package main

import "fmt"

func init() {
	register(Check{
		Seq:   70,
		ID:    "7",
		Title: "No useState for tab state in routes (use URL ?tab= params)",
		Run: func(ctx *ScanContext, rep *Reporter) {
			// Check 7: No useState for tab state in route files
			fmt.Println("=== Check 7: No useState for tab state in routes (use URL ?tab= params) ===")
			if len(ctx.frontendTargets) > 0 {
				var tabViolations []tabStateViolation
				for _, target := range ctx.frontendTargets {
					for _, v := range checkTabState(target.dir) {
						v.file = prefixDisplayPath(target.label, v.file)
						tabViolations = append(tabViolations, v)
					}
				}
				if len(tabViolations) > 0 {
					fmt.Printf("  FAIL: %d route file(s) use useState for tab state:\n", len(tabViolations))
					for _, v := range tabViolations {
						fmt.Printf("    %s:%d %s\n", v.file, v.line, v.snippet)
					}
					fmt.Println("\n  Fix: Use URL search params (?tab=) for bookmarkability. See settings.tsx for reference.")
					rep.Fail()
				} else {
					fmt.Println("  OK: No useState tab state in routes")
					printPerTargetOKLines(frontendTargetLabels(ctx.frontendTargets))
				}
			} else {
				fmt.Println("  SKIP: no frontend sources found")
			}

			fmt.Println()
		},
	})
}