
)


class ReadinessOrchestrator:
    """Runs the enhanced pipeline with Context7 docs and GitHub deployment."""

    def __init__(self) -> None:
        self.planner = PlannerAgent()
        self.evidence = EvidenceAgent()
        self.synthesis = SynthesisAgent()
        self.documentation = DocumentationAgent()
        self.reviewer = ReviewerAgent()
        self.docs_lookup = DocumentationLookupAgent()
        self.deployment = DeploymentAgent()

    def run(self, request: ReadinessRequest) -> ReadinessResponse:
        plan = self.planner.run(request)
        evidence = self.evidence.run(plan, project_name=request.project_name)
        sponsor_synthesis = self.synthesis.run(evidence, plan.summary)
        docs = self.documentation.run(request, evidence)
        review = self.reviewer.run(plan, evidence, docs, sponsor_synthesis)
        
        # Run async operations
        docs_refs = asyncio.run(self.docs_lookup.lookup_deployment_docs(request, plan))
        deployment_config = asyncio.run(self.deployment.prepare_deployment(request, plan))
        
        return ReadinessResponse(
            plan=plan,
            evidence=evidence,
            documentation=docs,
            review=review,
            docs_references=DocumentationReferences(**docs_refs),
            deployment=DeploymentActions(**deployment_config),
        )

    def run_dict(self, payload: Dict, progress: Optional[PipelineProgress] = None) -> Dict:
        """Convenience wrapper for UI usage with plain dicts and progress tracking."""
        
        if progress is None:
            progress = PipelineProgress()

        request = ReadinessRequest(**payload)
        partial = PartialResult()
        
        # Planner
        progress.update_agent("Planner", AgentStatus.RUNNING, "Analyzing project context...")
        plan = safe_execute(
            self.planner.run,
            request,
            default=None,
            error_message="Planner agent failed"
        )
        if plan:
            progress.update_agent("Planner", AgentStatus.COMPLETED, "Plan generated", 1.0)
            partial.add_result("plan", plan)
        else:
            progress.update_agent("Planner", AgentStatus.FAILED, "Failed to generate plan", 0.0, "Planner returned None")
            partial.add_error("plan", "Planner agent failed")
            plan = None  # Will need fallback
        
        # Evidence
        if plan:
            progress.update_agent("Evidence", AgentStatus.RUNNING, "Gathering deployment signals...")
            evidence = safe_execute(
                self.evidence.run,
                plan,
                request.project_name,
                default=None,
                error_message="Evidence agent failed"
            )
            if evidence:
                progress.update_agent("Evidence", AgentStatus.COMPLETED, "Evidence gathered", 1.0)
                partial.add_result("evidence", evidence)
            else:
                progress.update_agent("Evidence", AgentStatus.FAILED, "Failed to gather evidence", 0.0)
                partial.add_error("evidence", "Evidence agent failed")
                evidence = None
        else:
            evidence = None
            progress.update_agent("Evidence", AgentStatus.SKIPPED, "Skipped (no plan)", 0.0)
        
        # Synthesis
        if evidence and plan:
            progress.update_agent("Synthesis", AgentStatus.RUNNING, "Cross-validating evidence...")
            sponsor_synthesis = safe_execute(
                self.synthesis.run,
                evidence,
                plan.summary,
                request.sponsor_llms,
                default={},
                error_message="Synthesis agent failed"
            )
            progress.update_agent("Synthesis", AgentStatus.COMPLETED, "Synthesis complete", 1.0)
            partial.add_result("sponsor_synthesis", sponsor_synthesis)
        else:
            sponsor_synthesis = {}
            progress.update_agent("Synthesis", AgentStatus.SKIPPED, "Skipped (no evidence)", 0.0)
        
        # Documentation
        if evidence:
            progress.update_agent("Documentation", AgentStatus.RUNNING, "Generating deployment docs...")
            docs = safe_execute(
                self.documentation.run,
                request,
                evidence,
                default=None,
                error_message="Documentation agent failed"
            )
            if docs:
                progress.update_agent("Documentation", AgentStatus.COMPLETED, "Documentation generated", 1.0)
                partial.add_result("documentation", docs)
            else:
                progress.update_agent("Documentation", AgentStatus.FAILED, "Failed to generate docs", 0.0)
                partial.add_error("documentation", "Documentation agent failed")
                docs = None
        else:
            docs = None
            progress.update_agent("Documentation", AgentStatus.SKIPPED, "Skipped (no evidence)", 0.0)
        
        # Reviewer
        if plan and evidence and docs:
            progress.update_agent("Reviewer", AgentStatus.RUNNING, "Performing risk assessment...")
            review = safe_execute(
                self.reviewer.run,
                plan,
                evidence,
                docs,
                sponsor_synthesis,
                default=None,
                error_message="Reviewer agent failed"
            )
            if review:
                progress.update_agent("Reviewer", AgentStatus.COMPLETED, "Review complete", 1.0)
                partial.add_result("review", review)
            else:
                progress.update_agent("Reviewer", AgentStatus.FAILED, "Failed to review", 0.0)
                partial.add_error("review", "Reviewer agent failed")
                review = None
        else:
            review = None
            progress.update_agent("Reviewer", AgentStatus.SKIPPED, "Skipped (missing inputs)", 0.0)
        
        # Docs Lookup (async)
        progress.update_agent("Docs Lookup", AgentStatus.RUNNING, "Looking up framework/platform docs...")
        docs_refs = asyncio.run(
            safe_execute_async(
                self.docs_lookup.lookup_deployment_docs,
                request,
                plan if plan else None,
                default={"framework": None, "platform": None, "lookups": []},
                error_message="Documentation lookup failed"
            )
        )
        if docs_refs and docs_refs.get("lookups"):
            progress.update_agent("Docs Lookup", AgentStatus.COMPLETED, "Documentation found", 1.0)
            partial.add_result("docs_references", docs_refs)
        else:
            progress.update_agent("Docs Lookup", AgentStatus.COMPLETED, "No docs found (framework may be unknown)", 1.0)
            partial.add_result("docs_references", docs_refs or {"framework": None, "platform": None, "lookups": []})
        
        # Deployment (async)
        progress.update_agent("Deployment", AgentStatus.RUNNING, "Preparing deployment actions...")
        deployment_config = asyncio.run(
            safe_execute_async(
                self.deployment.prepare_deployment,
                request,
                plan if plan else None,
                default={"repo": None, "branch": "main", "ready": False, "actions": []},
                error_message="Deployment preparation failed"
            )
        )
        if deployment_config and deployment_config.get("ready"):
            progress.update_agent("Deployment", AgentStatus.COMPLETED, "Deployment ready", 1.0)
            partial.add_result("deployment", deployment_config)
        else:
            progress.update_agent("Deployment", AgentStatus.COMPLETED, "Deployment not configured", 1.0)
            partial.add_result("deployment", deployment_config or {"repo": None, "branch": "main", "ready": False, "actions": []})
        
        # Build response
        response = ReadinessResponse(
            plan=plan or partial.results.get("plan"),
            evidence=evidence or partial.results.get("evidence"),
            documentation=docs or partial.results.get("documentation"),
            review=review or partial.results.get("review"),
            docs_references=DocumentationReferences(**docs_refs) if docs_refs else None,
            deployment=DeploymentActions(**deployment_config) if deployment_config else None,
        )
        result = asdict(response)
        result["sponsor_synthesis"] = sponsor_synthesis
        result["progress"] = progress.to_dict()
        result["partial_results"] = partial.to_dict()
        return result

    async def execute_deployment(self, payload: Dict) -> Dict:
        """Execute deployment actions via GitHub."""
        request = ReadinessRequest(**payload)
        plan = self.planner.run(request)
        deployment_config = await self.deployment.prepare_deployment(request, plan)
        execution_results = await self.deployment.execute_deployment(deployment_config)
        return execution_results