package main

import (
	"context"

	"github.com/a-h/templ"

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

// wrap adapts a templ-returning render function to templates.TemplateFunc.
func wrap(f func(ctx context.Context, doc map[string]any) templ.Component) templates.TemplateFunc {
	return func(ctx context.Context, doc map[string]any) templates.HTMLComponent {
		return f(ctx, doc)
	}
}

// Register is the plugin entry point that registers the Magazine Bold system
// template, page templates, blocks, overrides and email wrapper.
func Register(tr templates.TemplateRegistry, br blocks.BlockRegistry) error {
	tr.RegisterSystemTemplate(templates.SystemTemplateMeta{
		Key:         "magazine-bold",
		Title:       "Magazine Bold",
		Description: "Editorial-print theme with oversized display type, asymmetric grids and rotating color-block accents for fashion, streetwear and culture publications.",
	})

	// Page templates — slots per spec §6 / UAT §3.
	if err := tr.RegisterPageTemplate("magazine-bold", templates.PageTemplateMeta{
		Key:         "default",
		Title:       "Default",
		Description: "Standard editorial page with masthead, asymmetric main, footer colophon.",
		Slots:       []string{"masthead", "main", "colophon"},
	}, wrap(RenderMagazineBold)); err != nil {
		return err
	}

	if err := tr.RegisterPageTemplate("magazine-bold", templates.PageTemplateMeta{
		Key:         "landing",
		Title:       "Issue Landing",
		Description: "Cover-story hero plus issue navigation strip.",
		Slots:       []string{"cover", "secondary", "main", "colophon"},
	}, wrap(RenderMagazineBoldLanding)); err != nil {
		return err
	}

	if err := tr.RegisterPageTemplate("magazine-bold", templates.PageTemplateMeta{
		Key:         "article",
		Title:       "Article / Feature",
		Description: "Long-form feature with deck, byline rail and pull-quote gutter.",
		Slots:       []string{"masthead", "deck", "main", "colophon"},
	}, wrap(RenderMagazineBoldArticle)); err != nil {
		return err
	}

	if err := tr.RegisterPageTemplate("magazine-bold", templates.PageTemplateMeta{
		Key:         "full-width",
		Title:       "Full Bleed",
		Description: "Edge-to-edge photo-essay layout.",
		Slots:       []string{"masthead", "main", "colophon"},
	}, wrap(RenderMagazineBoldFullWidth)); err != nil {
		return err
	}

	// Schemas BEFORE blocks (per UAT §3).
	if err := br.LoadSchemasFromFS(Schemas()); err != nil {
		return err
	}

	// Theme blocks.
	br.Register(MastheadBlockMeta, MastheadBlock)
	br.Register(CoverStoryBlockMeta, CoverStoryBlock)
	br.Register(PhotoEssayBlockMeta, PhotoEssayBlock)
	br.Register(PullQuoteBlockMeta, PullQuoteBlock)
	br.Register(IssueArchiveBlockMeta, IssueArchiveBlock)
	br.Register(ColophonBlockMeta, ColophonBlock)

	// Built-in overrides — only active when this theme is selected.
	br.RegisterTemplateOverride("magazine-bold", "heading", HeadingOverrideBlock)
	br.RegisterTemplateOverride("magazine-bold", "text", TextOverrideBlock)
	br.RegisterTemplateOverride("magazine-bold", "image", ImageOverrideBlock)
	br.RegisterTemplateOverride("magazine-bold", "button", ButtonOverrideBlock)

	// Branded email wrapper.
	tr.RegisterEmailWrapper("magazine-bold", MagazineBoldEmailWrapper)

	return nil
}

// DefaultMasterPages returns the default master pages Magazine Bold seeds.
func DefaultMasterPages() []plugin.MasterPageDefinition {
	return []plugin.MasterPageDefinition{
		{
			Key:           "magazine-bold:default-master",
			Title:         "Magazine Bold — Default",
			PageTemplates: []string{"default", "article"},
			Blocks: []plugin.MasterPageBlock{
				{
					BlockKey:  "navbar",
					Title:     "Masthead Nav",
					Content:   map[string]any{"menuName": "main"},
					Slot:      "masthead",
					SortOrder: 0,
				},
				{
					BlockKey:  "magazine-bold:masthead",
					Title:     "Issue Masthead",
					Content:   map[string]any{"issueNo": "01", "tagline": "Vol. 1 / Spring"},
					Slot:      "masthead",
					SortOrder: 1,
				},
				{
					BlockKey:  "slot",
					Title:     "Main Slot",
					Content:   map[string]any{"slotName": "main"},
					Slot:      "main",
					SortOrder: 0,
				},
				{
					BlockKey:  "magazine-bold:colophon",
					Title:     "Colophon",
					Content:   map[string]any{"showSocial": "true"},
					Slot:      "colophon",
					SortOrder: 0,
				},
			},
		},
		{
			Key:           "magazine-bold:landing-master",
			Title:         "Magazine Bold — Issue Landing",
			PageTemplates: []string{"landing", "full-width"},
			Blocks: []plugin.MasterPageBlock{
				{
					BlockKey:  "navbar",
					Title:     "Masthead Nav",
					Content:   map[string]any{"menuName": "main"},
					Slot:      "masthead",
					SortOrder: 0,
				},
				{
					BlockKey:  "magazine-bold:cover_story",
					Title:     "Cover Story",
					Content:   map[string]any{"issueNo": "01"},
					Slot:      "cover",
					SortOrder: 0,
				},
				{
					BlockKey:  "magazine-bold:issue_archive",
					Title:     "Issue Archive",
					Content:   map[string]any{"bucketSlug": "issues"},
					Slot:      "secondary",
					SortOrder: 0,
				},
				{
					BlockKey:  "slot",
					Title:     "Main Slot",
					Content:   map[string]any{"slotName": "main"},
					Slot:      "main",
					SortOrder: 0,
				},
				{
					BlockKey:  "magazine-bold:colophon",
					Title:     "Colophon",
					Content:   map[string]any{"showSocial": "true"},
					Slot:      "colophon",
					SortOrder: 0,
				},
			},
		},
	}
}