// Supabase Edge Function: Ziwei Analyzer
// This function analyzes Ziwei Doushu (Purple Star Astrology)

import { serve } from 'https://deno.land/std@0.168.0/http/server.ts'
import { createClient } from 'https://esm.sh/@supabase/supabase-js@2'

const corsHeaders = {
  'Access-Control-Allow-Origin': '*',
  'Access-Control-Allow-Headers': 'authorization, x-client-info, apikey, content-type',
}

interface ZiweiRequest {
  birthDate: string
  birthTime: string
  gender: 'male' | 'female'
  location?: string
}

interface ZiweiResponse {
  success: boolean
  data?: {
    palaces: {
      ming: { position: string; stars: string[] }
      xiong: { position: string; stars: string[] }
      cai: { position: string; stars: string[] }
      guan: { position: string; stars: string[] }
      tian: { position: string; stars: string[] }
      fu: { position: string; stars: string[] }
      zi: { position: string; stars: string[] }
      nu: { position: string; stars: string[] }
      qian: { position: string; stars: string[] }
      ji: { position: string; stars: string[] }
      tian2: { position: string; stars: string[] }
      xiang: { position: string; stars: string[] }
    }
    mainStars: string[]
    luckyStars: string[]
    unluckyStars: string[]
    analysis: {
      personality: string
      career: string
      wealth: string
      relationships: string
      health: string
    }
  }
  error?: string
}

serve(async (req) => {
  // Handle CORS preflight requests
  if (req.method === 'OPTIONS') {
    return new Response('ok', { headers: corsHeaders })
  }

  try {
    // Initialize Supabase client
    const supabaseClient = createClient(
      Deno.env.get('SUPABASE_URL') ?? '',
      Deno.env.get('SUPABASE_ANON_KEY') ?? '',
      {
        global: {
          headers: { Authorization: req.headers.get('Authorization')! },
        },
      }
    )

    // Get the current user
    const {
      data: { user },
    } = await supabaseClient.auth.getUser()

    if (!user) {
      return new Response(
        JSON.stringify({ success: false, error: 'Unauthorized' }),
        {
          status: 401,
          headers: { ...corsHeaders, 'Content-Type': 'application/json' },
        }
      )
    }

    // Parse request body
    const { birthDate, birthTime, gender, location }: ZiweiRequest = await req.json()

    if (!birthDate || !birthTime || !gender) {
      return new Response(
        JSON.stringify({ success: false, error: 'Missing required fields' }),
        {
          status: 400,
          headers: { ...corsHeaders, 'Content-Type': 'application/json' },
        }
      )
    }

    // TODO: Implement actual Ziwei calculation logic
    // For now, return mock data
    const mockAnalysis: ZiweiResponse = {
      success: true,
      data: {
        palaces: {
          ming: { position: '子', stars: ['紫微', '天府'] },
          xiong: { position: '丑', stars: ['太阳', '巨门'] },
          cai: { position: '寅', stars: ['天机', '太阴'] },
          guan: { position: '卯', stars: ['天同', '天梁'] },
          tian: { position: '辰', stars: ['七杀'] },
          fu: { position: '巳', stars: ['破军'] },
          zi: { position: '午', stars: ['廉贞', '贪狼'] },
          nu: { position: '未', stars: ['天相'] },
          qian: { position: '申', stars: ['天马'] },
          ji: { position: '酉', stars: ['文昌'] },
          tian2: { position: '戌', stars: ['文曲'] },
          xiang: { position: '亥', stars: ['左辅', '右弼'] },
        },
        mainStars: ['紫微', '天府', '太阳', '巨门', '天机', '太阴'],
        luckyStars: ['文昌', '文曲', '左辅', '右弼', '天马'],
        unluckyStars: ['擎羊', '陀罗', '火星', '铃星'],
        analysis: {
          personality: '性格高贵，具有领导才能，喜欢掌控全局。',
          career: '适合从事管理、政治或高端服务业。',
          wealth: '财运稳定，有贵人相助，投资需谨慎。',
          relationships: '人际关系复杂，需要平衡各方利益。',
          health: '注意心脏和血压问题，保持规律作息。',
        },
      },
    }

    // Save analysis to database
    const { error: insertError } = await supabaseClient
      .from('analysis_history')
      .insert({
        user_id: user.id,
        analysis_type: 'ziwei',
        input_data: { birthDate, birthTime, gender, location },
        result_data: mockAnalysis.data,
      })

    if (insertError) {
      console.error('Error saving analysis:', insertError)
    }

    return new Response(JSON.stringify(mockAnalysis), {
      headers: { ...corsHeaders, 'Content-Type': 'application/json' },
    })
  } catch (error) {
    console.error('Error in ziwei-analyzer:', error)
    return new Response(
      JSON.stringify({ success: false, error: 'Internal server error' }),
      {
        status: 500,
        headers: { ...corsHeaders, 'Content-Type': 'application/json' },
      }
    )
  }
})