<template>
    <Drawer v-model:visible="$appState.designerActive" header="Theme Designer" position="right" class="designer !w-screen md:!w-[48rem]" :modal="false">
        <Tabs value="0">
            <TabList>
                <Tab value="0">Primitive</Tab>
                <Tab value="1">Semantic</Tab>
                <Tab value="2">Component</Tab>
            </TabList>
            <TabPanels class="!px-0">
                <TabPanel value="0">
                    <div class="flex flex-col gap-3">
                        <DesignBorderRadius />
                        <DesignColors />
                    </div>
                </TabPanel>
                <TabPanel value="1">
                    <Accordion :value="['0', '1']" multiple>
                        <AccordionPanel value="0">
                            <AccordionHeader>Common</AccordionHeader>
                            <AccordionContent>
                                <div class="flex flex-col gap-3">
                                    <DesignGeneral />
                                    <DesignFormField />
                                    <DesignList />
                                    <DesignNavigation />
                                    <DesignOverlay />
                                </div>
                            </AccordionContent>
                        </AccordionPanel>

                        <AccordionPanel value="1">
                            <AccordionHeader>Color Scheme</AccordionHeader>
                            <AccordionContent>
                                <Tabs value="cs-0">
                                    <TabList>
                                        <Tab value="cs-0">Light</Tab>
                                        <Tab value="cs-1">Dark</Tab>
                                    </TabList>
                                    <TabPanels class="!px-0">
                                        <TabPanel value="cs-0">
                                            <DesignCS :value="preset.semantic.colorScheme.light" />
                                        </TabPanel>
                                        <TabPanel value="cs-1">
                                            <DesignCS :value="preset.semantic.colorScheme.dark" />
                                        </TabPanel>
                                    </TabPanels>
                                </Tabs>
                            </AccordionContent>
                        </AccordionPanel>
                    </Accordion>
                </TabPanel>
                <TabPanel value="2"> <div class="p-4">Component tokens are not supported by the Visual Editor at the moment.</div></TabPanel>
            </TabPanels>
        </Tabs>

        <template #footer>
            <div class="flex justify-between gap-2">
                <Button type="button" @click="download" label="Download" variant="outlined" icon="pi pi-download" />
                <Button type="button" @click="apply" label="Apply" />
            </div>
        </template>
    </Drawer>
</template>

<script>
import { updatePreset } from '@primevue/themes';
import AuraBase from '@primevue/themes/aura/base';

export default {
    provide() {
        return {
            $preset: this.preset
        };
    },
    data() {
        return {
            preset: AuraBase
        };
    },
    mounted() {
        this.preset.semantic.primary = this.preset.primitive.emerald;
        this.preset.semantic.colorScheme.light.surface = this.preset.primitive.slate;
        this.preset.semantic.colorScheme.dark.surface = this.preset.primitive.zinc;
    },
    methods: {
        apply() {
            updatePreset(this.preset);
        },
        download() {
            const theme = JSON.stringify(this.preset, null, 4).replace(/"([^"]+)":/g, '$1:');
            const textContent = `import { createApp } from "vue";
import PrimeVue from "primevue/config";
import Aura from "@primevue/themes/aura";
import { definePreset } from "@primevue/themes";

const app = createApp(App);

const MyPreset = definePreset(Aura, ${theme});

app.use(PrimeVue, {
    theme: {
        preset: MyPreset
    },
});
app.mount("#app");
`;
            const blob = new Blob([textContent], { type: 'text/plain' });

            const url = URL.createObjectURL(blob);

            const a = document.createElement('a');

            a.href = url;
            a.download = 'mytheme.js';
            document.body.appendChild(a);
            a.click();

            document.body.removeChild(a);
            URL.revokeObjectURL(url);
        }
    }
};
</script>
