import type { CustomApiConfig } from '../../../../types'
import type { StudioRunProcessor } from '../run-processor'
import type { StudioTurnPlanResolver } from '../../planning/turn-plan-resolver'
import type {
  StudioResolvedSkill,
  StudioSkillDiscoveryEntry,
  StudioSkillUsageSummary,
  StudioSubagentRunRequest,
  StudioSubagentRunResult
} from '../../tools/tool-runtime-context'
import type {
  StudioAssistantMessage,
  StudioEventBus,
  StudioMessageStore,
  StudioPartStore,
  StudioProcessorStreamEvent,
  StudioRun,
  StudioRunStore,
  StudioSession,
  StudioSessionEventStore,
  StudioSessionStore,
  StudioTaskStore,
  StudioToolChoice,
  StudioWorkContext,
  StudioWorkResultStore,
  StudioWorkStore
} from '../../../domain/types'
import type { StudioToolRegistry } from '../../../tools/registry'

export interface StudioSessionRunnerOptions {
  registry: StudioToolRegistry
  messageStore: StudioMessageStore
  partStore: StudioPartStore
  runStore?: StudioRunStore
  sessionStore?: StudioSessionStore
  sessionEventStore?: StudioSessionEventStore
  taskStore?: StudioTaskStore
  workStore?: StudioWorkStore
  workResultStore?: StudioWorkResultStore
  eventBus?: StudioEventBus
  resolveSkill?: (name: string, session: StudioSession) => Promise<StudioResolvedSkill>
  listSkills?: (session: StudioSession) => Promise<StudioSkillDiscoveryEntry[]>
  listSkillSummaries?: (session: StudioSession) => Promise<StudioSkillUsageSummary[]>
  recordSkillUsage?: (input: {
    session: StudioSession
    skillName: string
    reason?: string
    takeaway?: string
    stillRelevant?: boolean
  }) => Promise<void>
  resolveTurnPlan: StudioTurnPlanResolver
}

export interface StudioRunRequestInput {
  projectId: string
  session: StudioSession
  inputText: string
  customApiConfig?: CustomApiConfig
  toolChoice?: StudioToolChoice
  runMetadata?: Record<string, unknown>
}

export interface StudioPreparedRunContext {
  input: StudioRunRequestInput
  workContext: StudioWorkContext
  run: StudioRun
  assistantMessage: StudioAssistantMessage
  eventBus: StudioEventBus
}

export interface StudioPreparedRunExecution {
  events: AsyncGenerator<StudioProcessorStreamEvent>
  startLog?: {
    event: string
    payload: Record<string, unknown>
  }
}

export interface StudioBackgroundRunHandle {
  run: StudioRun
  assistantMessage: StudioAssistantMessage
  abort: (reason?: string) => void
  completion: Promise<StudioSubagentRunResult & { run: StudioRun; assistantMessage: StudioAssistantMessage }>
}

export interface StudioSessionRunnerDependencies {
  registry: StudioToolRegistry
  processor: StudioRunProcessor
  messageStore: StudioMessageStore
  partStore: StudioPartStore
  runStore?: StudioRunStore
  sessionStore?: StudioSessionStore
  sessionEventStore?: StudioSessionEventStore
  taskStore?: StudioTaskStore
  workStore?: StudioWorkStore
  workResultStore?: StudioWorkResultStore
  sharedEventBus?: StudioEventBus
  resolveSkill?: (name: string, session: StudioSession) => Promise<StudioResolvedSkill>
  listSkills?: (session: StudioSession) => Promise<StudioSkillDiscoveryEntry[]>
  listSkillSummaries?: (session: StudioSession) => Promise<StudioSkillUsageSummary[]>
  recordSkillUsage?: StudioSessionRunnerOptions['recordSkillUsage']
  resolveTurnPlan: StudioTurnPlanResolver
  createRun: (session: StudioSession, inputText: string, metadata?: Record<string, unknown>) => StudioRun
  createAssistantMessage: (session: StudioSession, runId?: string) => Promise<StudioAssistantMessage>
  buildWorkContext: (input: { session: StudioSession; inputText: string }) => Promise<StudioWorkContext>
  runSubagent: (input: StudioSubagentRunRequest) => Promise<StudioSubagentRunResult>
}

export function createDependencyCenter(
  options: StudioSessionRunnerOptions,
  input: {
    processor: StudioRunProcessor
    createRun: StudioSessionRunnerDependencies['createRun']
    createAssistantMessage: StudioSessionRunnerDependencies['createAssistantMessage']
    buildWorkContext: StudioSessionRunnerDependencies['buildWorkContext']
    runSubagent: StudioSessionRunnerDependencies['runSubagent']
  },
): StudioSessionRunnerDependencies {
  return {
    registry: options.registry,
    processor: input.processor,
    messageStore: options.messageStore,
    partStore: options.partStore,
    runStore: options.runStore,
    sessionStore: options.sessionStore,
    sessionEventStore: options.sessionEventStore,
    taskStore: options.taskStore,
    workStore: options.workStore,
    workResultStore: options.workResultStore,
    sharedEventBus: options.eventBus,
    resolveSkill: options.resolveSkill,
    listSkills: options.listSkills,
    listSkillSummaries: options.listSkillSummaries,
    recordSkillUsage: options.recordSkillUsage,
    resolveTurnPlan: options.resolveTurnPlan,
    createRun: input.createRun,
    createAssistantMessage: input.createAssistantMessage,
    buildWorkContext: input.buildWorkContext,
    runSubagent: input.runSubagent
  }
}