package main

import "fmt"

func init() {
	register(Check{
		Seq:   120,
		ID:    "12",
		Title: "No reinvented utilities (use helpers)",
		Run: func(ctx *ScanContext, rep *Reporter) {
			// Check 12: No reinvented utilities
			fmt.Println("=== Check 12: No reinvented utilities (use helpers) ===")
			var beReinvented []reinventedViolation
			for _, target := range ctx.backendTargets {
				for _, v := range checkReinventedBackend(target.root) {
					v.file = prefixDisplayPath(target.display, v.file)
					beReinvented = append(beReinvented, v)
				}
			}
			for _, target := range ctx.pluginTargets {
				for _, v := range checkReinventedBackend(target.root) {
					v.file = prefixDisplayPath(target.display, v.file)
					beReinvented = append(beReinvented, v)
				}
			}
			var feReinvented []reinventedViolation
			for _, target := range ctx.frontendTargets {
				for _, v := range checkReinventedFrontend(target.dir) {
					v.file = prefixDisplayPath(target.label, v.file)
					feReinvented = append(feReinvented, v)
				}
			}
			allReinvented := append(beReinvented, feReinvented...)
			if len(allReinvented) > 0 {
				fmt.Printf("  FAIL: %d reinvented utility pattern(s):\n", len(allReinvented))
				for _, v := range allReinvented {
					fmt.Printf("    %s:%d [%s] → %s\n", v.file, v.line, v.rule, v.hint)
				}
				printReinventedHelp()
				rep.Fail()
			} else {
				fmt.Println("  OK: No reinvented utilities detected")
				printPerTargetOKLines(pluginTargetLabels(ctx.pluginTargets))
			}

			fmt.Println()
		},
	})
}