File size: 6,496 Bytes
343eed9
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
use crate::error::{GeneratorError, Result};
use serde::{Deserialize, Serialize};
use std::path::Path;

#[derive(Debug, Clone)]
pub struct ApiRouterGenerator {
    pub router_url: String,
    pub api_secret: String,
    pub openrouter_api_key: Option<String>,
}

#[derive(Debug, Serialize)]
struct ImageRequest {
    prompt: String,
    model: String,
}

#[derive(Debug, Deserialize)]
struct ImageResponse {
    statut: String,
    donnees: Option<ImageData>,
}

#[derive(Debug, Deserialize)]
struct ImageData {
    #[serde(rename = "imageUrl")]
    image_url: Option<String>,
}

impl ApiRouterGenerator {
    pub fn new(router_url: String, api_secret: String, openrouter_api_key: Option<String>) -> Self {
        Self {
            router_url,
            api_secret,
            openrouter_api_key,
        }
    }

    async fn download_image(&self, url: &str, output_path: &Path) -> Result<bool> {
        let response = reqwest::get(url)
            .await
            .map_err(GeneratorError::RequestError)?;

        let bytes = response.bytes().await.map_err(GeneratorError::RequestError)?;
        std::fs::write(output_path, bytes)?;
        Ok(true)
    }

    pub async fn generate(
        &self,
        prompt: &str,
        output_path: &Path,
        scene_index: usize,
        is_last: bool,
    ) -> Result<bool> {
        let horror_hook = if scene_index == 1 {
            "SHOCKING HORROR: terrified face or lunging monster, "
        } else {
            ""
        };

        let branding = if is_last {
            " with 'Darkmedia-X' branding text visible"
        } else {
            ""
        };

        let styled_prompt = format!(
            "Dark Anime Horror, {}{}{branding}. 9:16 ratio, ink-wash, high resolution.",
            horror_hook, prompt
        );

        let payload = ImageRequest {
            prompt: styled_prompt,
            model: "openai/dall-e-3".to_string(),
        };

        let client = reqwest::Client::new();
        let url = format!("{}/api/image", self.router_url.trim_end_matches('/'));

        let response = client
            .post(&url)
            .header("Authorization", format!("Bearer {}", self.api_secret))
            .header("Content-Type", "application/json")
            .json(&payload)
            .timeout(std::time::Duration::from_secs(45))
            .send()
            .await;

        match response {
            Ok(resp) => {
                let status = resp.status();

                if status == 404 {
                    eprintln!("      [WARN] Router 404 — fallback direct");
                    return self.fallback_direct(prompt, output_path, is_last).await;
                }

                if !status.is_success() {
                    eprintln!("      [WARN] Router returned status {} — fallback direct", status);
                    return self.fallback_direct(prompt, output_path, is_last).await;
                }

                if let Ok(data) = resp.json::<ImageResponse>().await {
                    if data.statut == "actif" {
                        if let Some(image_data) = data.donnees {
                            if let Some(img_url) = image_data.image_url {
                                return self.download_image(&img_url, output_path).await;
                            }
                        }
                    }
                }
                Ok(false)
            }
            Err(e) => {
                eprintln!("      [WARN] Router inaccessible — fallback direct: {}", e);
                self.fallback_direct(prompt, output_path, is_last).await
            }
        }
    }

    async fn fallback_direct(&self, prompt: &str, output_path: &Path, is_last: bool) -> Result<bool> {
        let api_key = self.openrouter_api_key.as_ref()
            .ok_or_else(|| GeneratorError::ApiError("OPENROUTER_API_KEY not configured".to_string()))?;

        let branding = if is_last {
            " with 'Darkmedia-X' branding text visible"
        } else {
            ""
        };

        let styled_prompt = format!(
            "Dark Anime Cinematic Horror Style: {}{branding}. High resolution, 9:16 vertical ratio, ink-wash textures, moody lighting.",
            prompt
        );

        let client = reqwest::Client::new();

        #[derive(Serialize)]
        struct OpenRouterRequest {
            model: String,
            prompt: String,
            n: usize,
            size: String,
        }

        let payload = OpenRouterRequest {
            model: "openai/dall-e-3".to_string(),
            prompt: styled_prompt,
            n: 1,
            size: "1024x1792".to_string(),
        };

        let response = client
            .post("https://openrouter.ai/api/v1/images/generations")
            .header("Authorization", format!("Bearer {}", api_key))
            .json(&payload)
            .timeout(std::time::Duration::from_secs(120))
            .send()
            .await?;

        if !response.status().is_success() {
            eprintln!("         🔴 OpenRouter error: {} status", response.status());
            if let Ok(text) = response.text().await {
                eprintln!("            Response: {}", &text[..std::cmp::min(200, text.len())]);
            }
            return Err(GeneratorError::ApiError("OpenRouter API error".to_string()));
        }

        #[derive(Deserialize)]
        struct OpenRouterResponse {
            data: Vec<OpenRouterImage>,
        }

        #[derive(Deserialize)]
        struct OpenRouterImage {
            url: String,
        }

        match response.json::<OpenRouterResponse>().await {
            Ok(data) => {
                if let Some(img) = data.data.first() {
                    return self.download_image(&img.url, output_path).await;
                }
                Ok(false)
            }
            Err(e) => {
                eprintln!("         🔴 OpenRouter JSON error: {}", e);
                Err(e.into())
            }
        }
    }
}

#[cfg(test)]
mod tests {
    use super::*;

    #[test]
    fn test_api_router_new() {
        let generator = ApiRouterGenerator::new(
            "http://localhost:8080".to_string(),
            "secret".to_string(),
            Some("openrouter_key".to_string()),
        );
        assert_eq!(generator.router_url, "http://localhost:8080");
        assert_eq!(generator.api_secret, "secret");
        assert_eq!(generator.openrouter_api_key, Some("openrouter_key".to_string()));
    }
}