import type { OfferTemplate } from '~/composables/useOfferSuggestor';

export const offerTemplates: OfferTemplate[] = [
  {
    id: 'pitch-polish',
    name: 'Pitch Polish',
    type: 'clinic',
    skillRequirements: ['writing', 'design'],
    problemTargets: ['unclear-pitch', 'grant-budget-help'],
    scope: [
      'Comprehensive deck review and analysis',
      'Rewrite key sections for clarity and impact',
      '90-minute live presentation coaching session',
      'Final edit pass with visual polish'
    ],
    defaultDays: 2,
    defaultHours: {
      writing: 6,
      design: 6,
      pm: 2
    },
    whyThisTemplate: [
      'Combines writing expertise with design polish',
      'Time-boxed format keeps scope manageable',
      'Live coaching session builds confidence',
      'Immediate impact on funding success'
    ],
    riskTemplate: 'Client may resist feedback on core concept or messaging'
  },
  {
    id: 'brand-store-page-sprint',
    name: 'Brand/Store Page Sprint',
    type: 'sprint',
    skillRequirements: ['design', 'dev'],
    problemTargets: ['need-landing-store-page', 'marketing-assets'],
    scope: [
      'Develop clear messaging and brand voice',
      'Design and build one-page marketing site',
      'Create store page assets and layout',
      'Implement responsive design and basic SEO'
    ],
    defaultDays: 7,
    defaultHours: {
      design: 12,
      writing: 6,
      dev: 10,
      pm: 4
    },
    whyThisTemplate: [
      'Full-stack approach from concept to deployment',
      'Combines brand strategy with technical execution',
      'Creates immediate market presence',
      'Scalable foundation for future marketing'
    ],
    riskTemplate: 'Scope creep around additional pages or complex integrations'
  },
  {
    id: 'dev-sprint',
    name: 'Dev Sprint',
    type: 'sprint', 
    skillRequirements: ['dev'],
    problemTargets: ['vertical-slice', 'tech-debt'],
    scope: [
      'Backlog triage and feature prioritization',
      'Implement 1-2 focused features or fixes',
      'Create demo build for stakeholder review',
      'Document changes and deployment process'
    ],
    defaultDays: 7,
    defaultHours: {
      dev: 24,
      qa: 4,
      pm: 4
    },
    whyThisTemplate: [
      'Focused development with clear deliverables',
      'Includes quality assurance and project management',
      'Demo build provides immediate feedback opportunity',
      'Manageable scope reduces technical risk'
    ],
    riskTemplate: 'Technical complexity may exceed initial estimates'
  },
  {
    id: 'maintenance-retainer',
    name: 'Maintenance Retainer',
    type: 'retainer',
    skillRequirements: ['dev', 'pm'],
    problemTargets: ['launch-checklist'],
    scope: [
      'Handle small fixes and bug reports',
      'Apply security and dependency updates',
      'Provide technical support and guidance',
      'Monthly progress reports and recommendations'
    ],
    defaultDays: 30, // Monthly
    defaultHours: {
      dev: 6,
      pm: 2
    },
    whyThisTemplate: [
      'Predictable monthly income stream',
      'Builds long-term client relationships',
      'Low-risk work with defined boundaries',
      'Efficient use of development skills'
    ],
    riskTemplate: 'Client expectations may exceed allocated hours'
  }
];

/**
 * Lightweight matching rules for offer templates
 */
export function matchTemplateToInput(
  selectedSkills: string[], 
  selectedProblems: string[]
): OfferTemplate[] {
  const matches: OfferTemplate[] = [];
  
  // Pitch Polish: Writing + Design + pitch/funding problems
  if (selectedSkills.includes('writing') && selectedSkills.includes('design')) {
    if (selectedProblems.includes('unclear-pitch') || selectedProblems.includes('grant-budget-help')) {
      matches.push(offerTemplates[0]); // Pitch Polish
    }
  }
  
  // Brand/Store Page: Design + Dev + website/marketing problems
  if (selectedSkills.includes('design') && selectedSkills.includes('dev')) {
    if (selectedProblems.includes('need-landing-store-page') || selectedProblems.includes('marketing-assets')) {
      matches.push(offerTemplates[1]); // Brand/Store Page Sprint
    }
  }
  
  // Dev Sprint: Dev + development-related problems
  if (selectedSkills.includes('dev')) {
    if (selectedProblems.includes('vertical-slice') || selectedProblems.includes('tech-debt')) {
      matches.push(offerTemplates[2]); // Dev Sprint
    }
  }
  
  // Maintenance Retainer: Dev + PM + launch/maintenance problems
  if (selectedSkills.includes('dev') && selectedSkills.includes('pm')) {
    if (selectedProblems.includes('launch-checklist') || matches.length === 0) { // Also use as fallback
      matches.push(offerTemplates[3]); // Maintenance Retainer
    }
  }
  
  return matches;
}

/**
 * Get default hour allocation for a template based on available members
 */
export function getTemplateHours(
  template: OfferTemplate,
  availableSkills: string[]
): Array<{ skill: string; hours: number }> {
  const allocations: Array<{ skill: string; hours: number }> = [];
  
  // Convert template hours to skill-based allocations
  if (template.defaultHours) {
    Object.entries(template.defaultHours).forEach(([skill, hours]) => {
      if (availableSkills.includes(skill)) {
        allocations.push({ skill, hours });
      }
    });
  }
  
  return allocations;
}

/**
 * Calculate total hours for a template
 */
export function getTemplateTotalHours(template: OfferTemplate): number {
  if (!template.defaultHours) return template.defaultDays * 8; // Fallback: 8 hours per day
  
  return Object.values(template.defaultHours).reduce((sum, hours) => sum + hours, 0);
}