package core

import (
	"testing"
	"time"
)

func TestActionCreate(t *testing.T) {
	db := EphemeralDb(t)

	if err := AddAction(db, "test", "hello", []string{"echo", "hello"}); err == nil {
		t.Fatal("Action created for nonexistent source")
	}

	if err := AddSource(db, "test"); err != nil {
		t.Fatal(err)
	}

	if err := AddAction(db, "test", "hello", []string{"echo", "hello"}); err != nil {
		t.Fatal(err)
	}
	if err := AddAction(db, "test", "goodbye", []string{"exit", "1"}); err != nil {
		t.Fatal(err)
	}
	if err := UpdateAction(db, "test", "goodbye", []string{"echo", "goodbye"}); err != nil {
		t.Fatal(err)
	}

	actions, err := GetActionsForSource(db, "test")
	if err != nil {
		t.Fatal(err)
	}
	if len(actions) != 2 {
		t.Fatal("expected 2 actions")
	}
	found := make(map[string]bool)
	for _, action := range actions {
		found[action] = true
	}
	if !found["hello"] || !found["goodbye"] {
		t.Fatalf("missing hello and/or goodbye, got: %v", actions)
	}

	argv, err := GetArgvForAction(db, "test", "goodbye")
	if err != nil {
		t.Fatal(err)
	}
	if len(argv) != 2 || argv[0] != "echo" || argv[1] != "goodbye" {
		t.Fatalf("expected [echo goodbye], got: %v", argv)
	}

	err = DeleteAction(db, "test", "hello")
	if err != nil {
		t.Fatal(err)
	}
}

func TestExecute(t *testing.T) {
	assertLen := func(items []Item, length int) {
		if len(items) != length {
			t.Fatalf("Expected %d items, got %d", length, len(items))
		}
	}
	assertNil := func(err error) {
		if err != nil {
			t.Fatal(err)
		}
	}
	assertNotNil := func(err error) {
		if err == nil {
			t.Fatal("expected err")
		}
	}
	execute := func(argv []string) ([]Item, error) {
		return Execute("", argv, nil, "", time.Minute)
	}

	res, err := execute([]string{"true"})
	assertNil(err)
	assertLen(res, 0)

	// Exit with error code
	res, err = execute([]string{"false"})
	assertNotNil(err)
	assertLen(res, 0)

	res, err = execute([]string{"sh", "-c", "exit 22"})
	assertNotNil(err)
	assertLen(res, 0)

	// Timeout
	res, err = Execute("", []string{"sleep", "10"}, nil, "", time.Millisecond)
	assertNotNil(err)
	assertLen(res, 0)

	// Returning items
	res, err = execute([]string{"jq", "-cn", `{id: "foo"}`})
	assertNil(err)
	assertLen(res, 1)
	if res[0].Id != "foo" {
		t.Fatal("jq -cn test failed")
	}

	// Read from stdin
	res, err = Execute("", []string{"jq", "-cR", `{id: .}`}, nil, "bar", time.Minute)
	assertNil(err)
	assertLen(res, 1)
	if res[0].Id != "bar" {
		t.Fatal("jq -cR test failed")
	}

	// Set env
	res, err = Execute("", []string{"jq", "-cn", `{id: env.HELLO}`}, []string{"HELLO=baz"}, "", time.Minute)
	assertNil(err)
	assertLen(res, 1)
	if res[0].Id != "baz" {
		t.Fatal("jq -cn env test failed")
	}

	// With logging on stderr
	res, err = execute([]string{"sh", "-c", `echo 1>&2 Hello; jq -cn '{id: "box"}'; echo 1>&2 World`})
	assertNil(err)
	assertLen(res, 1)
	if res[0].Id != "box" {
		t.Fatal("stderr test failed")
	}

	// Unsupported item field is silently discarded
	res, err = execute([]string{"jq", "-cn", `{id: "test", unknownField: "what is this"}`})
	assertNil(err)
	assertLen(res, 1)

	// Field with incorrect type fails
	res, err = execute([]string{"jq", "-cn", `{id: ["list"]}`})
	assertNotNil(err)
	assertLen(res, 0)

	res, err = execute([]string{"jq", "-cn", `{id: "test", time: "0"}`})
	assertNotNil(err)
	assertLen(res, 0)

	res, err = execute([]string{"jq", "-cn", `{id: null}`})
	assertNotNil(err)
	assertLen(res, 0)

	// Items with duplicate ids is not a fetch error, but it will fail to update
	res, err = execute([]string{"jq", "-cn", `["a", "a"] | .[] | {id: .}`})
	assertNil(err)
	assertLen(res, 2)
}