package model

import "time"

type Snippet struct {
	ID        string   `json:"id"`
	Name      string   `json:"name"`
	Content   string   `json:"content"`
	Language  string   `json:"language"`
	Tags      []string `json:"tags"`
	CreatedAt string   `json:"createdAt"`
}

type SnippetStore struct {
	Snippets []Snippet
}

func NewSnippetStore() *SnippetStore {
	return &SnippetStore{Snippets: defaultSnippets()}
}

func (s *SnippetStore) All() []Snippet       { return s.Snippets }
func (s *SnippetStore) Search(q string) []Snippet {
	if q == "" { return s.Snippets }
	var res []Snippet
	for _, sn := range s.Snippets {
		if contains(sn.Name, q) || contains(sn.Content, q) || contains(sn.Language, q) {
			res = append(res, sn)
		}
	}
	return res
}

func (s *SnippetStore) Add(name, content, language string, tags []string) Snippet {
	sn := Snippet{
		ID:        randString(8),
		Name:      name,
		Content:   content,
		Language:  language,
		Tags:      tags,
		CreatedAt: time.Now().Format("Jan 2, 2006"),
	}
	s.Snippets = append(s.Snippets, sn)
	return sn
}

func (s *SnippetStore) Delete(id string) {
	for i, sn := range s.Snippets {
		if sn.ID == id { s.Snippets = append(s.Snippets[:i], s.Snippets[i+1:]...); return }
	}
}

func defaultSnippets() []Snippet {
	return []Snippet{
		{ID: "s1", Name: "Nginx Reverse Proxy", Content: "server {\n  listen 80;\n  server_name example.com;\n  location / {\n    proxy_pass http://localhost:3000;\n    proxy_set_header Host $host;\n  }\n}", Language: "nginx", Tags: []string{"nginx", "proxy", "web"}, CreatedAt: "Jun 28, 2026"},
		{ID: "s2", Name: "Docker Compose Postgres", Content: "version: '3.8'\nservices:\n  db:\n    image: postgres:16\n    environment:\n      POSTGRES_DB: app\n      POSTGRES_PASSWORD: ${DB_PASS}\n    ports:\n      - 5432:5432", Language: "yaml", Tags: []string{"docker", "postgres", "db"}, CreatedAt: "Jun 25, 2026"},
		{ID: "s3", Name: "Health Check Script", Content: "#!/bin/bash\ncurl -sf http://localhost/health || exit 1\necho \"OK\"", Language: "bash", Tags: []string{"monitoring", "bash"}, CreatedAt: "Jun 20, 2026"},
		{ID: "s4", Name: "System Info", Content: "uname -a\ncat /etc/os-release\nfree -h\ndf -h\nuptime", Language: "bash", Tags: []string{"sysadmin", "diagnostics"}, CreatedAt: "Jun 15, 2026"},
		{ID: "s5", Name: "ufw Rules", Content: "ufw default deny incoming\nufw default allow outgoing\nufw allow 22/tcp\nufw allow 443/tcp\nufw enable", Language: "bash", Tags: []string{"security", "firewall"}, CreatedAt: "Jun 10, 2026"},
	}
}