package main

import (
	"bytes"
	"context"

	"git.dev.alexdunmow.com/block/core/blocks"
)

// CaseStudyBlockMeta defines the Noir long-form project case study block.
var CaseStudyBlockMeta = blocks.BlockMeta{
	Key:         "case_study",
	Title:       "Project Case Study",
	Description: "Long-form project spread with sticky meta rail and image-led prose.",
	Source:      "noir",
	Category:    blocks.CategoryLayout,
}

// CaseStudyBlock renders a project case study.
// Content shape: {"title":"...","client":"...","year":2025,"credits":["...","..."],"images":["...","..."]}
func CaseStudyBlock(ctx context.Context, content map[string]any) string {
	data := CaseStudyData{
		Title:   getString(content, "title"),
		Client:  getString(content, "client"),
		Year:    getInt(content, "year", 0),
		Credits: getStringSlice(content, "credits"),
	}

	for _, img := range getStringSlice(content, "images") {
		if img == "" {
			continue
		}
		data.Images = append(data.Images, blocks.ResolveMediaPath(img))
	}

	var buf bytes.Buffer
	_ = caseStudyComponent(data).Render(ctx, &buf)
	return buf.String()
}

// CaseStudyData holds the parsed view-model for the case study block.
type CaseStudyData struct {
	Title   string
	Client  string
	Year    int
	Credits []string
	Images  []string
}