package api

import (
	"context"
	"net/http"

	"git.golem15.com/golem15/sm-seo-plugin/classes"
)

// ListIssuesInput is the query of GET /_seo/api/v1/issues.
type ListIssuesInput struct {
	Kind string `json:"kind,omitempty" query:"kind" jsonschema:"one kind only: missing_title, missing_description, duplicate_title, duplicate_description, rule_overrides_record, redirect_chain, canonical_noindex, canonical_redirected or noindex_blocked"`
}

// ListIssues serves GET /_seo/api/v1/issues (D-13, D-14 CMS part): the
// CMS-data issue report, each issue with its URL, kind, details and the
// tool that fixes it, and a count per kind.
func ListIssues(service func() *classes.Service) http.HandlerFunc {
	return manage(service, func(ctx context.Context, svc *classes.Service, r *http.Request) (int, any, error) {
		issues, err := svc.Issues(ctx)
		if err != nil {
			return 0, nil, err
		}
		kind := r.URL.Query().Get("kind")
		counts := map[string]int{}
		out := make([]classes.Issue, 0, len(issues))
		for _, issue := range issues {
			counts[issue.Kind]++
			if kind == "" || issue.Kind == kind {
				out = append(out, issue)
			}
		}
		return http.StatusOK, map[string]any{"data": out, "counts": counts, "total": len(out)}, nil
	})
}