package main

import (
	"flag"
	"fmt"
	"io"
	"os"
	"time"

	"isphere-ai-bridge/internal/uiaselector"
)

func main() {
	os.Exit(Run(os.Args[1:], os.Stdout, os.Stderr))
}

func Run(args []string, stdout io.Writer, stderr io.Writer) int {
	flags := flag.NewFlagSet("uia-selector-report", flag.ContinueOnError)
	flags.SetOutput(stderr)
	dumpPath := flags.String("dump", "", "UIA dump JSON path")
	outJSON := flags.String("out-json", "", "JSON report output path")
	outMD := flags.String("out-md", "", "Markdown report output path")
	strict := flags.Bool("strict", false, "return non-zero for unmatched, ambiguous, or invalid selector reports")
	if err := flags.Parse(args); err != nil {
		return uiaselector.StrictExitReportGenerationFailure
	}
	if *dumpPath == "" {
		fmt.Fprintln(stderr, "missing -dump")
		return uiaselector.StrictExitReportGenerationFailure
	}

	root, err := uiaselector.LoadDumpFile(*dumpPath)
	if err != nil {
		fmt.Fprintf(stderr, "load dump: %v\n", err)
		return uiaselector.StrictExitReportGenerationFailure
	}
	report := uiaselector.RunCatalogReport(*dumpPath, root, uiaselector.DefaultCatalog(), time.Now().UTC())
	if *outJSON != "" {
		if err := uiaselector.WriteReportJSON(report, *outJSON); err != nil {
			fmt.Fprintf(stderr, "write JSON report: %v\n", err)
			return uiaselector.StrictExitReportGenerationFailure
		}
	}
	if *outMD != "" {
		if err := uiaselector.WriteReportMarkdown(report, *outMD); err != nil {
			fmt.Fprintf(stderr, "write Markdown report: %v\n", err)
			return uiaselector.StrictExitReportGenerationFailure
		}
	}

	code := uiaselector.StrictExitCode(report)
	if *strict && code != uiaselector.StrictExitOK {
		fmt.Fprintf(stderr, "strict report check failed with code %d\n", code)
		return code
	}
	if !report.OK {
		fmt.Fprintf(stderr, "report generation failed: %#v\n", report.Error)
		return uiaselector.StrictExitReportGenerationFailure
	}
	fmt.Fprintf(stdout, "N14 selector report generated: catalog=%d matched=%d unmatched=%d ambiguous=%d\n", report.CatalogSize, report.MatchedCount, report.UnmatchedCount, report.AmbiguousCount)
	return uiaselector.StrictExitOK
}