import { FASTAPI_BASE_URL, authHeaders, readError, type ApiEnvelope, type ScoreType } from './session'

export type DimensionScore = {
	dimension: string
	score: number
	max_score: number
	comment?: string
	evidence?: string[]
	deductions?: string[]
	improvement?: string
}

export type ScoreDetail = {
	dimension: string
	score: number
	deducted_reason?: string
	ai_confidence?: number
	comment?: string
}

export type EvaluationResult = {
	evaluation_id: number
	score_type: ScoreType
	total_score: number
	dimension_scores: DimensionScore[]
	score_details: ScoreDetail[]
	errors: string[]
	improvement_plan: string[]
	evidence_summary: string[]
	guideline_refs: string[]
	overall_comment: string
}

export async function generateEvaluation(sessionId: number, scoreType: ScoreType = 'percentage') {
	const response = await fetch(`${FASTAPI_BASE_URL}/sessions/${sessionId}/evaluation`, {
		method: 'POST',
		headers: authHeaders(),
		body: JSON.stringify({
			score_type: scoreType
		})
	})

	if (!response.ok) {
		throw new Error(await readError(response))
	}

	const result = (await response.json()) as ApiEnvelope<EvaluationResult>
	if (result.code !== 'OK' || !result.data) {
		throw new Error(result.message || '评价生成失败')
	}

	return result.data
}