package contracts

import (
	"bytes"
	"encoding/json"
	"testing"

	"github.com/santhosh-tekuri/jsonschema/v6"
)

func TestTaskTrunkConcurrencySchema(t *testing.T) {
	schema, err := CompileCurrent("http-task-detail.schema.json")
	if err != nil {
		t.Fatal(err)
	}
	fixture, err := Files.ReadFile("schema/examples/config-read-task-asr.json")
	if err != nil {
		t.Fatal(err)
	}
	for _, tc := range []struct {
		name  string
		value string
		valid bool
	}{
		{"multiple lines", `[{"trunk_id":"12","concurrency":5},{"trunk_id":"15","concurrency":5}]`, true},
		{"zero concurrency", `[{"trunk_id":"12","concurrency":0}]`, true},
		{"old string array", `["12","15"]`, false},
		{"empty array", `[]`, false},
		{"missing trunk ID", `[{"concurrency":5}]`, false},
		{"empty trunk ID", `[{"trunk_id":"","concurrency":5}]`, false},
		{"numeric trunk ID", `[{"trunk_id":12,"concurrency":5}]`, false},
		{"missing concurrency", `[{"trunk_id":"12"}]`, false},
		{"negative concurrency", `[{"trunk_id":"12","concurrency":-1}]`, false},
		{"fractional concurrency", `[{"trunk_id":"12","concurrency":1.5}]`, false},
		{"string concurrency", `[{"trunk_id":"12","concurrency":"5"}]`, false},
		{"null concurrency", `[{"trunk_id":"12","concurrency":null}]`, false},
		{"boolean concurrency", `[{"trunk_id":"12","concurrency":false}]`, false},
		{"unknown property", `[{"trunk_id":"12","concurrency":5,"unknown":true}]`, false},
		{"duplicate entry", `[{"trunk_id":"12","concurrency":5},{"trunk_id":"12","concurrency":5}]`, false},
		{"null entry", `[null]`, false},
		{"null array", `null`, false},
	} {
		t.Run(tc.name, func(t *testing.T) {
			var doc map[string]json.RawMessage
			if err := json.Unmarshal(fixture, &doc); err != nil {
				t.Fatal(err)
			}
			doc["allowed_trunk_ids"] = json.RawMessage(tc.value)
			data, err := json.Marshal(doc)
			if err != nil {
				t.Fatal(err)
			}
			instance, err := jsonschema.UnmarshalJSON(bytes.NewReader(data))
			if err != nil {
				t.Fatal(err)
			}
			if err := schema.Validate(instance); (err == nil) != tc.valid {
				t.Fatalf("valid=%t, want %t: %v", err == nil, tc.valid, err)
			}
		})
	}
}