package main

import "fmt"

func init() {
	register(Check{
		Seq:   50,
		ID:    "5",
		Title: "Frontend uses generated ConnectRPC hooks",
		Run: func(ctx *ScanContext, rep *Reporter) {
			// Check 5: Frontend API usage patterns
			fmt.Println("=== Check 5: Frontend uses generated ConnectRPC hooks ===")
			if len(ctx.frontendTargets) > 0 {
				var feViolations []frontendViolation
				var feWarnings []frontendViolation
				for _, target := range ctx.frontendTargets {
					if target.pluginRules {
						for _, v := range checkPluginPages([]string{target.dir}) {
							v.file = prefixDisplayPath(target.label, v.file)
							feViolations = append(feViolations, v)
						}
						continue
					}

					coreViolations, coreWarnings := checkFrontend(target.dir)
					for _, v := range coreViolations {
						v.file = prefixDisplayPath(target.label, v.file)
						feViolations = append(feViolations, v)
					}
					for _, w := range coreWarnings {
						w.file = prefixDisplayPath(target.label, w.file)
						feWarnings = append(feWarnings, w)
					}
				}

				if len(feViolations) > 0 {
					fmt.Printf("  FAIL: %d violation(s) — use generated hooks from @block-ninja/api/queries:\n", len(feViolations))
					for _, v := range feViolations {
						fmt.Printf("    %s:%d [%s] %s\n", v.file, v.line, v.rule, v.snippet)
					}
					rep.Fail()
				}

				if len(feWarnings) > 0 {
					fmt.Printf("  WARN: %d fetch() call(s) to non-proto REST endpoints (no ConnectRPC equivalent):\n", len(feWarnings))
					for _, w := range feWarnings {
						fmt.Printf("    %s:%d %s\n", w.file, w.line, w.snippet)
					}
				}

				if len(feViolations) == 0 {
					fmt.Printf("  OK: Frontend API patterns are clean")
					if len(feWarnings) > 0 {
						fmt.Printf(" (%d known non-proto fetches)", len(feWarnings))
					}
					fmt.Println()
					printPerTargetOKLines(frontendTargetLabels(ctx.frontendTargets))
				}
			} else {
				fmt.Println("  SKIP: no frontend sources found")
			}

			fmt.Println()
		},
	})
}