package briefing

import (
	"embed"
	"encoding/json"
	"fmt"
	"strings"
)

//go:embed assets/spc_convective_outlook_definitions.json
var spcConvectiveOutlookDefinitionAssets embed.FS

var spcOutlookBackgroundDefinitions = mustLoadSPCOutlookBackgroundDefinitions()

func mustLoadSPCOutlookBackgroundDefinitions() map[string]SPCOutlookBackgroundDefinition {
	data, err := spcConvectiveOutlookDefinitionAssets.ReadFile("assets/spc_convective_outlook_definitions.json")
	if err != nil {
		panic(fmt.Sprintf("read embedded SPC outlook definitions: %v", err))
	}
	var definitions map[string]SPCOutlookBackgroundDefinition
	if err := json.Unmarshal(data, &definitions); err != nil {
		panic(fmt.Sprintf("decode embedded SPC outlook definitions: %v", err))
	}
	return definitions
}

func spcOutlookBackgroundDefinition(outlookType string, label string) *SPCOutlookBackgroundDefinition {
	definition, ok := spcOutlookBackgroundDefinitions[spcOutlookDefinitionKey(outlookType, label)]
	if !ok {
		return nil
	}
	return &definition
}

func spcOutlookDefinitionKey(outlookType string, label string) string {
	return strings.ToLower(strings.TrimSpace(outlookType)) + ":" + strings.ToUpper(strings.TrimSpace(label))
}