/**
 * Composable for loading and managing fixture data
 * Provides centralized access to demo data for all screens
 */
export const useFixtures = () => {
  // Load fixture data (in real app, this would come from API or stores)
  const loadMembers = async () => {
    // In production, this would fetch from content/fixtures/members.json
    // For now, return inline data that matches the fixture structure
    return {
      members: [
        {
          id: 'member-1',
          displayName: 'Alex Chen',
          roleFocus: 'Technical Lead',
          payRelationship: 'Hybrid',
          capacity: { minHours: 20, targetHours: 120, maxHours: 160 },
          riskBand: 'Medium',
          externalCoveragePct: 60,
          privacyNeeds: 'aggregate_ok',
          deferredHours: 85,
          quarterlyDeferredCap: 240
        },
        {
          id: 'member-2',
          displayName: 'Jordan Silva',
          roleFocus: 'Design & UX',
          payRelationship: 'FullyPaid',
          capacity: { minHours: 30, targetHours: 140, maxHours: 180 },
          riskBand: 'Low',
          externalCoveragePct: 20,
          privacyNeeds: 'aggregate_ok',
          deferredHours: 0,
          quarterlyDeferredCap: 240
        },
        {
          id: 'member-3',
          displayName: 'Sam Rodriguez',
          roleFocus: 'Operations & Growth',
          payRelationship: 'Supplemental',
          capacity: { minHours: 10, targetHours: 60, maxHours: 100 },
          riskBand: 'High',
          externalCoveragePct: 85,
          privacyNeeds: 'steward_only',
          deferredHours: 32,
          quarterlyDeferredCap: 120
        }
      ]
    }
  }
  
  const loadStreams = async () => {
    return {
      revenueStreams: [
        {
          id: 'stream-1',
          name: 'Client Services',
          category: 'Services',
          subcategory: 'Development',
          targetPct: 65,
          targetMonthlyAmount: 0,
          certainty: 'Committed',
          payoutDelayDays: 30,
          terms: 'Net 30',
          revenueSharePct: 0,
          platformFeePct: 0,
          restrictions: 'General',
          effortHoursPerMonth: 180
        },
        {
          id: 'stream-2',
          name: 'Platform Sales',
          category: 'Product',
          subcategory: 'Digital Tools',
          targetPct: 20,
          targetMonthlyAmount: 0,
          certainty: 'Probable',
          payoutDelayDays: 14,
          terms: 'Platform payout',
          revenueSharePct: 0,
          platformFeePct: 5,
          restrictions: 'General',
          effortHoursPerMonth: 40
        },
        {
          id: 'stream-3',
          name: 'Innovation Grant',
          category: 'Grant',
          subcategory: 'Government',
          targetPct: 10,
          targetMonthlyAmount: 0,
          certainty: 'Committed',
          payoutDelayDays: 45,
          terms: 'Quarterly disbursement',
          revenueSharePct: 0,
          platformFeePct: 0,
          restrictions: 'Restricted',
          effortHoursPerMonth: 8
        },
        {
          id: 'stream-4',
          name: 'Community Donations',
          category: 'Donation',
          subcategory: 'Individual',
          targetPct: 3,
          targetMonthlyAmount: 0,
          certainty: 'Aspirational',
          payoutDelayDays: 3,
          terms: 'Immediate',
          revenueSharePct: 0,
          platformFeePct: 2.9,
          restrictions: 'General',
          effortHoursPerMonth: 5
        },
        {
          id: 'stream-5',
          name: 'Consulting & Training',
          category: 'Other',
          subcategory: 'Professional Services',
          targetPct: 2,
          targetMonthlyAmount: 0,
          certainty: 'Probable',
          payoutDelayDays: 21,
          terms: 'Net 21',
          revenueSharePct: 0,
          platformFeePct: 0,
          restrictions: 'General',
          effortHoursPerMonth: 12
        }
      ]
    }
  }
  
  const loadFinances = async () => {
    return {
      currentBalances: {
        cash: 5000,
        savings: 8000,
        totalLiquid: 13000
      },
      policies: {
        equalHourlyWage: 20,
        payrollOncostPct: 25,
        savingsTargetMonths: 3,
        minCashCushionAmount: 3000,
        deferredCapHoursPerQtr: 240,
        deferredSunsetMonths: 12
      },
      deferredLiabilities: {
        totalDeferred: 2340,
        byMember: {
          'member-1': 1700,
          'member-2': 0,
          'member-3': 640
        }
      }
    }
  }
  
  const loadCosts = async () => {
    return {
      overheadCosts: [
        {
          id: 'overhead-1',
          name: 'Coworking Space',
          amount: 0,
          category: 'Workspace',
          recurring: true
        },
        {
          id: 'overhead-2',
          name: 'Tools & Software',
          amount: 0,
          category: 'Technology',
          recurring: true
        },
        {
          id: 'overhead-3',
          name: 'Business Insurance',
          amount: 0,
          category: 'Legal & Compliance',
          recurring: true
        }
      ],
      productionCosts: [
        {
          id: 'production-1',
          name: 'Development Kits',
          amount: 0,
          category: 'Hardware',
          period: '2024-01'
        }
      ]
    }
  }
  
  // Calculate derived metrics from fixture data
  const calculateMetrics = async () => {
    const [members, streams, finances, costs] = await Promise.all([
      loadMembers(),
      loadStreams(),
      loadFinances(),
      loadCosts()
    ])
    
    const totalTargetHours = members.members.reduce((sum, member) => 
      sum + member.capacity.targetHours, 0
    )
    
    const totalTargetRevenue = streams.revenueStreams.reduce((sum, stream) => 
      sum + stream.targetMonthlyAmount, 0
    )
    
    const totalOverheadCosts = costs.overheadCosts.reduce((sum, cost) => 
      sum + cost.amount, 0
    )
    
    const monthlyPayroll = totalTargetHours * finances.policies.equalHourlyWage * 
      (1 + finances.policies.payrollOncostPct / 100)
    
    const monthlyBurn = monthlyPayroll + totalOverheadCosts + 
      costs.productionCosts.reduce((sum, cost) => sum + cost.amount, 0)
    
    const runway = finances.currentBalances.totalLiquid / monthlyBurn
    
    return {
      totalTargetHours,
      totalTargetRevenue,
      monthlyPayroll,
      monthlyBurn,
      runway,
      members: members.members,
      streams: streams.revenueStreams,
      finances: finances,
      costs: costs
    }
  }
  
  return {
    loadMembers,
    loadStreams,
    loadFinances,
    loadCosts,
    calculateMetrics
  }
}