package gitea

import (
	"errors"

	"code.gitea.io/sdk/gitea"

	"code.icb4dc0.de/prskr/nitter/nitters"
)

var (
	ErrMissingBaseAddress = errors.New("API base address is required")
	ErrMissingToken       = errors.New("API token is required")
	ErrMissingPRIndex     = errors.New("PR index is required")
)

type GiteaConfig struct {
	nitters.Config `mapstructure:",squash"`
	BaseAddress    string `mapstructure:"base-address"`
	Token          string `mapstructure:"token"`
}

func (gc GiteaConfig) Validate() error {
	if err := gc.Config.Validate(); err != nil {
		return err
	}

	if gc.BaseAddress == "" {
		return ErrMissingBaseAddress
	}

	if gc.Token == "" {
		return ErrMissingToken
	}

	return nil
}

type GiteaPRConfig struct {
	GiteaConfig `mapstructure:",squash"`
	PRIndex     int64                 `mapstructure:"pull-index"`
	ReviewState gitea.ReviewStateType `mapstructure:"review-state"`
}

func (gpc GiteaPRConfig) Validate() error {
	if err := gpc.GiteaConfig.Validate(); err != nil {
		return err
	}

	if gpc.PRIndex < 0 {
		return ErrMissingPRIndex
	}

	return nil
}

type GiteaPRLintConfig struct {
	GiteaPRConfig `mapstructure:",squash"`
	FromPRBase    bool     `mapstructure:"from-pr-base"`
	ExtraArgs     []string `mapstructure:"golangci-lint-extra-args"`
}

func (gpc GiteaPRLintConfig) Validate() error {
	return gpc.GiteaPRConfig.Validate()
}