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.
// templ.Component already implements templates.HTMLComponent via Render.
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 Earthen system template,
// four page templates, six theme blocks, five overrides, and the email wrapper.
func Register(tr templates.TemplateRegistry, br blocks.BlockRegistry) error {
	tr.RegisterSystemTemplate(templates.SystemTemplateMeta{
		Key:         "earthen",
		Title:       "Earthen",
		Description: "Botanical nonprofit theme in moss, clay, sage and cream",
	})

	if err := tr.RegisterPageTemplate("earthen", templates.PageTemplateMeta{
		Key:         "default",
		Title:       "Default",
		Description: "Standard nonprofit page with header, main and footer",
		Slots:       []string{"header", "main", "footer"},
	}, wrap(RenderEarthenDefault)); err != nil {
		return err
	}

	if err := tr.RegisterPageTemplate("earthen", templates.PageTemplateMeta{
		Key:         "landing",
		Title:       "Landing",
		Description: "Mission hero plus CTA bands for campaigns and donation drives",
		Slots:       []string{"hero", "main", "cta", "footer"},
	}, wrap(RenderEarthenLanding)); err != nil {
		return err
	}

	if err := tr.RegisterPageTemplate("earthen", templates.PageTemplateMeta{
		Key:         "article",
		Title:       "Article",
		Description: "Long-form storytelling with byline rail",
		Slots:       []string{"header", "lede", "main", "aside", "footer"},
	}, wrap(RenderEarthenArticle)); err != nil {
		return err
	}

	if err := tr.RegisterPageTemplate("earthen", templates.PageTemplateMeta{
		Key:         "full-width",
		Title:       "Full Width",
		Description: "Edge-to-edge imagery for reports and galleries",
		Slots:       []string{"header", "main", "footer"},
	}, wrap(RenderEarthenFullWidth)); err != nil {
		return err
	}

	if err := br.LoadSchemasFromFS(Schemas()); err != nil {
		return err
	}

	br.Register(DonationCTABlockMeta, DonationCTABlock)
	br.Register(ImpactMetricsBlockMeta, ImpactMetricsBlock)
	br.Register(PartnerLogosBlockMeta, PartnerLogosBlock)
	br.Register(FieldNoteBlockMeta, FieldNoteBlock)
	br.Register(BotanicalDividerBlockMeta, BotanicalDividerBlock)
	br.Register(FooterBlockMeta, FooterBlock)

	br.RegisterTemplateOverride("earthen", "heading", EarthenHeadingBlock)
	br.RegisterTemplateOverride("earthen", "text", EarthenTextBlock)
	br.RegisterTemplateOverride("earthen", "button", EarthenButtonBlock)
	br.RegisterTemplateOverride("earthen", "image", EarthenImageBlock)
	br.RegisterTemplateOverride("earthen", "card", EarthenCardBlock)

	tr.RegisterEmailWrapper("earthen", EarthenEmailWrapper)

	return nil
}

// DefaultMasterPages returns the default master pages that Earthen provisions
// on first plugin load.
func DefaultMasterPages() []plugin.MasterPageDefinition {
	return []plugin.MasterPageDefinition{
		{
			Key:           "earthen:default-master",
			Title:         "Earthen Default Master",
			PageTemplates: []string{"default", "article"},
			Blocks: []plugin.MasterPageBlock{
				{
					BlockKey:  "navbar",
					Title:     "Main Navigation",
					Content:   map[string]any{"menuName": "main"},
					Slot:      "header",
					SortOrder: 0,
				},
				{
					BlockKey:  "slot",
					Title:     "Main Content",
					Content:   map[string]any{"slotName": "main"},
					Slot:      "main",
					SortOrder: 0,
				},
				{
					BlockKey: "earthen:donation_cta",
					Title:    "Donation Rail",
					Content: map[string]any{
						"amounts":  []any{25.0, 50.0, 100.0},
						"headline": "Plant the next acre.",
					},
					Slot:      "main",
					SortOrder: 100,
				},
				{
					BlockKey: "earthen:footer",
					Title:    "Site Footer",
					Content: map[string]any{
						"showNewsletter": true,
						"tagline":        "Rooted in place.",
					},
					Slot:      "footer",
					SortOrder: 0,
				},
			},
		},
		{
			Key:           "earthen:landing-master",
			Title:         "Earthen Landing Master",
			PageTemplates: []string{"landing", "full-width"},
			Blocks: []plugin.MasterPageBlock{
				{
					BlockKey:  "navbar",
					Title:     "Main Navigation",
					Content:   map[string]any{"menuName": "main"},
					Slot:      "hero",
					SortOrder: 0,
				},
				{
					BlockKey:  "slot",
					Title:     "Hero Slot",
					Content:   map[string]any{"slotName": "hero"},
					Slot:      "hero",
					SortOrder: 10,
				},
				{
					BlockKey:  "slot",
					Title:     "Main Slot",
					Content:   map[string]any{"slotName": "main"},
					Slot:      "main",
					SortOrder: 0,
				},
				{
					BlockKey: "earthen:donation_cta",
					Title:    "Donation CTA",
					Content: map[string]any{
						"amounts": []any{25.0, 50.0, 100.0, 250.0},
					},
					Slot:      "cta",
					SortOrder: 0,
				},
				{
					BlockKey: "earthen:footer",
					Title:    "Footer",
					Content: map[string]any{
						"showNewsletter": true,
					},
					Slot:      "footer",
					SortOrder: 0,
				},
			},
		},
	}
}